by Suf | May 5, 2022 | Programming, R, Tips
In R, if you incorrectly pass data to the predict() function when evaluating a model, you will raise the error model.frame.default: ‘data’ must be a data.frame, environment, or list. The predict() function expects a data frame. You can solve this error by...
by Suf | May 5, 2022 | Programming, R, Tips
In R, if you perform an operation on objects with different lengths, you will get the warning message: longer object length is not a multiple of shorter object length. This warning happens specifically if the length of the longer object is not a multiple of the...
by Suf | May 4, 2022 | Programming, R, Tips
In R, the error: plot.window(…): need finite ‘ylim’ values occurs when you try to plot data that contains missing or non-numeric values on the y-axis. You will get a similar error: plot.window(…): need finite ‘xlim’ values if you...
by Suf | May 4, 2022 | Programming, R, Tips
In R, if you try to load a file that does not exist using load() function, you will raise the error Error in readchar(con, 5l, usebytes = true) : cannot open the connection. To solve this error you need to check that the file exists and that the spelling you used for...
by Suf | May 3, 2022 | Programming, R, Tips
In R, if you try to call a function and pass arguments that are not defined, you will raise the error: unused arguments. The error message will indicate which argument is unnecessary, and you can remove it to solve the error. If you are using a built-in function, you...
by Suf | May 2, 2022 | Programming, R, Tips
If you try to plot two variables and the variables do not have the same length, you will encounter the error: ‘x’ and ‘y’ lengths differ. You can solve this error by ensuring the variables have the same length or by plotting only up to where...
