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A Practical approach to Simple Linear Regression using R - GeeksforGeeks	29 Sep, 2021 Simple Linear Regression is a statistical method that allows us to summarize and study relationships between two continuous (quantitative) variables. One variable denoted x is regarded as an independent variable and other one denoted y is regarded as a dependent variable. It is assumed that the two variabl...	[ { "code": null, "e": 23979, "s": 23951, "text": "\n29 Sep, 2021" }, { "code": null, "e": 24472, "s": 23979, "text": "Simple Linear Regression is a statistical method that allows us to summarize and study relationships between two continuous (quantitative) variables. One variable ...
How to list directory tree structure in python?	You can use the os.walk() method to get the list of all children of path you want to display the tree of. Then you can join the paths and get the absolute path of each file. import os def tree_printer(root): for root, dirs, files in os.walk(root): for d in dirs: print os.path.join(root, d) ...	[ { "code": null, "e": 1236, "s": 1062, "text": "You can use the os.walk() method to get the list of all children of path you want to display the tree of. Then you can join the paths and get the absolute path of each file." }, { "code": null, "e": 1463, "s": 1236, "text": "import o...
Excel Add Cells	Columns can be added and deleted. You access the menu by right clicking the column letter. New columns are added to the same place you clicked. Let's try to create a new column B. Right click on the column and select "Insert Columns": And a new column is created: Next, we need to get some Pokemon trainers in there. Typ...	[ { "code": null, "e": 144, "s": 0, "text": "Columns can be added and deleted. You access the menu by right clicking the column letter. New columns are added to the same place you clicked." }, { "code": null, "e": 180, "s": 144, "text": "Let's try to create a new column B." }, ...
How to Launch an application from another application on Android	In android, we can lunch other applications using packing name. This example demonstrate about How to Launch an application from another application on Android. Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project. Step 2 − Add the following cod...	[ { "code": null, "e": 1223, "s": 1062, "text": "In android, we can lunch other applications using packing name. This example demonstrate\nabout How to Launch an application from another application on Android." }, { "code": null, "e": 1352, "s": 1223, "text": "Step 1 − Create a ne...
Go Variables	Variables are containers for storing data values. In Go, there are different types of variables, for example: int- stores integers (whole numbers), such as 123 or -123 float32- stores floating point numbers, with decimals, such as 19.99 or -19.99 string - stores text, such as "Hello World". String values are surrounded...	[ { "code": null, "e": 50, "s": 0, "text": "Variables are containers for storing data values." }, { "code": null, "e": 110, "s": 50, "text": "In Go, there are different types of variables, for example:" }, { "code": null, "e": 168, "s": 110, "text": "int- stores...
The Quick Guide To Using Environment Variables in Python \| by Yash Prakash \| Towards Data Science	In our day to day work, we have all come across the need to hide specific things from our app before sharing them on a public version control system, like Git. You could be dealing with your SQL database names and URLs, their passwords, some secret keys associated with AWS or Google Cloud Platform user groups, API secr...	[ { "code": null, "e": 332, "s": 172, "text": "In our day to day work, we have all come across the need to hide specific things from our app before sharing them on a public version control system, like Git." }, { "code": null, "e": 515, "s": 332, "text": "You could be dealing with ...
How to get the value of an Entry widget in Tkinter?	Let us suppose that we have created an Entry widget and we want to get the value of it. In this case, we can use the .get() method. It maps the input object into a variable which can be used further to print or display the entered value. In this example, we will create an application that will display the input text th...	[ { "code": null, "e": 1300, "s": 1062, "text": "Let us suppose that we have created an Entry widget and we want to get the value of it. In this case, we can use the .get() method. It maps the input object into a variable which can be used further to print or display the entered value." }, { "...
How to perform Case Insensitive matching with JavaScript RegExp?	To perform case-insensitive matching, use the I modifier available in JavaScript Regular Expression. You can try to run the following code for case-insensitive matching − <html> <head> <title>JavaScript Regular Expression</title> </head> <body> <script> var myStr = "Welcome to the website!...	[ { "code": null, "e": 1163, "s": 1062, "text": "To perform case-insensitive matching, use the I modifier available in JavaScript Regular Expression." }, { "code": null, "e": 1233, "s": 1163, "text": "You can try to run the following code for case-insensitive matching −" }, { ...
Hard ROC: Really Understanding & Using ROC and AUC \| Towards Data Science	The ROC graphs generating code used in this post is available as part of the dython library, which can be found on my GitHub page. Examples seen in this post are also available as a notebook. Assessing the predictions of any machine-learning model is probably the most important task of a Data Scientist — perhaps even m...	[ { "code": null, "e": 364, "s": 172, "text": "The ROC graphs generating code used in this post is available as part of the dython library, which can be found on my GitHub page. Examples seen in this post are also available as a notebook." }, { "code": null, "e": 681, "s": 364, "te...
A Bayesian Approach to Time Series Forecasting \| by Daniel Foley \| Towards Data Science	Today we are going to implement a Bayesian linear regression in R from scratch and use it to forecast US GDP growth. This post is based on a very informative manual from the Bank of England on Applied Bayesian Econometrics. I have translated the original Matlab code into R since its open source and widely used in data ...	[ { "code": null, "e": 564, "s": 47, "text": "Today we are going to implement a Bayesian linear regression in R from scratch and use it to forecast US GDP growth. This post is based on a very informative manual from the Bank of England on Applied Bayesian Econometrics. I have translated the original M...
Tryit Editor v3.7 - Show Java	static void Main(string[] args) { string firstName = "John"; string lastName = "Doe"; string name = $"My full name is: {firstName} {lastName}";	[]
Git - Create Operation	In this chapter, we will see how to create a remote Git repository; from now on, we will refer to it as Git Server. We need a Git server to allow team collaboration. # add new group [root@CentOS ~]# groupadd dev # add new user [root@CentOS ~]# useradd -G devs -d /home/gituser -m -s /bin/bash gituser # change password...	[ { "code": null, "e": 2211, "s": 2045, "text": "In this chapter, we will see how to create a remote Git repository; from now on, we will refer to it as Git Server. We need a Git server to allow team collaboration." }, { "code": null, "e": 2399, "s": 2211, "text": "# add new group\...
Python \| Print an Inverted Star Pattern - GeeksforGeeks	31 Dec, 2020 Here we are going to print inverted star pattern of desired sizes.Examples: 1) Below is the inverted star pattern of size n=5 (Because there are 5 horizontal lines or rows consist of stars). *** * ** * 2) Below is the inverted star pattern of size n=10 (Because...	[ { "code": null, "e": 24284, "s": 24256, "text": "\n31 Dec, 2020" }, { "code": null, "e": 24360, "s": 24284, "text": "Here we are going to print inverted star pattern of desired sizes.Examples:" }, { "code": null, "e": 24793, "s": 24360, "text": "1) Below is th...
Python \| Check if substring is part of List of Strings - GeeksforGeeks	30 Jun, 2019 Many problems of substrings have been dealt with many times. There can also be such problem in which we require to check if argument string is a part of any of the strings coming in the input list of strings. Let’s discuss various ways in which this can be performed. Method #1 : Using join()The basic appro...	[ { "code": null, "e": 24292, "s": 24264, "text": "\n30 Jun, 2019" }, { "code": null, "e": 24560, "s": 24292, "text": "Many problems of substrings have been dealt with many times. There can also be such problem in which we require to check if argument string is a part of any of the...
Python SQLite - Update Table	UPDATE Operation on any database implies modifying the values of one or more records of a table, which are already available in the database. You can update the values of existing records in SQLite using the UPDATE statement. To update specific rows, you need to use the WHERE clause along with it. Following is the synt...	[ { "code": null, "e": 3431, "s": 3205, "text": "UPDATE Operation on any database implies modifying the values of one or more records of a table, which are already available in the database. You can update the values of existing records in SQLite using the UPDATE statement." }, { "code": null,...
Python Generate successive element difference list	In this as its elements article we will see how to find the difference between the two successive elements for each pair of elements in a given list. The list has only numbers as its elements. Using the index of the elements along with the for loop, we can find the difference between the successive pair of elements. L...	[ { "code": null, "e": 1255, "s": 1062, "text": "In this as its elements article we will see how to find the difference between the two successive elements for each pair of elements in a given list. The list has only numbers as its elements." }, { "code": null, "e": 1380, "s": 1255, ...
Using Deep Learning for Structured Data with Entity Embeddings \| by Rutger Ruizendaal \| Towards Data Science	Showing that deep learning can handle structured data and how to do it. In this blog we will touch on two recurring questions in machine learning: The first question revolves around how deep learning performs well on images and text, but how can we use it on our tabular data? Second is a question you must always ask yo...	[ { "code": null, "e": 244, "s": 172, "text": "Showing that deep learning can handle structured data and how to do it." }, { "code": null, "e": 691, "s": 244, "text": "In this blog we will touch on two recurring questions in machine learning: The first question revolves around how ...
Python \| Update each element in tuple list - GeeksforGeeks	21 Nov, 2019 Sometimes, while working with data, we can have a problem in which we need to perform update operations on tuples. This can have applications across many domains such as web development. Let’s discuss certain ways in which this task can be performed. Method #1 : Using list comprehensionThis is shorthand to...	[ { "code": null, "e": 24498, "s": 24470, "text": "\n21 Nov, 2019" }, { "code": null, "e": 24749, "s": 24498, "text": "Sometimes, while working with data, we can have a problem in which we need to perform update operations on tuples. This can have applications across many domains s...
Angular CLI - ng update Command	This chapter explains the syntax, argument and options of ng update command along with an example. The syntax for ng update command is as follows − ng update [options] ng update command updates the application and its dependencies. The argument for ng update command is as follows − Options are optional parameters. De...	[ { "code": null, "e": 2174, "s": 2075, "text": "This chapter explains the syntax, argument and options of ng update command along with an example." }, { "code": null, "e": 2223, "s": 2174, "text": "The syntax for ng update command is as follows −" }, { "code": null, "e...
Topological sort \| Practice \| GeeksforGeeks	Given a Directed Acyclic Graph (DAG) with V vertices and E edges, Find any Topological Sorting of that Graph. Example 1: Input: Output: 1 Explanation: The output 1 denotes that the order is valid. So, if you have, implemented your function correctly, then output would be 1 for all test cases. One possible Topological...	[ { "code": null, "e": 348, "s": 238, "text": "Given a Directed Acyclic Graph (DAG) with V vertices and E edges, Find any Topological Sorting of that Graph." }, { "code": null, "e": 360, "s": 348, "text": "\nExample 1:" }, { "code": null, "e": 595, "s": 360, "te...
Rearrange characters in a string such that no two adjacent are same using hashing	24 May, 2022 Given a string str with repeated characters, the task is to rearrange the characters in a string such that no two adjacent characters are same. If it is possible then print Yes else print No.Examples: Input: str = “geeksforgeeks” Output: Yes “egeksforegeks” is one such arrangement. Input: str = “bbbbb” Ou...	[ { "code": null, "e": 52, "s": 24, "text": "\n24 May, 2022" }, { "code": null, "e": 254, "s": 52, "text": "Given a string str with repeated characters, the task is to rearrange the characters in a string such that no two adjacent characters are same. If it is possible then print Y...
Python – API.search_users() in Tweepy	05 Jun, 2020 Twitter is a popular social network where users share messages called tweets. Twitter allows us to mine the data of any user using Twitter API or Tweepy. The data will be tweets extracted from the user. The first thing to do is get the consumer key, consumer secret, access key and access secret from twitte...	[ { "code": null, "e": 54, "s": 26, "text": "\n05 Jun, 2020" }, { "code": null, "e": 454, "s": 54, "text": "Twitter is a popular social network where users share messages called tweets. Twitter allows us to mine the data of any user using Twitter API or Tweepy. The data will be twe...
Python \| Pandas Index.copy()	12 Jan, 2022 Python is a great language for doing data analysis, primarily because of the fantastic ecosystem of data-centric python packages. Pandas is one of those packages and makes importing and analyzing data much easier. Pandas Index.copy() function make a copy of this object. The function also sets the name and ...	[ { "code": null, "e": 28, "s": 0, "text": "\n12 Jan, 2022" }, { "code": null, "e": 242, "s": 28, "text": "Python is a great language for doing data analysis, primarily because of the fantastic ecosystem of data-centric python packages. Pandas is one of those packages and makes imp...
How to subtract two images using Python-OpenCV ?	28 Dec, 2021 In this article, we are going to see how to subtract two images using OpenCV in Python. Now, before getting into the topic we shall discuss some of the use cases of Arithmetic operations. Arithmetic operations like addition and subtraction can help us to make images brighter or darker. Specifically, subtra...	[ { "code": null, "e": 28, "s": 0, "text": "\n28 Dec, 2021" }, { "code": null, "e": 116, "s": 28, "text": "In this article, we are going to see how to subtract two images using OpenCV in Python." }, { "code": null, "e": 619, "s": 116, "text": "Now, before gettin...
ASP.NET MVC - Razor	In this chapter, we will look at the Razor view engine in ASP.NET MVC applications and some of the reasons why Razor exists. Razor is a markup syntax that lets you embed server-based code into web pages using C# and VB.Net. It is not a programming language. It is a server side markup language. Razor has no ties to ASP....	[ { "code": null, "e": 2564, "s": 2269, "text": "In this chapter, we will look at the Razor view engine in ASP.NET MVC applications and some of the reasons why Razor exists. Razor is a markup syntax that lets you embed server-based code into web pages using C# and VB.Net. It is not a programming langu...
\implies - Tex Command	\implies - Used to draw implies symbol. { \implies } \implies command draws implies symbol. P\implies Q P⟹Q P\implies Q P⟹Q P\implies Q 14 Lectures 52 mins Ashraf Said 11 Lectures 1 hours Ashraf Said 9 Lectures 1 hours Emenwa Global, Ejike IfeanyiChukwu 29 Lectures ...	[ { "code": null, "e": 8026, "s": 7986, "text": "\\implies - Used to draw implies symbol." }, { "code": null, "e": 8039, "s": 8026, "text": "{ \\implies }" }, { "code": null, "e": 8078, "s": 8039, "text": "\\implies command draws implies symbol." }, { "c...
HTML \| <tr> align Attribute - GeeksforGeeks	22 Feb, 2022 The HTML <tr> align Attribute is used to set the horizontal alignment of text content inside the table row. It is not supported by HTML 5. Syntax: <tr align= "left \| right \| center \| justify \| char"> Attribute Values: left: It sets the text left-align. right: It sets the text right-align. center: It sets t...	[ { "code": null, "e": 24766, "s": 24738, "text": "\n22 Feb, 2022" }, { "code": null, "e": 24905, "s": 24766, "text": "The HTML <tr> align Attribute is used to set the horizontal alignment of text content inside the table row. It is not supported by HTML 5." }, { "code": nu...
AngularJS - Directives	AngularJS directives are used to extend HTML. They are special attributes starting with ng-prefix. Let us discuss the following directives − ng-app − This directive starts an AngularJS Application. ng-app − This directive starts an AngularJS Application. ng-init − This directive initializes application data. ng-init − ...	[ { "code": null, "e": 2840, "s": 2699, "text": "AngularJS directives are used to extend HTML. They are special attributes starting with ng-prefix. Let us discuss the following directives −" }, { "code": null, "e": 2897, "s": 2840, "text": "ng-app − This directive starts an Angular...
Difference between int (p)[3] and int p[3]? - GeeksforGeeks	24 Nov, 2020 Pointers store the address of variables or a memory location. Pointers are a symbolic representation of addresses. They enable programs to simulate call-by-reference as well as to create and manipulate dynamic data structures. Its general declaration in C/C++ has the format: Syntax: datatype *var_name; Ex...	[ { "code": null, "e": 24122, "s": 24094, "text": "\n24 Nov, 2020" }, { "code": null, "e": 24398, "s": 24122, "text": "Pointers store the address of variables or a memory location. Pointers are a symbolic representation of addresses. They enable programs to simulate call-by-referen...
json.load() in Python - GeeksforGeeks	23 Mar, 2020 The full-form of JSON is JavaScript Object Notation. It means that a script (executable) file which is made of text in a programming language, is used to store and transfer the data. Python supports JSON through a built-in package called json. To use this feature, we import the json package in Python scrip...	[ { "code": null, "e": 24278, "s": 24250, "text": "\n23 Mar, 2020" }, { "code": null, "e": 24736, "s": 24278, "text": "The full-form of JSON is JavaScript Object Notation. It means that a script (executable) file which is made of text in a programming language, is used to store and...
How to load CSS and JS files dynamically ? - GeeksforGeeks	08 Dec, 2021 Generally, the CSS and JS files are included statically with HTML code. It means they are written in the script or the link tag in the HTML code. But this slows down the execution as a bulk of code is loaded unnecessarily. It may or may not use the functionality related to that DOM element. So dynamically...	[ { "code": null, "e": 25300, "s": 25272, "text": "\n08 Dec, 2021" }, { "code": null, "e": 25691, "s": 25300, "text": "Generally, the CSS and JS files are included statically with HTML code. It means they are written in the script or the link tag in the HTML code. But this slows d...
How to return only a single property “_id” in MongoDB?	Following is the syntax to return only a single property _id in MongoDB db.yourCollectionName.find({}, {"_id": 1}).pretty(); Let us first create a collection with documents > db.singlePropertyIdDemo.insertOne({"_id":101,"UserName":"Larry","UserAge":21}); { "acknowledged" : true, "insertedId" : 101 } > db.singleProperty...	[ { "code": null, "e": 1134, "s": 1062, "text": "Following is the syntax to return only a single property _id in MongoDB" }, { "code": null, "e": 1187, "s": 1134, "text": "db.yourCollectionName.find({}, {\"_id\": 1}).pretty();" }, { "code": null, "e": 1235, "s": 118...
What is the importance of _isEqual() method in JavaScript?	_isEqual() is from the underscore and lodash library of javascript. It is used to compare javascript objects. The importance of this method is that it doesn't care about the order of properties while comparing the objects. It only checks whether the properties in the two objects are equal or not. Whereas JSON.stringify...	[ { "code": null, "e": 1516, "s": 1062, "text": "_isEqual() is from the underscore and lodash library of javascript. It is used to compare javascript objects. The importance of this method is that it doesn't care about the order of properties while comparing the objects. It only checks whether the pro...
Android Sensors with Example - GeeksforGeeks	08 Feb, 2022 In our childhood, we all have played many android games like Moto Racing and Temple run in which by tilting the phone the position of the character changes. So, all these happen because of the sensors present in your Android device. Most Android-powered devices have built-in sensors that measure motion, or...	[ { "code": null, "e": 25142, "s": 25114, "text": "\n08 Feb, 2022" }, { "code": null, "e": 25697, "s": 25142, "text": "In our childhood, we all have played many android games like Moto Racing and Temple run in which by tilting the phone the position of the character changes. So, al...
Matplotlib legends in subplot	To add legends in a subplot, we can take the following Steps − Using numpy, create points for x, y1, y2 and y3. Using numpy, create points for x, y1, y2 and y3. Create a figure and a set of subplots, using the subplots() method, considering 3 subplots. Create a figure and a set of subplots, using the subplots() method,...	[ { "code": null, "e": 1125, "s": 1062, "text": "To add legends in a subplot, we can take the following Steps −" }, { "code": null, "e": 1174, "s": 1125, "text": "Using numpy, create points for x, y1, y2 and y3." }, { "code": null, "e": 1223, "s": 1174, "text": ...
EOF, getc() and feof() in C	EOF stands for End of File. The function getc() returns EOF, on success.. Here is an example of EOF in C language, Let’s say we have “new.txt” file with the following content. This is demo! This is demo! Now, let us see the example. #include <stdio.h> int main() { FILE *f = fopen("new.txt", "r"); int c = getc(f);...	[ { "code": null, "e": 1136, "s": 1062, "text": "EOF stands for End of File. The function getc() returns EOF, on success.." }, { "code": null, "e": 1177, "s": 1136, "text": "Here is an example of EOF in C language," }, { "code": null, "e": 1238, "s": 1177, "text...
How to extract unique combinations of two or more variables in an R data frame?	An R data frame can have a large number of categorical variables and these categorical form different combinations. For example, one value of a variable could be linked with two or more values of the other variable. Also, one categorical variable can have all unique categories. We can find this unique combination for a...	[ { "code": null, "e": 1463, "s": 1062, "text": "An R data frame can have a large number of categorical variables and these categorical form different combinations. For example, one value of a variable could be linked with two or more values of the other variable. Also, one categorical variable can ha...
How to print duplicate rows in a table? - GeeksforGeeks	21 Jun, 2018 In the above table, we can find duplicate row using below query. SELECT name, section FROM tbl GROUP BY name, section HAVING COUNT(*) > 1 Another Example:Given a table named PERSON task is to write an SQL query to find all duplicate name in the table.Example : +----+---------+ \| Id \| NAME \| +----+-----...	[ { "code": null, "e": 23859, "s": 23831, "text": "\n21 Jun, 2018" }, { "code": null, "e": 23924, "s": 23859, "text": "In the above table, we can find duplicate row using below query." }, { "code": null, "e": 23998, "s": 23924, "text": "SELECT name, section FROM...
How to sort the objects in a list in Python?	To sort a list of ints, floats, strings, chars or any other class that has implemented the __cmp__ method can be sorted just by calling sort on the list. If you want to sort the list in reverse order(descending), just pass in the reverse parameter as well. my_list = [1, 5, 2, 6, 0] my_list.sort() print(my_list) my_lis...	[ { "code": null, "e": 1320, "s": 1062, "text": "To sort a list of ints, floats, strings, chars or any other class that has implemented the __cmp__ method can be sorted just by calling sort on the list. If you want to sort the list in reverse order(descending), just pass in the reverse parameter as we...
Rotate div to -20 degrees angle with CSS	You can try to run the following code to rotate div to -20 degrees angle with CSS − Live Demo <html> <head> <style> div { width: 300px; height: 100px; background-color: pink; border: 1px solid black; } div#myDiv { /* IE 9 *...	[ { "code": null, "e": 1146, "s": 1062, "text": "You can try to run the following code to rotate div to -20 degrees angle with CSS −" }, { "code": null, "e": 1157, "s": 1146, "text": " Live Demo" }, { "code": null, "e": 1775, "s": 1157, "text": "<html>\n <head...