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How to interpret regression results in R?. The lm() utility in R can be used to fit a linear regression model. The summary() command can then be used to view the regression model’s output....

How to add Circles in Plots in R?. To draw a circle in a plot in R, use the following methods. Approach 1: Using Base R, draw a circle. library(plotrix) Syntax for creating scatter...

How to deal with the class imbalance in R, when dealing with machine learning methods, the classes in the dataset are frequently uneven. Consider the following scenario: According to a dataset containing information on...

Ordinary Least Squares Regression Alternative in R, when there are outliers or influential observations in the dataset we’re dealing with, we might utilize robust regression as an alternative to regular least squares regression. In...

How to determine if a time series is stationery?, To see if a time series is trend stationary, apply the KPSS test. The following null and alternative hypotheses are used in this test: H0:...

Error in if x<100 missing value where true/false needed, when using R, you could see this message: If (x<100) fails with an error: the argument is of zero length. This mistake typically arises when...

How to Use Italic text in R, To create an italic typeface in R plots, use the following basic syntax. substitute(paste(italic(‘text is italic’))) How to Use Italic text in R The examples below demonstrate...

Add calculated variables in R, To add new calculated variables to a data frame and remove all old variables, use the transmute() function in R. The following is the fundamental syntax for this function....