by Suf | May 1, 2022 | Programming, R, Tips
If you try to access a column or row that does not exist, you will raise the error Subscript out of bounds. You can use nrows(matrix) to find the number of rows of a matrix, ncol(matrix) to find the number of columns in a matrix and dim(matrix) to find the number of...
by Suf | May 1, 2022 | Programming, R, Tips
If you try to index a function using square brackets [] or the dollar sign operator $, you will raise the error: object of type ‘closure’ is not subsettable. This error typically occurs when using square brackets to subset a function mistaken for a...
by Suf | May 1, 2022 | Programming, R, Tips
If you try to read a CSV file in R but the file name or directory that the file is in does not exist, you will raise the Error in file(file, “rt”) cannot open the connection. If the file does exist, you can either change your working directory to location...
by Suf | May 1, 2022 | Programming, R, Tips
If you try to use the rbind() to row bind two data frames with mismatching column names, you will raise the error names do not match previous names. You can solve this error by renaming the columns of one of the data frames to match the other using the names()...
by Suf | May 1, 2022 | Programming, R, Tips
If you try to use the $ operator to access an element of an atomic vector, you will raise the error $ operator is invalid for atomic vectors. You can solve this error by using single [] or double square brackets [[]], use the getElement() function, or convert the...
