Monday, July 22, 2024

How to merge data frames in R

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You will find occasions when you'll need to merge data from two different data frames. In order to merge two datasets you are required...
data science

Solved: Error: could not find function “cast”

1
If you've been trying to cast in R and have run into the following error: Error: could not find function "cast" Then here is the solution....
r programming

R Programming: Example of how to write a function in R

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What is a function? A function allows you to create a program that has a set of instructions that you use repeatedly or contains...

Solved: SSL: certificate verification failed with R and twitteR

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Have you been trying to use R and hook it up with something like twitteR and got an SSL error message? Me too. But I...

How to Import Data as CSV into R

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There are a few different ways to import data into R. We will cover two ways in this post, downloading a file from the...
r programming

How to use the str function in R

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What is str? Str is a compact way to display the structure of an R object. This allows you to use str as a...
r programming

How to: Create column names in R / R Studio

0
If you want to create your own headers there is an easy way to do that. You can use the optional col.names argument to...

Fix: sudo: port: command not found

6
I'm trying to setup Python 2.7 and SciPy and hit a major roadblock. I kept getting sudo: port: command not found On Mac OSX, I'm...
r programming

How to learn R programming

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If you've wanted to learn R programming but didn't know where to start there is a great R packaged called Swirl that teaches you...
r programming

How to program a For Loop in R

1
Just apply! What does that even mean? Well, some R programmers will tell you to use the apply function (lapply or sapply) to loop....
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