by Suf | Jul 10, 2022 | Programming, R, Tips
This error occurs when you try to plot the variables from a data frame but specify a numeric vector instead of a data frame for the data argument. You can solve this error by passing the data frame as the data argument for the ggplot() function call. This tutorial...
by Suf | Jun 21, 2022 | Programming, R, Tips
This error occurs when you try to fit a model, and one or more of the variables is a list instead of a vector. You can solve this error by converting the list to a vector using the unlist() function. For example, x <- list(2, 5, 5, 6, 7, 11, 2, 3, 5) y <- c(4,...
by Suf | May 31, 2022 | Programming, R, Tips
This tutorial will go through adding the regression line equation and R-squared to a plot in R with code examples. Table of contentsWhat is the Regression Equation?What is the R-Squared Value?Example: Using ggpubrCreate DataPlot Data and Add Regression EquationPlot...
by Suf | May 30, 2022 | Programming, R, Tips
This error occurs when you call the rep function to replicate data, but the value you provide to replicate the number is not a positive real number. You can solve this problem by ensuring that the number is a single, positive real number. This tutorial will go through...
by Suf | May 29, 2022 | Programming, R, Tips
The pipe operator, %>%, is a special function available under the magrittr package that allows you to pass the result of one function/argument to the other one in sequence. To use the pipe operator, you need to install and load the magrittr package....
