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values | title stringlengths 15 214 | text stringlengths 70 30.5k | url stringlengths 57 160 | tags stringlengths 3 113 | created_at int64 1.22B 1.79B |
|---|---|---|---|---|---|---|---|
se_63814704 | stackoverflow | DATA_SCIENCE | Keep getting this error using numpy.piecewise to get segmented linear regression | Keep getting this error using numpy.piecewise to get segmented linear regression
I have a very large datafile, where x= time and y= distance. I would like to figure out what the speed is in different segments. Ideally, I would like Python to calculate the segments and the corresponding linear regression functions. I g... | https://stackoverflow.com/questions/63814704/keep-getting-this-error-using-numpy-piecewise-to-get-segmented-linear-regression | python, numpy, scipy, data-analysis, piecewise | 1,599,664,736 |
se_40427943 | stackoverflow | DATA_SCIENCE | How do I change a single index value in pandas dataframe? | How do I change a single index value in pandas dataframe?
energy.loc['Republic of Korea']
I want to change the value of index from 'Republic of Korea' to 'South Korea'.
But the dataframe is too large and it is not possible to change every index value. How do I change only this single value? | https://stackoverflow.com/questions/40427943/how-do-i-change-a-single-index-value-in-pandas-dataframe | python, pandas, data-analysis | 1,478,278,204 |
se_58306943 | stackoverflow | DATA_SCIENCE | What do the data analytics data set train and test variables represent? | What do the data analytics data set train and test variables represent?
Within the below code there are a few variables I'm confused about:
import numpy as np
import pandas as pd
import matplotlib.pyplot as plt
from sklearn import svm,metrics,datasets
train_data=np.zeros((280,10304))
train_target=np.zeros((280))
t... | https://stackoverflow.com/questions/58306943/what-do-the-data-analytics-data-set-train-and-test-variables-represent | scikit-learn, svm, data-analysis | 1,570,632,887 |
se_79975201 | stackoverflow | DATA_SCIENCE | Which approaches should be used for monthly demand forecasting with few observations per product? | Which approaches should be used for monthly demand forecasting with few observations per product?
community. How are you?
I am a junior data analyst and I am working on a demand/revenue forecasting project for a factory.
The goal of the project is to forecast, on a monthly basis, the number of units sold/invoiced per ... | https://stackoverflow.com/questions/79975201/which-approaches-should-be-used-for-monthly-demand-forecasting-with-few-observat | python, pandas, machine-learning, data-analysis | 1,783,364,873 |
se_31277247 | stackoverflow | DATA_SCIENCE | R Decile percentage plotting | R Decile percentage plotting
I have a data frame from a home income poll that looks like this:
ID Income Expense
001 2389.9 1400.5
003 5499.3 2309.2
.. .. ..
*this is an example, the actual one has over 5k observations
I would like to be able to:
Plot the decile distribu... | https://stackoverflow.com/questions/31277247/r-decile-percentage-plotting | r, ggplot2, statistics, bigdata, data-analysis | 1,436,295,928 |
se_79953132 | stackoverflow | DATA_SCIENCE | Utilizing SQL for Data analysis | Utilizing SQL for Data analysis
Looking to further my learning in SQL - I want to have a structured learning daily regimen in the field of data analysis. I am looking to gain knowledge and understanding from a more experienced Data Analyst on how to better approach work and understanding in this field of work. | https://stackoverflow.com/questions/79953132/utilizing-sql-for-data-analysis | sql, data-analysis | 1,780,938,932 |
se_79924471 | stackoverflow | DATA_SCIENCE | RTOS connection with analytics | RTOS connection with analytics
My data in firebase is getting updated by nodered and is being shown in firebase realtime database.Its has temperature,pressure,humidity.I want to analyze in firebase itself using Google analytics.Can I do in firebase app | https://stackoverflow.com/questions/79924471/rtos-connection-with-analytics | google-analytics, data-analysis | 1,776,021,803 |
se_79963548 | stackoverflow | DATA_SCIENCE | Best practices for SQL Beginner | Best practices for SQL Beginner
What are the best practices that saved you time when you started Data science / Data analysis for the first time?
I want to learn for the first time and don't know how to start and what are the first steps?
I have a small background in Excel only. | https://stackoverflow.com/questions/79963548/best-practices-for-sql-beginner | sql, data-analysis | 1,781,963,749 |
se_79939330 | stackoverflow | DATA_SCIENCE | Issue with Conversational Analytics integration in Looker Studio (Data Studio) | Issue with Conversational Analytics integration in Looker Studio (Data Studio)
I am experiencing an issue with the Conversational Analytics tool. Unfortunately, no available agents are appearing in Looker Studio/Data Studio, even though I have a properly configured agent in the Google Cloud Console.
The agent has been... | https://stackoverflow.com/questions/79939330/issue-with-conversational-analytics-integration-in-looker-studio-data-studio | artificial-intelligence, data-analysis | 1,778,499,848 |
se_79925710 | stackoverflow | DATA_SCIENCE | Adjusting Titles to reflect a change in numerical data | Adjusting Titles to reflect a change in numerical data
Ok so there's no easy way to title this to get the information I really want to get at. But I feel like the longer winded explanation is fairly simple.
So I'm in a programming for data science class (so extremely new to programming, very base level) and working w... | https://stackoverflow.com/questions/79925710/adjusting-titles-to-reflect-a-change-in-numerical-data | python, dataframe, data-science, data-analysis | 1,776,214,099 |
se_75533763 | stackoverflow | DATA_SCIENCE | How can I check is null in dax? | How can I check is null in dax?
Blank and Null are equal in DAX?
How can I just check ISNULL IN DAX? Not ISNULL OR ISBLANK CONDITION | https://stackoverflow.com/questions/75533763/how-can-i-check-is-null-in-dax | powerbi, dax, data-analysis, powerbi-desktop, measure | 1,677,074,301 |
se_79914391 | stackoverflow | DATA_SCIENCE | r2 from wblplot (built-in function) | r2 from wblplot (built-in function)
Using the built-in function wblplot (https://uk.mathworks.com/help/stats/wblplot.html#d126e1264612) to analyse some data.
How do I quantify the goodness of fit (e.g. r^2) of the plot it produces? The data the function is using for (X,Y) seemingly isn't outputted from the function, s... | https://stackoverflow.com/questions/79914391/r2-from-wblplot-built-in-function | matlab, data-analysis | 1,774,454,078 |
se_79912833 | stackoverflow | DATA_SCIENCE | How to remember all SQL codes effectively? | How to remember all SQL codes effectively?
I'm currently taking the Google Data Analytics certificate, and the SQL code is a bit overwhelming. How can I remember them so whenever there is a need for help, I can do the job. Any advice or tips that can help me?Thank you very much! | https://stackoverflow.com/questions/79912833/how-to-remember-all-sql-codes-effectively | google-bigquery, data-analysis | 1,774,274,007 |
se_17141558 | stackoverflow | DATA_SCIENCE | How to sort a pandas dataFrame by two or more columns? | How to sort a pandas dataFrame by two or more columns?
Suppose I have a dataframe with columns a, b and c. I want to sort the dataframe by column b in ascending order, and by column c in descending order. How do I do this? | https://stackoverflow.com/questions/17141558/how-to-sort-a-pandas-dataframe-by-two-or-more-columns | python, pandas, dataframe, sorting, data-analysis | 1,371,450,527 |
se_79893600 | stackoverflow | DATA_SCIENCE | How does one make a player diagram/visualization like the one below within Python? | How does one make a player diagram/visualization like the one below within Python?
I'm quite the baseball fan, and if you are as well, you've probably seen the X profile of the user Pitcher Profiler creates these awesome post-game reports for players, and one of the visualizations he includes (attached) is something I... | https://stackoverflow.com/questions/79893600/how-does-one-make-a-player-diagram-visualization-like-the-one-below-within-pytho | python, matplotlib, charts, data-analysis | 1,771,688,758 |
se_71255675 | stackoverflow | DATA_SCIENCE | Plotting contours in python in Matplotlib | Plotting contours in python in Matplotlib
I am a beginner for data analysis or analytics,
My question here is, I have grid points (x and y) of a grid or a mesh and I have a corresponding temperature value for every grid point, I have to generate a 2D contour plot of temperature using that data which is present in an ... | https://stackoverflow.com/questions/71255675/plotting-contours-in-python-in-matplotlib | python, data-analysis, contour | 1,645,722,382 |
se_79071731 | stackoverflow | DATA_SCIENCE | How to identify nth row that satisfies condition | How to identify nth row that satisfies condition
I have a dataframe with months and sales. If somebody does 250 sales for 3 consecutive months, they get a bonus.
Once the bonus month is identified, the counter resets and starts to count the next 3 consecutive months with 250
if there is less than 250 sales, then the ... | https://stackoverflow.com/questions/79071731/how-to-identify-nth-row-that-satisfies-condition | python, pandas, dataframe, data-analysis | 1,728,500,892 |
se_79847589 | stackoverflow | DATA_SCIENCE | When should data go to Archive vs Reject in Bronze layer (Medallion Architecture)? | When should data go to Archive vs Reject in Bronze layer (Medallion Architecture)?
Can anybody help with understanding the Archive and Reject folders in bronze layer at Medallion Architecture. Let say i have 4 folders in Bronze namely Raw, Stage, Archive and Reject. At what extent a data can be pushed to Reject folder... | https://stackoverflow.com/questions/79847589/when-should-data-go-to-archive-vs-reject-in-bronze-layer-medallion-architecture | databricks, azure-databricks, data-analysis, data-ingestion, data-engineering | 1,765,795,456 |
se_22583391 | stackoverflow | DATA_SCIENCE | Peak signal detection in realtime timeseries data | Peak signal detection in realtime timeseries data
I am analyzing the following data:
Raw data (separated with spaces):
1 1 1.1 1 0.9 1 1 1.1 1 0.9 1 1.1 1 1 0.9 1 1 1.1 1 1 1 1 1.1 0.9 1 1.1 1 1 0.9 1 1.1 1 1 1.1 1 0.8 0.9 1 1.2 0.9 1 1 1.1 1.2 1 1.5 1 3 2 5 3 2 1 1 1 0.9 1 1 3 2.6 4 3 3.2 2 1 1 0.8 4 4 2 2.5 1 1 1
... | https://stackoverflow.com/questions/22583391/peak-signal-detection-in-realtime-timeseries-data | algorithm, language-agnostic, time-series, signal-processing, data-analysis | 1,395,521,316 |
se_76342295 | stackoverflow | DATA_SCIENCE | How would I populate prior counts for an entity based off of current counts of data that can be filtered by user selected dates in PowerBi? | How would I populate prior counts for an entity based off of current counts of data that can be filtered by user selected dates in PowerBi?
I have been working in power BI for a couple weeks now but have been struggling with getting a DAX query to work the way I need it to for a matrix heatmap I am building. I am work... | https://stackoverflow.com/questions/76342295/how-would-i-populate-prior-counts-for-an-entity-based-off-of-current-counts-of-d | sql, powerbi, dax, data-analysis, reporting | 1,685,115,449 |
se_79839128 | stackoverflow | DATA_SCIENCE | How to handle heteroskedasticity when detecting anomalies using Z-scores on growth rates? | How to handle heteroskedasticity when detecting anomalies using Z-scores on growth rates?
I’m trying to detect anomalies in a dataset using Z-scores based on the logged index change of a value between two time periods: VAL_t0 and VAL_t1.
The issue:
The variance of Z-scores decreases as VAL_t0 increases (see graph). Fo... | https://stackoverflow.com/questions/79839128/how-to-handle-heteroskedasticity-when-detecting-anomalies-using-z-scores-on-grow | r, statistics, data-analysis, outliers, anomaly-detection | 1,764,953,068 |
se_79837011 | stackoverflow | DATA_SCIENCE | Analyze a directory in a performant (cross-platform) way for what file types (file extensions) it (recursively) contains? | Analyze a directory in a performant (cross-platform) way for what file types (file extensions) it (recursively) contains?
Aim
My aim is to analyze a (big) (sub)directory and just find out what file extensions all files have there (recursively).
Additionally, these conditions apply:
I am on Windows, but I could use WS... | https://stackoverflow.com/questions/79837011/analyze-a-directory-in-a-performant-cross-platform-way-for-what-file-types-fi | python, performance, shell, filesystems, data-analysis | 1,764,773,057 |
se_79828864 | stackoverflow | DATA_SCIENCE | Multiple variable/correlation analysis using Python | Multiple variable/correlation analysis using Python
I have a machine with up to 58 indipendent input variables and one response variable. If I create 2D-histogram plots of all combinations of 2 input variables and the response variable, I get plots like these (the more light the color, the stronger is the response):
... | https://stackoverflow.com/questions/79828864/multiple-variable-correlation-analysis-using-python | python, data-analysis | 1,764,000,946 |
se_79817132 | stackoverflow | DATA_SCIENCE | Unable to fetch Accurate Performance Max (PMAX) YouTube Video Metrics via Google Ads Script / BigQuery Transfer | Unable to fetch Accurate Performance Max (PMAX) YouTube Video Metrics via Google Ads Script / BigQuery Transfer
I’m currently working on a task to fetch and display daily Google ADS Manager (GAM) records—such as Cost, ROAS, and other metrics—within a data analysis application. I’ve successfully retrieved data for stan... | https://stackoverflow.com/questions/79817132/unable-to-fetch-accurate-performance-max-pmax-youtube-video-metrics-via-google | google-cloud-platform, google-bigquery, data-analysis, google-ad-manager, google-ads-script | 1,762,896,113 |
se_46549006 | stackoverflow | DATA_SCIENCE | Marketing Channel Flow Map | Marketing Channel Flow Map
I have data on all marketing engagements (links clicked, etc), their 'marketing channel', and their 'engagement position".
Engagement position are the following: first touch [first time they ever engage with us], lead create [when they form-fill and give us enough info], opportunity create ... | https://stackoverflow.com/questions/46549006/marketing-channel-flow-map | r, data-visualization, data-analysis | 1,507,046,995 |
se_40997717 | stackoverflow | DATA_SCIENCE | Dealing with tabular data in Haskell | Dealing with tabular data in Haskell
This is an excerpt of a file.csv file with some tabular data
John,23,Paris
Alban,28,London
Klaus,27,Berlin
Hans,29,Stockholm
Julian,25,Paris
Jonathan,26,Lyon
Albert,27,London
The column headers for this file would be
firstName, age, city
This file is loaded in ghci like this
... | https://stackoverflow.com/questions/40997717/dealing-with-tabular-data-in-haskell | haskell, data-analysis | 1,481,034,532 |
se_79797167 | stackoverflow | DATA_SCIENCE | How to find the correlation between the two most commonly sold items | How to find the correlation between the two most commonly sold items
How to find the correlation between the two most commonly sold items?
I have data of items sold in the supermarket. I want to summarise:
what are the most commonly sold items together?
what is the correlation between the most commonly sold items tog... | https://stackoverflow.com/questions/79797167/how-to-find-the-correlation-between-the-two-most-commonly-sold-items | r, data-analysis | 1,761,160,760 |
se_79787338 | stackoverflow | DATA_SCIENCE | FFT-based quasi-steady detection issue | FFT-based quasi-steady detection issue
I am trying to detect the beginning of a quasi-steady regime in time series data representing drag (Fx) and lift (Fy) forces after an initial transient.
Initially, I used a slope-based method, but it often returned tmin even when the signal was still in the transient phase.
Follo... | https://stackoverflow.com/questions/79787338/fft-based-quasi-steady-detection-issue | python, numpy, time-series, signal-processing, data-analysis | 1,760,098,810 |
se_79786650 | stackoverflow | DATA_SCIENCE | How to prefix a specific series of lines (multiple)? | How to prefix a specific series of lines (multiple)?
I have a text file, which has an inconsistent timestamp format, that I would like to standardize. This is in a transcript from an interview; ultimately for textual analysis.
What command could I run 3x for each set of lines, through Linux terminal?
(1st) 00:0 before... | https://stackoverflow.com/questions/79786650/how-to-prefix-a-specific-series-of-lines-multiple | linux, terminal, timestamp, text-files, data-analysis | 1,760,027,430 |
se_73081631 | stackoverflow | DATA_SCIENCE | Excel Product Categorization in Python | Excel Product Categorization in Python
I'm trying to break up Product names into categories, for example if the product is "Demi Baguette", the category should be "Baguette" and sub category "Demi". I have looked at NLP articles but nothing seems to be what I need as they all focus on sentences and text.
I've seen oth... | https://stackoverflow.com/questions/73081631/excel-product-categorization-in-python | python, excel, machine-learning, data-science, data-analysis | 1,658,498,655 |
se_74226602 | stackoverflow | DATA_SCIENCE | Polars equivalent of pandas expression df.groupby['col1','col2']['col3'].sum().unstack() | Polars equivalent of pandas expression df.groupby['col1','col2']['col3'].sum().unstack()
In Pandas I can do
pandasdf = pd.DataFrame(
{
"A": [1, 2, 3, 4, 5],
"fruits": ["banana", "banana", "apple", "apple", "banana"],
"B": [5, 4, 3, 2, 1],
"cars": ["beetle", "... | https://stackoverflow.com/questions/74226602/polars-equivalent-of-pandas-expression-df-groupbycol1-col2col3-sum-u | python, dataframe, data-analysis, python-polars | 1,666,894,630 |
se_79760652 | stackoverflow | DATA_SCIENCE | Creating a Line graph & Matrix showing % Difference from Previous Year, allowing for a filter on "Country" | Creating a Line graph & Matrix showing % Difference from Previous Year, allowing for a filter on "Country"
I have raw data with columns "Year", "Period", "Country", "Sales Amount". Please note there are 13 periods in a year, (and not 12). The dates also differ slightly between periods each year so I don'... | https://stackoverflow.com/questions/79760652/creating-a-line-graph-matrix-showing-difference-from-previous-year-allowing | powerbi, dax, data-analysis, percentage, difference | 1,757,494,472 |
se_79754732 | stackoverflow | DATA_SCIENCE | Why my Transformer model did not work well when dealing with single cell multi-omic data | Why my Transformer model did not work well when dealing with single cell multi-omic data
The complete codes and data are available at:Google Disk
I'm working on a high-dimensional regression problem and have built a Transformer-based model in PyTorch. While the model trains, I'm observing a strange behavior: the valid... | https://stackoverflow.com/questions/79754732/why-my-transformer-model-did-not-work-well-when-dealing-with-single-cell-multi-o | python, pytorch, data-analysis, bioinformatics, transformer-model | 1,756,909,861 |
se_63224079 | stackoverflow | DATA_SCIENCE | How to calculate "churned" customers in Pandas? (Customers who have stopped buying regularly) | How to calculate "churned" customers in Pandas? (Customers who have stopped buying regularly)
I've cleaned and formatted some data.
Among others, I have these columns: Name, Order Date, and Subscription (which has booleans).
How would you acheive this in pandas?
Example DataFrame:
Date Name ... | https://stackoverflow.com/questions/63224079/how-to-calculate-churned-customers-in-pandas-customers-who-have-stopped-buyi | python, pandas, dataframe, data-analysis | 1,596,431,729 |
se_79708778 | stackoverflow | DATA_SCIENCE | What is the meaning of Data variables: *empty* in working with .nc file? | What is the meaning of Data variables: *empty* in working with .nc file?
I had the task of analyzing a .nc file. I have not worked with it before, so I did some research online and found some codes.
I was exploring the dataset. I tried:
I am using Debian 12, Python3 and Jupyter notebook
# import needed libraries
impor... | https://stackoverflow.com/questions/79708778/what-is-the-meaning-of-data-variables-empty-in-working-with-nc-file | python, machine-learning, data-analysis, python-xarray | 1,753,086,619 |
se_79710190 | stackoverflow | DATA_SCIENCE | How can I summarize sales data by category in a new column? | How can I summarize sales data by category in a new column?
I would like to create a new column where I can sum units by quarter.
My table like this
Another column I would summ unit by product and quarter
Edit: Last two col with the expected result
Unit
Quarter
Product
Unit by Quarter
Un by Q&Product
4
Q1
Apple... | https://stackoverflow.com/questions/79710190/how-can-i-summarize-sales-data-by-category-in-a-new-column | powerbi, dax, data-analysis, powerbi-desktop, calculated-columns | 1,753,174,637 |
se_79702350 | stackoverflow | DATA_SCIENCE | Card (New) Visual – Show Scaled Numeric Value (K/M/B) with Conditional Arrow Indicator | Card (New) Visual – Show Scaled Numeric Value (K/M/B) with Conditional Arrow Indicator
I'm visualizing totals using the Card (New) visual in Power BI, and I’d like to add an arrow:
Up arrow when the value is positive
Down arrow when the value is negative
I can achieve this by creating a measure like this:
Sales Tren... | https://stackoverflow.com/questions/79702350/card-new-visual-show-scaled-numeric-value-k-m-b-with-conditional-arrow-ind | powerbi, dax, data-analysis, powerbi-desktop | 1,752,595,945 |
se_79637239 | stackoverflow | DATA_SCIENCE | Power Query - splitting column | Power Query - splitting column
A column in my power query has the names of various airlines in one string. An example is:
American AirlinesBritishAirwaysFinnairAlphaSky
I need to split this column into the separate airlines, but given there are no separator or special characters between the airlines, the only way I c... | https://stackoverflow.com/questions/79637239/power-query-splitting-column | excel, powerquery, data-analysis, m | 1,748,128,309 |
se_79681767 | stackoverflow | DATA_SCIENCE | Power BI DAX Calculate not working as expected in Matrix report | Power BI DAX Calculate not working as expected in Matrix report
I'm trying to create a matrix report where the row headers will be the recruitment Product of Users and Column header will be their subsequent products. The measure needs to count the distinct count of users in each category.
The recruitment product is a ... | https://stackoverflow.com/questions/79681767/power-bi-dax-calculate-not-working-as-expected-in-matrix-report | powerbi, dax, data-analysis, powerbi-desktop | 1,751,019,323 |
se_79686169 | stackoverflow | DATA_SCIENCE | Error when running lilikoi.featuresSelection() in lilikoi R package: "non-numeric argument to binary operator" | Error when running lilikoi.featuresSelection() in lilikoi R package: "non-numeric argument to binary operator"
I'm using the lilikoi R package to follow a built-in example from the official documentation. While most of the steps work correctly, I encounter an error when I
attempt to run the lilikoi.featuresS... | https://stackoverflow.com/questions/79686169/error-when-running-lilikoi-featuresselection-in-lilikoi-r-package-non-numeri | r, data-analysis, bioinformatics | 1,751,377,684 |
se_79674250 | stackoverflow | DATA_SCIENCE | How to group/summarize and sum the amount of the lates date in DAX | How to group/summarize and sum the amount of the lates date in DAX
I have a sample data as below. I would like to GroupBY Group1 and Group2 variables, SUM the amount and only keep the Max(Date) using DAX. Many thanks in advance.
Group1 Group2 Date Amount
A1 B1 6\20\2025 3
A1 B1 6\20\2025 5
A1 ... | https://stackoverflow.com/questions/79674250/how-to-group-summarize-and-sum-the-amount-of-the-lates-date-in-dax | powerbi, dax, data-analysis, powerbi-desktop | 1,750,492,937 |
se_74256598 | stackoverflow | DATA_SCIENCE | How to oversample the review text data in a sentiment classification dataset using SMOTE? | How to oversample the review text data in a sentiment classification dataset using SMOTE?
My dataset contains 2 columns. ['reviewtext'] which contains textual data(paragraphs), and ['rating']. The ['rating'] column has 5 unique values (1, 2, 3, 4, 5). However the values are unbalanced(
5 3000
4 3000
3 2000
2 ... | https://stackoverflow.com/questions/74256598/how-to-oversample-the-review-text-data-in-a-sentiment-classification-dataset-usi | python, data-analysis, sentiment-analysis, resampling | 1,667,162,462 |
se_72650188 | stackoverflow | DATA_SCIENCE | Sentence similarity using jaccard coefficient on a excel file | Sentence similarity using jaccard coefficient on a excel file
I want to apply the Jaccard coefficient on an excel file that has 5575 rows, 'id' and 'text', the thing that I want to mention is that I want the similarity of the two by two rows : | https://stackoverflow.com/questions/72650188/sentence-similarity-using-jaccard-coefficient-on-a-excel-file | python, excel, pandas, data-analysis, similarity | 1,655,403,101 |
se_79556189 | stackoverflow | DATA_SCIENCE | Cleaning NULL values in a table, by JOINing aggregated data from another query for the same table? | Cleaning NULL values in a table, by JOINing aggregated data from another query for the same table?
I'm currently working on a .csv document with over 150,000 rows. This document has information on trips: place of origin and destination (plus their respective ID and coordinates as latitudes and longitudes), TIMESTAMPS ... | https://stackoverflow.com/questions/79556189/cleaning-null-values-in-a-table-by-joining-aggregated-data-from-another-query-f | sql, google-bigquery, data-analysis, data-cleaning | 1,743,798,230 |
se_56941274 | stackoverflow | DATA_SCIENCE | How to encapsulate method to print console out to Word | How to encapsulate method to print console out to Word
I want to print my summary stats sometimes to console, and also other times to Word.
I don't want my code to be littered with lines calling to Word, because then I'd need to find and comment out like 100 lines each time I just wanted the console output.
I've th... | https://stackoverflow.com/questions/56941274/how-to-encapsulate-method-to-print-console-out-to-word | python, automation, docx, data-analysis | 1,562,613,341 |
se_56426647 | stackoverflow | DATA_SCIENCE | How can I filter and a find a subset of a dataframe in which categorical data in two columns occur more than n, m times? | How can I filter and a find a subset of a dataframe in which categorical data in two columns occur more than n, m times?
I have a dataframe from a csv which contains userId, ISBN and ratings for a bunch of books. I want to find a subset of this dataframe in which both userIds occur more than 200 times and ISBNs occur ... | https://stackoverflow.com/questions/56426647/how-can-i-filter-and-a-find-a-subset-of-a-dataframe-in-which-categorical-data-in | python, dataframe, data-analysis | 1,559,562,285 |
se_79654507 | stackoverflow | DATA_SCIENCE | How to Use Filter Activity Output as a Source in Copy Activity in Azure Data Factory Pipeline | How to Use Filter Activity Output as a Source in Copy Activity in Azure Data Factory Pipeline
I'm fairly new to Azure Data Factory and need help with a pipeline I'm building. My goal is to read data from a CSV file stored in an Amazon S3 bucket, filter out records where the Status column is 'active', and then copy the... | https://stackoverflow.com/questions/79654507/how-to-use-filter-activity-output-as-a-source-in-copy-activity-in-azure-data-fac | azure, azure-data-factory, etl, data-analysis, data-engineering | 1,749,128,436 |
se_79645150 | stackoverflow | DATA_SCIENCE | Convert inner join with multiple conditions to DAX code for PowerBI. Join functions in DAX seem to be done only on simple conditions | Convert inner join with multiple conditions to DAX code for PowerBI. Join functions in DAX seem to be done only on simple conditions
I have a query that uses my CDI table and self joins parts/rows of this table to other rows or parts of this table. I used CTEs to achieve this action in SQL shown below:
WITH ALC2_2 AS ... | https://stackoverflow.com/questions/79645150/convert-inner-join-with-multiple-conditions-to-dax-code-for-powerbi-join-functi | python, sql, powerbi, dax, data-analysis | 1,748,594,555 |
se_79617890 | stackoverflow | DATA_SCIENCE | How can you count rows meeting one or more of multiple criteria in google sheets? | How can you count rows meeting one or more of multiple criteria in google sheets?
I need to total multiple criterion amongst separate columns in a spreadsheet.
I attempted the following syntax...
COUNTIFS(criteria_range1, criterion1, criteria_range2, criterion2, ...)
as such...
COUNTIFS(a2:a, "Week 3", e2:e, "Week 3"... | https://stackoverflow.com/questions/79617890/how-can-you-count-rows-meeting-one-or-more-of-multiple-criteria-in-google-sheets | google-sheets, google-sheets-formula, data-analysis, spreadsheet, countif | 1,747,054,808 |
se_79637922 | stackoverflow | DATA_SCIENCE | Sum Values Which Appear In Both Tables | Sum Values Which Appear In Both Tables
I have 2 related tables and I would like to sum if id number is exsist in the both tables.
table1
id sum
1 5
3 10
5 15
table2
id sum
1 10
2 20
5 30
Expected Answer
sum = 5 + 10 + 15 + 30 | https://stackoverflow.com/questions/79637922/sum-values-which-appear-in-both-tables | powerbi, dax, data-analysis, powerbi-desktop, measure | 1,748,194,135 |
se_52500704 | stackoverflow | DATA_SCIENCE | Detect significant trend changes | Detect significant trend changes
I would like to detect the dates where a trend curve significantly changes using R. The red dots are the points in time where I see a significant changed, these should be detected. Small fluctuations should be ignored.
I have tried the breakpoints functions which finds the dates ind... | https://stackoverflow.com/questions/52500704/detect-significant-trend-changes | r, time-series, data-analysis | 1,537,885,940 |
se_79596354 | stackoverflow | DATA_SCIENCE | streamplots with pyqtgraph? | streamplots with pyqtgraph?
Is there any function similar to matplotlib.pyplot.streamplot in pyqtgraph? I am using a UI for data analysis and would really benefit if I could overplot it with streamlines. Unfortunately, all I find online are packages on how to "stream plots" with pyqtgraph. (as in update them in real t... | https://stackoverflow.com/questions/79596354/streamplots-with-pyqtgraph | plot, data-analysis, vector-graphics, pyqtgraph | 1,745,839,082 |
se_79586550 | stackoverflow | DATA_SCIENCE | How can I optimize a Streamlit dashboard for large CSV files to improve load time? | How can I optimize a Streamlit dashboard for large CSV files to improve load time?
My Streamlit app reads and visualizes data from a large CSV file (~100MB). The app takes several seconds to load.
What are the best practices for improving performance—such as using @st.cache_data, lazy loading, or preprocessing? | https://stackoverflow.com/questions/79586550/how-can-i-optimize-a-streamlit-dashboard-for-large-csv-files-to-improve-load-tim | forms, machine-learning, artificial-intelligence, data-analysis | 1,745,327,175 |
se_79586138 | stackoverflow | DATA_SCIENCE | java.io.EOFException PySpark Py4JJavaError always occuring when using user defined function | java.io.EOFException PySpark Py4JJavaError always occuring when using user defined function
I'm doing data preprocessing for this csv file of 1 million rows and hoping to shrink it down to 600000 rows. However I'm having trouble always when doing an apply function on a column in the dataframe because it always raises ... | https://stackoverflow.com/questions/79586138/java-io-eofexception-pyspark-py4jjavaerror-always-occuring-when-using-user-defin | python, dataframe, apache-spark, pyspark, data-analysis | 1,745,315,665 |
se_79575746 | stackoverflow | DATA_SCIENCE | how to use for loop to build an array in python? | how to use for loop to build an array in python?
I wrote a piece of code that kind of does what I want it to do: it goes through a data vector {x, y}, which is ordered in increasing x, and it bins the y-data in the user-defined x-intervals so I can do statistics on the dataset. But it takes super-long and there seems ... | https://stackoverflow.com/questions/79575746/how-to-use-for-loop-to-build-an-array-in-python | python, loops, visualization, data-analysis | 1,744,738,917 |
se_79549747 | stackoverflow | DATA_SCIENCE | How to avoid read_csv converting empty strings to NULL? | How to avoid read_csv converting empty strings to NULL?
I'm using DuckDB to read a CSV file that contains empty strings in some fields. However, DuckDB converts these empty strings to NULL.
CSV Sample Data:
"path","comment"
"","[{""comment"":""grand total"",""updatedByUser"":"",""dateTime"":""2025-03-27 09:08:38"",""t... | https://stackoverflow.com/questions/79549747/how-to-avoid-read-csv-converting-empty-strings-to-null | sql, data-analysis, duckdb | 1,743,571,335 |
se_79479705 | stackoverflow | DATA_SCIENCE | How to make a custom diagram with python for data analysis | How to make a custom diagram with python for data analysis
I am looking for an idea how to change a diagram to make it fit to that picture:
Maybe it would make sense to make the output in a table to klick a row and show it in the diagram. But I have no idea which bib I can use.
The data I have already converted:
impo... | https://stackoverflow.com/questions/79479705/how-to-make-a-custom-diagram-with-python-for-data-analysis | python, pandas, data-analysis, mathlib | 1,740,947,254 |
se_79529449 | stackoverflow | DATA_SCIENCE | How to design a Django database schema for tracking user-item interactions (with quantities) to enable analytics and reporting?" | How to design a Django database schema for tracking user-item interactions (with quantities) to enable analytics and reporting?"
I'm building a Django web app to manage item stock, where authenticated users can "take" items from inventory (I'm not using djangos authentication system, is more like the user enters ... | https://stackoverflow.com/questions/79529449/how-to-design-a-django-database-schema-for-tracking-user-item-interactions-with | django, sqlite, data-analysis | 1,742,754,149 |
se_77329740 | stackoverflow | DATA_SCIENCE | How to split multiple options of an Excel form | How to split multiple options of an Excel form
I'm doing a data cleaning on excel and it was all going fine until i need to count how many times an answer apear. It was a multiple choice so, in Excel, the column has the type:
Answer1, Answer2, Answer4
Answer2
Answer3, Answer4
If it was just like these (and correct me ... | https://stackoverflow.com/questions/77329740/how-to-split-multiple-options-of-an-excel-form | excel, excel-formula, split, data-analysis, countif | 1,697,793,632 |
se_77994261 | stackoverflow | DATA_SCIENCE | Pivot rows into column using DAX code in DAX Studio | Pivot rows into column using DAX code in DAX Studio
Can anyone help me with code to do a "transpose" function in DAX using DAX Studio (From Image 1 to Image 2)
Image 1
Image 2 | https://stackoverflow.com/questions/77994261/pivot-rows-into-column-using-dax-code-in-dax-studio | powerbi, dax, data-analysis, powerbi-desktop, daxstudio | 1,707,913,239 |
se_79495508 | stackoverflow | DATA_SCIENCE | How can i improve my python code of leetcode problem 345 and how i can i improve the time complexity | How can i improve my python code of leetcode problem 345 and how i can i improve the time complexity
Task of the problem:
Given a string s, reverse only all the vowels in the string and return it.
The vowels are 'a', 'e', 'i', 'o', and 'u', and they can appear in both lower and upper
cases, more than once.
Example 1:... | https://stackoverflow.com/questions/79495508/how-can-i-improve-my-python-code-of-leetcode-problem-345-and-how-i-can-i-improve | python, performance, time-complexity, runtime-error, data-analysis | 1,741,501,471 |
se_79169081 | stackoverflow | DATA_SCIENCE | Invalid value of type 'builtins.str' received for the 'color' property of scatter.line Received value: 'rgba(166, 206, 227, np.float64(1.0))' | Invalid value of type 'builtins.str' received for the 'color' property of scatter.line Received value: 'rgba(166, 206, 227, np.float64(1.0))'
I am using this set of imports
import numpy as np
import pandas as pd
import matplotlib.pyplot as plt
from chart_studio import plotly
# import plotly.plo... | https://stackoverflow.com/questions/79169081/invalid-value-of-type-builtins-str-received-for-the-color-property-of-scatte | python, data-science, data-analysis, valueerror | 1,731,049,215 |
se_31708216 | stackoverflow | DATA_SCIENCE | How do I visualize n-dimensional features? | How do I visualize n-dimensional features?
I have two matrices A and B. The size of A is 200*1000 double (here: 1000 represents 1000 different features). Matrix A belongs to group 1, where I use ones(200,1) as the label vector. The size of B is also 200*1000 double (here: 1000 also represents 1000 different features)... | https://stackoverflow.com/questions/31708216/how-do-i-visualize-n-dimensional-features | matlab, grouping, data-analysis | 1,438,193,890 |
se_79481979 | stackoverflow | DATA_SCIENCE | Remove duplicated value inside in cell in python with multiple row | Remove duplicated value inside in cell in python with multiple row
Hi Im cleaning bunch of emails and need help of removing data on each cell.In my data frame it looks like this
I want to remove the duplicated values on each value on each cell with multiple row duplicates too.
My data
left
center
One
email1emai... | https://stackoverflow.com/questions/79481979/remove-duplicated-value-inside-in-cell-in-python-with-multiple-row | python, dataframe, data-analysis | 1,741,030,633 |
se_79475129 | stackoverflow | DATA_SCIENCE | PowerBI - DAX code - Measure for a line chart to do not show values after Today() | PowerBI - DAX code - Measure for a line chart to do not show values after Today()
I have a Data Model which has 2 specific table: 'Rolling Date' and 'Hasznaltauto mappák'. Rolling date contains date records, 1 for each day until today. The other table contains purchased cars, one record for each car. It has date, type... | https://stackoverflow.com/questions/79475129/powerbi-dax-code-measure-for-a-line-chart-to-do-not-show-values-after-today | powerbi, dax, data-analysis | 1,740,736,291 |
se_79478549 | stackoverflow | DATA_SCIENCE | Add new value/column in power BI matrix | Add new value/column in power BI matrix
i created matrix in power bi. and i want to add sales average at last column and the formula i stated below. its just sample formula. but when i create a measure and add the measure at value. the column is repeating beside each column. how to add the column at last column only.
... | https://stackoverflow.com/questions/79478549/add-new-value-column-in-power-bi-matrix | powerbi, dax, data-analysis, powerbi-desktop, powerbi-datasource | 1,740,882,620 |
se_73810681 | stackoverflow | DATA_SCIENCE | Deriving multiple fields in SPSS modeler (using unique fields each time) | Deriving multiple fields in SPSS modeler (using unique fields each time)
I'm using SPSS modeler to calculate the accuracy of various weekly estimates. I have a data table with a couple weeks of estimates and a couple weeks of actual data points. Currently, to calculate the errors per week I have to use a derive node f... | https://stackoverflow.com/questions/73810681/deriving-multiple-fields-in-spss-modeler-using-unique-fields-each-time | data-analysis, spss, spss-modeler | 1,663,830,944 |
se_79447135 | stackoverflow | DATA_SCIENCE | Trying to create predicted curves of CO2 using observed data and using a non-linear equation but my models are not matching the observed data at all | Trying to create predicted curves of CO2 using observed data and using a non-linear equation but my models are not matching the observed data at all
its fine I worked out what went wrong. There were 2 issues and I'll explain what happened. The original co2 dataframe has several time-related columns. When I was rescali... | https://stackoverflow.com/questions/79447135/trying-to-create-predicted-curves-of-co2-using-observed-data-and-using-a-non-lin | python, data-analysis, curve-fitting | 1,739,853,118 |
se_79449119 | stackoverflow | DATA_SCIENCE | How to count people inside the building using entrance/leaving logs in PostgreSQL | How to count people inside the building using entrance/leaving logs in PostgreSQL
I have a table with logs of going inside and outside the building. The table looks like that:
user_id
datetime
direction
1
17/2/2025, 18:25:02.000
in
1
17/2/2025, 20:09:10.000
out
2
17/2/2025, 09:55:57.000
in
2
17/2/2025, 20... | https://stackoverflow.com/questions/79449119/how-to-count-people-inside-the-building-using-entrance-leaving-logs-in-postgresq | sql, postgresql, data-analysis, window-functions | 1,739,899,259 |
se_74548262 | stackoverflow | DATA_SCIENCE | Why does scipy.optimize.curve_fit not fit the data if a large gap exists between two groups of evenly spaced points? | Why does scipy.optimize.curve_fit not fit the data if a large gap exists between two groups of evenly spaced points?
So I have a bell shaped distribution of points onto which I would like to fit a gaussian function.
Sometimes it happens that this bell shape distribution of points is missing some points at the peak of ... | https://stackoverflow.com/questions/74548262/why-does-scipy-optimize-curve-fit-not-fit-the-data-if-a-large-gap-exists-between | python, data-analysis, curve-fitting, scipy-optimize | 1,669,213,101 |
se_79415757 | stackoverflow | DATA_SCIENCE | PowerBI prevent cross-filtering or cross-hilighting of other visuals in page when I click on one visual | PowerBI prevent cross-filtering or cross-hilighting of other visuals in page when I click on one visual
In my PowerBI report I have multiple reports. Refer below image
When I click on the bar on any visual, it blurs all other visuals, and remove their values.
In below image I click bar of the first visual. This cause... | https://stackoverflow.com/questions/79415757/powerbi-prevent-cross-filtering-or-cross-hilighting-of-other-visuals-in-page-whe | powerbi, visualization, data-analysis, powerbi-desktop | 1,738,778,809 |
se_79398850 | stackoverflow | DATA_SCIENCE | BigQuery - Public Data: new_york is missing but the query runs | BigQuery - Public Data: new_york is missing but the query runs
I'm taking up Google Data Analytics and I need the new_york dataset. The instructions clearly specified that it shouldn't be new_york_citibike due to discrepancies in their data.
Since I can't see the dataset, I pasted the course's query. It runs and I'll ... | https://stackoverflow.com/questions/79398850/bigquery-public-data-new-york-is-missing-but-the-query-runs | data-analysis, bigquery-public-datasets | 1,738,214,277 |
se_78205448 | stackoverflow | DATA_SCIENCE | Change pandas pivot table bins range | Change pandas pivot table bins range
I have a pandas pivot table and I want to change the bin ranges to calculate from 0.
Hour_Num (0, 12] (12, 15] (15, 20] (20, 24]
today_qty yesterday_qty today_qty yesterday_qty today_qty yesterday_qty today_qty yesterday_qty
channel_name ... | https://stackoverflow.com/questions/78205448/change-pandas-pivot-table-bins-range | python, pandas, dataframe, pivot-table, data-analysis | 1,711,102,257 |
se_79383537 | stackoverflow | DATA_SCIENCE | Seaborn.pointplot(): repeats of same x-axis values, but different y | Seaborn.pointplot(): repeats of same x-axis values, but different y
I am unsure what to do here.
So the seaborn.pointplot() should take the mean of y values across 4 independent experiment for each x. However, within each independent experiment, I have also been doing repeats (e.g., 2 repeats for one experiment). But ... | https://stackoverflow.com/questions/79383537/seaborn-pointplot-repeats-of-same-x-axis-values-but-different-y | python, seaborn, data-analysis | 1,737,703,346 |
se_79367947 | stackoverflow | DATA_SCIENCE | PySpark filtering | PySpark filtering
Currently I'm making calculations on a database that contains information on how loans are paid by borrowers.
From technical point of view, I'm using PySpark and have just faced with an issue of how to use advanced filtering operations.
My dataframe looks like this:
ID ContractDate LoanSum Clos... | https://stackoverflow.com/questions/79367947/pyspark-filtering | pyspark, filter, data-analysis | 1,737,233,115 |
se_79363494 | stackoverflow | DATA_SCIENCE | Segmenting Shortest Paths in Simple Virtual Reality Map Images | Segmenting Shortest Paths in Simple Virtual Reality Map Images
The goal is to segment the major paths by turns in a shortest path of a virtual reality map to know how much to score a person's navigation trajectory (blue line in image) based on how far they walked on the shortest path.
The problem right now is the algo... | https://stackoverflow.com/questions/79363494/segmenting-shortest-paths-in-simple-virtual-reality-map-images | matlab, geometry, data-analysis, graph-theory | 1,737,081,584 |
se_79359774 | stackoverflow | DATA_SCIENCE | Calculating Difference of the days Power BI, Dax | Calculating Difference of the days Power BI, Dax
I'm trying to get the days difference in table view power bi but it doesn't show the diff for each row for dax. What I want to achieve is the row-wise difference for the days and if the one-Id has the last day calculated with the current date only for the max stage is.
... | https://stackoverflow.com/questions/79359774/calculating-difference-of-the-days-power-bi-dax | powerbi, dax, powerquery, data-analysis | 1,736,977,031 |
se_79307462 | stackoverflow | DATA_SCIENCE | Calculating Financial Delays Using R | Calculating Financial Delays Using R
I am currently working on a project to calculate losses for certain contracts, and I could really use your help with some challenges I'm facing.
I have successfully calculated losses for each individual contract. The Start Date indicates when the contract should have begun, and the... | https://stackoverflow.com/questions/79307462/calculating-financial-delays-using-r | r, math, report, data-analysis, finance | 1,735,125,647 |
se_79341877 | stackoverflow | DATA_SCIENCE | Removing Noise (Jumps and Drops) from Sensor Data for Fuel Consumption | Removing Noise (Jumps and Drops) from Sensor Data for Fuel Consumption
I am working with fuel consumption data received from a sensor, but sometimes the data contains noise (sudden jumps or drops) that makes it inconsistent. My goal is to identify and remove these outliers to ensure the data is accurate and reliable f... | https://stackoverflow.com/questions/79341877/removing-noise-jumps-and-drops-from-sensor-data-for-fuel-consumption | c#, .net, data-analysis, data-fitting, anomaly-detection | 1,736,411,074 |
se_58522327 | stackoverflow | DATA_SCIENCE | Entropy function for 3D point array in Matlab? | Entropy function for 3D point array in Matlab?
For an array in this format
A = [[1,2,3]; [4,5,6]; ... [x, y, z]];
How can I calculate the entropy of the points array in Matlab? | https://stackoverflow.com/questions/58522327/entropy-function-for-3d-point-array-in-matlab | arrays, matlab, statistics, data-analysis, entropy | 1,571,831,757 |
se_79338114 | stackoverflow | DATA_SCIENCE | "RuntimeError: Numpy is not available" when using inverse_transform | "RuntimeError: Numpy is not available" when using inverse_transform
I got this error on python 3.12.7:
Traceback (most recent call last):
File "/Users/hongviet/Library/Mobile Documents/com~apple~CloudDocs/Documents/DataAnlalysCoding/First Week/baitap1.py", line 186, in <module>
main()
File "/Users/ho... | https://stackoverflow.com/questions/79338114/runtimeerror-numpy-is-not-available-when-using-inverse-transform | numpy, deep-learning, conv-neural-network, data-analysis | 1,736,316,862 |
se_79335173 | stackoverflow | DATA_SCIENCE | good r2 score but huge parameter uncertainty | good r2 score but huge parameter uncertainty
I'm using a quadratic function to fit my data. I have good R2 score but huge uncertainty in my fitting parameters
Here is the graph and the results:
R2 score: 0.9698143924536671
uncertainty in a, b, and y0: 116.93787913, 10647.11867972, 116.93787935
How should I intepret t... | https://stackoverflow.com/questions/79335173/good-r2-score-but-huge-parameter-uncertainty | python, scipy, data-analysis, curve-fitting | 1,736,235,034 |
se_79281263 | stackoverflow | DATA_SCIENCE | How to Fill Missing Timestamps with Interpolated Values in GridDB Time-Series Queries? | How to Fill Missing Timestamps with Interpolated Values in GridDB Time-Series Queries?
I am working on a time-series data analysis project using GridDB. My dataset has irregular intervals, with missing timestamps in some cases. I need to fill these gaps with interpolated values during data retrieval.
Current Setup:
I ... | https://stackoverflow.com/questions/79281263/how-to-fill-missing-timestamps-with-interpolated-values-in-griddb-time-series-qu | database, time-series, interpolation, data-analysis, griddb | 1,734,205,048 |
se_79330781 | stackoverflow | DATA_SCIENCE | Approach needed for filtering aggregated data in Laravel / MySQL 8 | Approach needed for filtering aggregated data in Laravel / MySQL 8
I'm hoping someone can point me in the right direction here or share some approaches to a challenging feature I need to implement in my Laravel 11 project.
I have a model called StatisticAggregate which contains data columns such as total_submits (e.g:... | https://stackoverflow.com/questions/79330781/approach-needed-for-filtering-aggregated-data-in-laravel-mysql-8 | php, laravel, data-analysis, aggregation | 1,736,082,883 |
se_79023121 | stackoverflow | DATA_SCIENCE | Troubles formatting a complex excel file into a pandas dataframe for data analysis | Troubles formatting a complex excel file into a pandas dataframe for data analysis
I am trying to process a file with Pandas to find correlation between variables and a specific result I get, but it is formatted in a way that makes it hard for me.
Quick explanation of the problem
I am producing a product, and I get th... | https://stackoverflow.com/questions/79023121/troubles-formatting-a-complex-excel-file-into-a-pandas-dataframe-for-data-analys | python, pandas, dataframe, data-analysis | 1,727,270,398 |
se_79320238 | stackoverflow | DATA_SCIENCE | Seaborn Linegraph with binned values | Seaborn Linegraph with binned values
I have the following code and graph:
bins = [0, 5, 15, 25, 50, 75, 100, 125, 150, 175, 200, 250, 300, 400, 500, 600, 700, 850, 1000, 5000, 100000]
df['articles_binned'] = pd.cut(df['ARTICLES'], bins)
export_df = df.groupby(['articles_binned', 'SUB_TYPE'])['CANCELLATION_FLAG'].mean... | https://stackoverflow.com/questions/79320238/seaborn-linegraph-with-binned-values | python, pandas, seaborn, data-analysis | 1,735,657,238 |
se_79317572 | stackoverflow | DATA_SCIENCE | How to place the values on the bar plot (some vertically and some horizontally)? | How to place the values on the bar plot (some vertically and some horizontally)?
WHAT I HAVE
WHAT I WANT
I want the values to be inserted on the bars and they should be adjusted accordingly so that they appear clear. ( Some of them should be vertical and some of them should be horizontal )
x2 = ['JAN','FEB','MAR','APR... | https://stackoverflow.com/questions/79317572/how-to-place-the-values-on-the-bar-plot-some-vertically-and-some-horizontally | python, matplotlib, bar-chart, data-analysis | 1,735,561,534 |
se_79317307 | stackoverflow | DATA_SCIENCE | How to draw the horizontal and vertical lines for every value of x and y ticks with a specific opacity? (in the background) | How to draw the horizontal and vertical lines for every value of x and y ticks with a specific opacity? (in the background)
x = [value for value in df['YEAR']]
y1 = [value for value in df['ANNUAL']]
y2 = [df['ANNUAL'].mean()]*(len(x))
fig = plt.figure(figsize=(8,5))
plt.plot(x,y1,label='Annual rainfall',color='blue'... | https://stackoverflow.com/questions/79317307/how-to-draw-the-horizontal-and-vertical-lines-for-every-value-of-x-and-y-ticks-w | python, matplotlib, graph, data-analysis | 1,735,553,957 |
se_75794830 | stackoverflow | DATA_SCIENCE | I want to connect to an api and extract the data | I want to connect to an api and extract the data
I'm doing my own python analytics project on compiling and analysing data from this open-data source:
(https://data.gov.ie/dataset?q=homeless&api=true&sort=score+desc%2C+metadata_created+desc&theme=Housing)
I've never worked with api's or json's before.. all the info on... | https://stackoverflow.com/questions/75794830/i-want-to-connect-to-an-api-and-extract-the-data | python, pandas, data-analysis | 1,679,342,639 |
se_79295170 | stackoverflow | DATA_SCIENCE | Grouping Rows of Data to Generate analytical | Grouping Rows of Data to Generate analytical
I am working with a data set of NHS attendance data (a snippet of the columns and rows are included). The data continues all the way until the final hour of Sunday. I have successfully cleaned the data and I am now trying to first find ‘the most common reason for attendance... | https://stackoverflow.com/questions/79295170/grouping-rows-of-data-to-generate-analytical | python, pandas, dataframe, group-by, data-analysis | 1,734,630,213 |
se_79257418 | stackoverflow | DATA_SCIENCE | How can i change a column data type in pandas without creating null values in the whole column in my dataframe | How can i change a column data type in pandas without creating null values in the whole column in my dataframe
I have been getting null values when trying to convert a column with the non-numeric type values to a column with numeric type values
I have been using the below code line to change my column data type so th... | https://stackoverflow.com/questions/79257418/how-can-i-change-a-column-data-type-in-pandas-without-creating-null-values-in-th | python, pandas, dataframe, data-analysis | 1,733,476,096 |
se_75085236 | stackoverflow | DATA_SCIENCE | "Found input variables with inconsistent numbers of samples" Have I done something wrong during the train_test_split? | "Found input variables with inconsistent numbers of samples" Have I done something wrong during the train_test_split?
I am trying to logistic Regression Model, and run some test but I keep getting this error. Not really sure what I have done differently to everyone else
from sklearn import preprocessing
X = ... | https://stackoverflow.com/questions/75085236/found-input-variables-with-inconsistent-numbers-of-samples-have-i-done-somethi | python, machine-learning, jupyter-notebook, data-analysis, train-test-split | 1,673,450,149 |
se_79278754 | stackoverflow | DATA_SCIENCE | How to send an email notification using Python? | How to send an email notification using Python?
I have a Python script that calls an API to fetch information about the job runs we have on IDMC from Informatica. The data queried from the API contains the runID, runName, Status and dates.
I want to have a framework where I can get notified via email in case of a job ... | https://stackoverflow.com/questions/79278754/how-to-send-an-email-notification-using-python | email, data-analysis, informatica | 1,734,102,526 |
se_78081377 | stackoverflow | DATA_SCIENCE | How do you deal with multiple values in a single cell separated by comma? | How do you deal with multiple values in a single cell separated by comma?
Student
Fruits
Foo
Apple,Banana
Bar
Orange
Baz
Lemon,Orange
How do I quantify/analyze the column Fruits with multiple values in a single cell separated by comma?
I created multiple helper columns, then split the values like so:
Stu... | https://stackoverflow.com/questions/78081377/how-do-you-deal-with-multiple-values-in-a-single-cell-separated-by-comma | google-sheets, google-analytics, data-analysis, pandas-explode, first-normal-form | 1,709,209,335 |
se_69946941 | stackoverflow | DATA_SCIENCE | Python BeautifulSoup web-scraping Tripadvisor view a review | Python BeautifulSoup web-scraping Tripadvisor view a review
So I am new to web scraping and trying to view list of reviews for a particular hotel.
I am initially trying to view for a particular review by selecting a particular class, and I am not getting any output, even when I try to check the status code of the requ... | https://stackoverflow.com/questions/69946941/python-beautifulsoup-web-scraping-tripadvisor-view-a-review | python, web-scraping, beautifulsoup, python-requests, data-analysis | 1,636,738,603 |
se_79261926 | stackoverflow | DATA_SCIENCE | Get Average of Top 3 in a Summarized Table in Power Bi | Get Average of Top 3 in a Summarized Table in Power Bi
I'm new to Power Bi and I'm facing a problem. I have Sales table in which there is column named Moony. The table is like this:
RowNumber
Moony
Volume
1
140309
123456
2
140309
15616
3
140210
565
4
140123
51
5
140202
123
6
140011
456
7
140202
123
... | https://stackoverflow.com/questions/79261926/get-average-of-top-3-in-a-summarized-table-in-power-bi | powerbi, dax, data-analysis, powerbi-desktop, measure | 1,733,637,128 |
se_79257330 | stackoverflow | DATA_SCIENCE | Custom Colum based on specific dates in powerquery | Custom Colum based on specific dates in powerquery
I have a table as below, and I am trying to create Custom Colom with a following condition:
if [Date] < #date(2024, 7, 15) then consider all the Amount for Code (A1,A2,A3, and A4)
if [Date] >= #date(2024, 7, 15) then consider the Amount only C1 and D1
Code Date... | https://stackoverflow.com/questions/79257330/custom-colum-based-on-specific-dates-in-powerquery | powerbi, powerquery, data-analysis, powerbi-desktop, m | 1,733,474,219 |
se_79208760 | stackoverflow | DATA_SCIENCE | Convert a multi column / row table output into a single string | Convert a multi column / row table output into a single string
I have a table called #table1, larger but similar to the one below. I want to move the results to a single string variable.
ColumnA
ColumnB
ColumnC
ColumnD
date1
datavalue1
identifier1
description1
date2
datavalue2
identifier2
description2
I wa... | https://stackoverflow.com/questions/79208760/convert-a-multi-column-row-table-output-into-a-single-string | sql, sql-server, t-sql, data-analysis | 1,732,132,372 |
se_79246724 | stackoverflow | DATA_SCIENCE | Read excel file with Sheets using duckdb | Read excel file with Sheets using duckdb
I have excel file which has three sheets, using duckdb how to read all sheets into one dataframe?
Normally i'm using spatial extension to read excel files with one sheet and it works perfect, here my code for reading excel.
import duckdb
import polars as pl
# Create a connect... | https://stackoverflow.com/questions/79246724/read-excel-file-with-sheets-using-duckdb | data-analysis, duckdb | 1,733,212,748 |
se_79190384 | stackoverflow | DATA_SCIENCE | Ideal method to do image similarity comparison between two binary images - Tactile Maps | Ideal method to do image similarity comparison between two binary images - Tactile Maps
I have a task for image similarity comparisons between two binary images of tactile maps (maps for the visually impaired to map out an area). The goal is to have an output score of how similar the two images are. The score should b... | https://stackoverflow.com/questions/79190384/ideal-method-to-do-image-similarity-comparison-between-two-binary-images-tacti | image-processing, computer-vision, data-analysis, similarity, binary-data | 1,731,617,467 |
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