by Suf | May 7, 2022 | Programming, R, Tips
This error occurs if you use a numeric variable for the fill, color, and shape aesthetics in ggplot when it expects a factor variable. You can solve this error by using a factor class variable as the grouping variable. You can convert numeric values to factor using...
by Suf | May 7, 2022 | Programming, R, Tips
If you try to aggregate a data frame and do not explicitly define the column to aggregate by, you will raise the error: aggregate.data.frame(as.data.frame(x), …): arguments must have same length. This error typically occurs if you use quotation marks to specify...
by Suf | May 7, 2022 | Programming, R, Tips
This error occurs when you try to specify the fill colours when using ggplot2, but the number of colours is not 1 or different from the total number of plots to fill. To solve this error you can either specify one fill colour argument or ensure the total number of...
by Suf | May 7, 2022 | Programming, R, Tips
This error occurs when trying to fit a linear regression model in R using the lm() function but either the predictor or response variables contain Not a Number (NaN) or infinity (Inf) values. You can solve this error by replacing the NaN and Inf values with NA values,...
by Suf | May 7, 2022 | Programming, R, Tips
If you are using the ggplot2 package to visualize data and forget to use a plus sign in the code, you will encounter the error: cannot add ggproto plots together. This tutorial will go through how to solve the error with code examples. Table of...
by Suf | May 7, 2022 | Programming, R, Tips
This error occurs if you put the else statement on a new line after an if statement. R interprets the if statement as complete and does not expect an else. You can solve this error by enclosing the entire if/else statement in braces/curly brackets {} or put the else...
