What is Random Sampling and How to run it in R
We will walk you through how to run random sampling in R, but first lets discuss what is random sampling and why is it...
R Programming: Example of how to write a function in R
What is a function? A function allows you to create a program that has a set of instructions that you use repeatedly or contains...
How to use the quantile function in R
The quantile function in R displays sample quantiles corresponding to given probabilities. The smallest observation corresponds to a probability of 0 and the largest...
Histogram in R: How to example using NFL QB data
A histogram in R is very useful to use when you want to see more detail on all of the data within your data...
Solved: Error: could not find function “cast”
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....
Fix: sudo: port: command not found
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...
Solved: SSL: certificate verification failed with R and twitteR
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 use the str function in R
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 Studio: How to replace row header names with your names
Check out the solution to this problem on the new data science solutions site I created Stathole.com.
How to: Create column names in R / R Studio
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...
