One error you may encounter in R is: Error in select(., cyl, mpg) : unused arguments (cyl, mpg) This error occurs when you attempt to…

# Author: Zach

You can use the following methods to turn off scientific notation in R; Method 1: Turn off scientific notation as global setting options(scipen=999) Method 2:…

A confidence interval represents a range of values that is likely to contain some population parameter with a certain level of confidence. This tutorial explains…

The easiest way to import SPSS files into R is to use the read_sav() function from the haven library. This function uses the following basic…

The easiest way to import .dta files into R is to use the read_dta() function from the haven library. This function uses the following basic…

A five number summary is a way to summarize a dataset using the following five values: The minimum The first quartile The median The third quartile The…

The easiest way to import SAS files into R is to use the read_sas() function from the haven library. This function uses the following basic…

You can use the following basic syntax to select columns by index in R: #select specific columns by index df[ , c(1, 4)] #select specific…

You can use the replicate() function to repeatedly evaluate some expression in R a certain number of times. This function uses the following basic syntax:…

You can use the following syntax to plot multiple histograms on the same chart in base R: hist(data1, col=’red’) hist(data2, col=’blue’, add=TRUE) And you can…