id stringlengths 16 145 | text stringlengths 1 179k | title stringclasses 1
value |
|---|---|---|
R_base_all/split-data-frame-string-column-into-multiple-columns0_86_0.txt | answered Dec 3, 2010 at 23:35
IRTFM IRTFM | |
R_base_all/R_base_all_399_0.txt | [ RDocumentation ](/)
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# NotYet: Not Yet Implemented Functions and Unused Arguments
## Description
In order to pinp... | |
R_base_all/weighted-average-excel4_80_0.txt | Reply
11. Ouiski7 says: | |
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# search: Give Search Path for R Objects
## Description
Gives a list of ` [ attach ](/link/a... | |
R_base_all/pandas.Series.str.split.html8_51_0.txt | © 2024, pandas via NumFOCUS, Inc. Hosted by OVHcloud .
Created using Sphinx 7.2.6. | |
R_base_all/R_base_all_210_1.txt | n ` ), but
portable code should not use Fortran names containing underscores.
Use ` .Fortran ` with care for compiled Fortran 9x code: it may not work if
the Fortran 9x compiler used differs from the Fortran 77 compiler used when
configuring R , especially if the subroutine name is not lower-case or
includes an unde... | |
R_base_all/Simulation.html9_2_0.txt |
?sample
Let’s simulate rolling four six-sided dice: sample(1:6, 4, replace = TRUE). | |
R_base_all/split-data-frame-string-column-into-multiple-columns0_7_0.txt | 1. 1. Home
2. Questions | |
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# ns-internals: Namespace Internals
## Description
Internal namespace support functions. Not... | |
R_base_all/split-data-frame-string-column-into-multiple-columns0_19_0.txt | Ask Question
Asked 13 years, 5 months ago | |
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# LongVectors: Long Vectors
## Description
Vectors of \\(2^{31}\\) or more elements were add... | |
R_base_all/weighted-average-excel4_113_0.txt | 22. Hui... says:
September 3, 2011 at 12:40 am | |
R_base_all/index.html6_14_0.txt |
## [1] -1.62366254 0.44484705 -0.36194250 0.02640805 -0.21144759 0.85520311
## [7] 1.52687944 1.20101330 0.12107444 -0.53072527
We can verify that a standard normal distribution is generated by plotting a
histogram of a very large number of values created using ` rnorm ` . | |
R_base_all/split-data-frame-string-column-into-multiple-columns0_112_0.txt | And then we can use ` gather ` to tidy up...
after %>%
gather(key, val, -attr, na.rm = T)
attr key val
1 1 type_1 foo
2 30 type_1 foo
3 4 type_1 foo
4 6 type_1 foo
5 1 type_2 bar
6 30 type_2 bar_2
7 4 type_2 bar_2
... | |
R_base_all/getting-started-simulating-data8_64_0.txt | Here we’ll make a two-group variable of length 5. This means the second group
will have one less value than the first.
rep(letters[1:2], length.out = 5)
[1] "a" "b" "a" "b" "a" | |
R_base_all/1358206-date-manipulation-volume-weighted-average1_19_0.txt | #2
27 Sep 2016, 09:07 | |
R_base_all/R_base_all_188_1.txt | ction.
Because of the way it is implemented, on a Unix-alike ` stderr = TRUE `
implies ` stdout = TRUE ` : a warning is given if this is not what was
specified.
When ` timeout ` is non-zero, the command is terminated after the given number
of seconds. The termination works for typical commands, but is not guaranteed:... | |
R_base_all/split-data-frame-string-column-into-multiple-columns0_37_0.txt | this worked pretty fine for my problem today as well.. but it was adding a 'c'
at the beginning of each row. Any idea why is that??? ` left_right <-
str_split_fixed(as.character(split_df),'\">',2) `
– LearneR | |
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# match: Value Matching
## Description
` match ` returns a vector of the positions of (first... | |
R_base_all/getting-started-simulating-data8_32_0.txt | This particular example doesn’t show much of a pattern, but if you take this
code and run it may times you’ll see some pretty surprising relationships.
x = rnorm(n = 10, mean = 0, sd = 1)
y = rnorm(n = 10, mean = 0, sd = 1)
plot(y ~ x) | |
R_base_all/weighted-average-excel4_13_0.txt | ## How to Calculate Weighted Average in Excel with Percentages
There is no built-in formula in Excel to calculate weighted averages. However,
there is an easy fix to that. You can use SUMPRODUCT formula . By
definition, SUMPRODUCT formula takes 2 or more lists of numbers and returns
the sum of product of correspond... | |
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# chartr: Character Translation and Casefolding
## Description
Translate characters in chara... | |
R_base_all/weighted-average-excel4_160_0.txt | Transaction Type AHT Per Day Tran
120 Sec Trans 120 3
180 Sec Trans 180 87
208 Sec Trans 208 2954
240 Sec Trans 240 354
293 Sec Trans 293 4
300 Sec Trans 300 79
120 Sec Trans 322 2464
380 Sec Trans 380 19
381 Sec Trans 381 229
120 Sec Trans 396 182
401 Sec Trans 401 655
480 Sec Trans 480 49
54... | |
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# weekdays: Extract Parts of a POSIXt or Date Object
## Description
Extract the weekday, mon... | |
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# outer: Outer Product of Arrays
## Description
The outer product of the arrays ` X ` and ` ... | |
R_base_all/weighted-average-excel4_344_0.txt | February 20, 2017 at 12:21 am
I am trying to calculate the variance between budget to actual for various
departments so I can get a per unit. I was trying to use weighted average. At
the end, I need to end up with a variance per unit$. How do I do it? here's
the sample data:
Division Actual $ Actual Units Budget $ B... | |
R_base_all/weighted-average-excel4_51_0.txt | Financial Modeling
### Loan Amortization Schedule in Excel – FREE Template | |
R_base_all/weighted-average-excel4_358_0.txt | #### Get Started
* Excel Basics
* Advanced Excel
* 100+ Formulas
* Free Crash Course
* Pivot Tables
* Power BI | |
R_base_all/index.html6_53_0.txt | species | Length | Width | Mass | offspring
---|---|---|---|---
species_1 | 160.0961 | 249.7890 | 25.93705 | 3
species_1 | 160.5342 | 247.5876 | 26.06193 | 3
species_1 | 159.9338 | 244.3800 | 26.44370 | 2
species_1 | 155.9637 | 246.8168 | 27.22432 | 4
species_1 ... | |
R_base_all/weighted-average-excel4_44_0.txt | Hey there, I have a SUPER exciting announcement! April is about to get a whole
lot sweeter with our Power BI Dashboard Contest! Your mission, should you
choose to accept it: Craft the most EPIC dashboard for the Awesome Chocolates
CEO with sales & financial insights! Winners stand a chance to score up to
$500 in Amazon... | |
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# levels: Levels Attributes
## Description
` levels ` provides access to the levels attribut... | |
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# unlist: Flatten Lists
## Description
Given a list structure ` x ` , ` unlist ` simplifies ... | |
R_base_all/getting-started-simulating-data8_68_0.txt | As your simulation situation get more complicated, like if you are simulating
data from a blocked design or with multiple sizes of experimental units, you
may need more complicated patterns for your categorical variable. The ` each `
argument can be combined with ` times ` to first repeat each value elementwise
(via ` ... | |
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# quit: Terminate an R Session
## Description
The function ` quit ` or its alias ` q ` termi... | |
R_base_all/split-data-frame-string-column-into-multiple-columns0_207_0.txt | * What happens to the waste products from Crude Oil Refining?
* Where does length contraction occur towards?
* What does the block time represent?
* Wind needed to deflect a bullet
* Why does Ripley buy six train tickets?
* What is the source of this cheesy quote?
* Does the destination plant in Tra... | |
R_base_all/weighted-average-excel4_73_0.txt | Daniel Ferry
excelhero.com
Reply | |
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# is.object: Is an Object ‘internally classed’?
## Description
A function rather for interna... | |
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# nrow: The Number of Rows/Columns of an Array
## Description
` nrow ` and ` ncol ` return t... | |
R_base_all/R_base_all_197_1.txt | /dev2bitmap?package=base&version=3.6.2) ` , ` [ bitmap
](/link/bitmap?package=base&version=3.6.2) ` and ` [ embedFonts
](/link/embedFonts?package=base&version=3.6.2) ` . Consulted when those
functions are invoked. Since it will be treated as if passed to ` [ system
](/link/system?package=base&version=3.6.2) ` , spaces ... | |
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# dcf: Read and Write Data in DCF Format
## Description
Reads or writes an R object from/t... | |
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# do.call: Execute a Function Call
## Description
` do.call ` constructs and executes a func... | |
R_base_all/weighted-average-excel4_35_0.txt | Next How to calculate the Gender Pay Gap using Excel Formulas? (Free
Calculator Template) Next
### Welcome to Chandoo.org | |
R_base_all/R_base_all_351_2.txt | apply(v, f2, outer(1:3, 1:5), y = 2*(1:5))
stopifnot(dim(a2) == c(3,5,4), all.equal(a2, a.2),
identical(dimnames(a2), list(NULL,NULL,LETTERS[1:4])))
hist(replicate(100, mean(rexp(10))))
## use of replicate() with parameters:
foo <- function(x = 1, y = 2) c(x, y)
# does not wo... | |
R_base_all/weighted-average-excel4_53_0.txt | Featured
### VLOOKUP(), MATCH() and INDEX() – explained in plain English | |
R_base_all/R_base_all_317_1.txt | this code
](https://app.datacamp.com/workspace/preview?_tag=rdocs&rdocsPath=packages%2Fbase%2Fversions%2F3.6.2%2Ftopics%2Fprint&utm_source=r-docs&utm_medium=docs&utm_term=print&utm_content=run_example_in_workspace)
# NOT RUN {
require(stats)
ts(1:20) #-- print is the "Default function" --> ... | |
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# qr: The QR Decomposition of a Matrix
## Description
` qr ` computes the QR decomposition o... | |
R_base_all/R_base_all_90_1.txt | ` stderr ` will be sent to
the terminal unless ` ignore.stderr = TRUE ` . They can be captured (in the
most likely shells) by
system("some command 2>&1", intern = TRUE)
For GUIs, what happens to output sent to ` stdout ` or ` stderr ` if ` intern
= FALSE ` is interface-specific, and it is unsaf... | |
R_base_all/R_base_all_264_3.txt | ## all with same width (one more than the specified minimum)
## individual formatting to common width:
fc <- formatC(1.234 + 10^(0:8), format = "fg", width = 11, big.mark = "'")
cbind(fc)
## Powers of two, stored exactly, formatted individually:
pow.2 <- formatC(2^-(1:32), digits = 24, width ... | |
R_base_all/pandas.Series.str.split.html8_13_0.txt | Expand the split strings into separate columns.
* If ` True ` , return DataFrame/MultiIndex expanding dimensionality. | |
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# dontCheck: Identity Function to Suppress Checking
## Description
The ` dontCheck ` functio... | |
R_base_all/weighted-average-excel4_108_0.txt | 21. RAJU says:
September 2, 2011 at 3:37 pm | |
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# crossprod: Matrix Crossproduct
## Description
Given matrices ` x ` and ` y ` as arguments,... | |
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# sequence: Create A Vector of Sequences
## Description
For each element of ` nvec ` the seq... | |
R_base_all/split-data-frame-string-column-into-multiple-columns0_161_0.txt | Add a comment |
1 | |
R_base_all/R_base_all_38_1.txt | ng ` NULL ` removes the class attribute.
` unclass ` returns (a copy of) its argument with its class attribute removed.
(It is not allowed for objects which cannot be copied, namely environments and
external pointers.)
` inherits ` indicates whether its first argument inherits from any of the
classes specified in the... | |
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# nchar: Count the Number of Characters (or Bytes or Width)
## Description
` nchar ` takes a... | |
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# octmode: Display Numbers in Octal
## Description
Convert or print integers in octal format... | |
R_base_all/split-data-frame-string-column-into-multiple-columns0_187_0.txt | How to split column into two in R using separate
7 | |
R_base_all/getting-started-simulating-data8_14_0.txt | The ` n ` argument is the number of observations we want to generate. The `
mean ` and ` sd ` arguments show what the default values of the parameters are
(note that ` sd ` is the standard deviation , not the variance). Not all ` r
` functions have defaults to the parameter arguments like this.
To get 5 random numbe... | |
R_base_all/weighted-average-excel4_276_0.txt | * Hui... says:
October 24, 2013 at 11:47 pm | |
R_base_all/weighted-average-excel4_209_0.txt | * Hui says:
September 6, 2012 at 2:44 am | |
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# file.info: Extract File Information
## Description
Utility function to extract information... | |
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# chol: The Choleski Decomposition
## Description
Compute the Choleski factorization of a re... | |
R_base_all/split-data-frame-string-column-into-multiple-columns0_208_0.txt | Question feed
# Subscribe to RSS | |
R_base_all/split-data-frame-string-column-into-multiple-columns0_151_0.txt | 4
Another approach if you want to stick with ` strsplit() ` is to use the `
unlist() ` command. Here's a solution along those lines. | |
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# complex: Complex Numbers and Basic Functionality
## Description
Basic functions which supp... | |
R_base_all/split-data-frame-string-column-into-multiple-columns0_95_0.txt | * did this function get renamed to ` strsplit() ` ?
– user5359531 | |
R_base_all/weighted-average-excel4_52_0.txt | Excel Howtos
### How-to create Dependent Drop Downs in Excel [Dynamic & Multiple] | |
R_base_all/getting-started-simulating-data8_65_0.txt | ## Repeat each element a different number of times
Unlike ` each ` and ` length.out ` , we can use ` times ` with a vector of
values. This allows us to repeat each element of the character vector a
different number of times. This is one way to simulate unbalanced groups. | |
R_base_all/ts_moving_averages6_17_0.txt | ## Moving Averages of Moving Averages
The concept of simple moving averages can be extended to taking moving
averages of moving averages. This technique is often employed with an even
number of data points so that the final product is symmetric around each
point. For example, let’s look at the built-in data set ` ele... | |
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# mode: The (Storage) Mode of an Object
## Description
Get or set the type or storage mode o... | |
R_base_all/split-data-frame-string-column-into-multiple-columns0_148_0.txt | Share
Follow | |
R_base_all/weighted-average-excel4_79_0.txt | June 16, 2010 at 1:30 am
@Gregor
Have a look at
http://www.tech-
archive.net/Archive/Excel/microsoft.public.excel.worksheet.functions/2008-06/msg02179.html | |
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# EnvVar: Environment Variables
## Description
Details of some of the environment variables ... | |
R_base_all/weighted-average-excel4_192_0.txt | You need to be careful about weighting scores on the number of responses
Reply | |
R_base_all/getting-started-simulating-data8_67_0.txt |
rep(letters[1:2], times = c(2, 4) )
[1] "a" "a" "b" "b" "b" "b"
## Combining each with times | |
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# sort: Sorting or Ordering Vectors
## Description
Sort (or _order_ ) a vector or factor (pa... | |
R_base_all/R_base_all_295_1.txt | _medium=docs&utm_term=strsplit&utm_content=run_example_in_workspace)
# NOT RUN {
noquote(strsplit("A text I want to display with spaces", NULL)[[1]])
x <- c(as = "asfef", qu = "qwerty", "yuiop[", "b", "stuff.blah.yech")
# split x on the letter e
strsplit(x, "e")
unlist(strsp... | |
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# make.unique: Make Character Strings Unique
## Description
Makes the elements of a characte... | |
R_base_all/getting-started-simulating-data8_80_0.txt | We need to repeat the values in a way that every combination of ` group ` and
` factor ` is present in the dataset exactly one time.
Remember the ` group ` factor is repeated elementwise. | |
R_base_all/weighted-average-excel4_95_0.txt | Data:
Date Amount
01-Jan-11 1200
08-Mar-11 1000
05-Jun-11 1200
17-Mar-11 1500
30-Jun-11 1600 | |
R_base_all/weighted-average-excel4_207_0.txt | I am trying to create a weighted average for a series of tests with some
testing readministered on a second date. Not all tests are administered on
each testing. The workaround I have been using is to use a second matrix with
an if function, but I am curious if there is a more elegant solution. Sample
data is below:
W... | |
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# base-internal: Internal Objects in Package base
## Description
Internal objects in the ba... | |
R_base_all/split-data-frame-string-column-into-multiple-columns0_114_0.txt | answered Nov 1, 2017 at 17:26
Yannis P. Yannis P. | |
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# Sys.which: Find Full Paths to Executables
## Description
This is an interface to the syste... | |
R_base_all/Simulation.html9_14_0.txt | A binomial random variable represents the number of ‘successes’ (heads) in a
given number of independent ‘trials’ (coin flips). Therefore, we can generate
a single random variable that represents the number of heads in 100 flips of
our unfair coin using rbinom(1, size = 100, prob = 0.7). Note that you only
specify the ... | |
R_base_all/split-data-frame-string-column-into-multiple-columns0_102_0.txt | 192k 30 30 gold badges 410 410 silver badges 490 490 bronze badges
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R_base_all/pandas.Series.str.split.html8_2_0.txt | * Getting started
* User Guide
* API reference
* Development
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* GitHub
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* Mastodon | |
R_base_all/split-data-frame-string-column-into-multiple-columns0_22_0.txt | I'd like to take data of the form
before = data.frame(attr = c(1,30,4,6), type=c('foo_and_bar','foo_and_bar_2'))
attr type
1 1 foo_and_bar
2 30 foo_and_bar_2
3 4 foo_and_bar
4 6 foo_and_bar_2
| |
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# autoload: On-demand Loading of Packages
## Description
` autoload ` creates a promise-to-e... | |
R_base_all/split-data-frame-string-column-into-multiple-columns0_174_0.txt | Procedure
attach(before)
before$type2 <- gsub("(\\w*)_and_(\\w*)", "c('\\1', '\\2')", type)
#this recode the column type to c("blah", "blah") form
cbind(before,t(sapply(1:nrow(before), function(x) eval(parse(text=before$type2[x])))))
#this split the desired column into several ones n... | |
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# mat.or.vec: Create a Matrix or a Vector
## Description
` mat.or.vec ` creates an ` nr ` by... | |
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# CallExternal: Modern Interfaces to C/C++ code
## Description
Functions to pass R objects... | |
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# La_library: LAPACK Library
## Description
Report the name of the shared object file with `... | |
R_base_all/weighted-average-excel4_188_0.txt | Reply
* Hui... says: | |
R_base_all/R_base_all_252_1.txt | shQuote ](/link/shQuote?package=base&version=3.6.2) ` for quoting OS
commands.
## Examples
[ Run this code
](https://app.datacamp.com/workspace/preview?_tag=rdocs&rdocsPath=packages%2Fbase%2Fversions%2F3.6.2%2Ftopics%2FsQuote&utm_source=r-docs&utm_medium=docs&utm_term=sQuote&utm_content=run_example_in_workspace)
... | |
R_base_all/weighted-average-excel4_322_0.txt | […] Weighted Average in Excel – Formulas to Calculate Weighted … – Learn how
to calculate weighted averages in excel using formulas. In this article we
will learn what a weighted average is and how to Excel’s SUMPRODUCT formula
[…]
Reply | |
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# vector: Vectors
## Description
` vector ` produces a vector of the given length and mode.
... | |
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# all: Are All Values True?
## Description
Given a set of logical vectors, are all of the va... | |
R_base_all/split-data-frame-string-column-into-multiple-columns0_157_0.txt |
library(tidyr)
separate_wider_delim(before, type, delim = "_and_", names_sep = "_")
You could also use ` separate_wider_regex ` , but I'll leave that as an
exercise to the reader :-) |
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