Web Reference: In R, one of the solutions to fix the ‘invalid subscript type list’ error is to convert the list to a valid subscript type, such as a vector. The unlist() function can be used for this purpose, which unpacks the contents of an R list into an R vector. May 8, 2017 · We need to use concatenate to create a vector instead of list. and if we are using list, then unlist it to create a vector as data.frame takes a vector of column names (column index) or row names (row index) to subset the columns or rows. R Error in .subset (x, j) : invalid subscript type ‘list’ (Example) In this tutorial you’ll learn how to solve the Error in .subset (x, j) : invalid subscript type ‘list’ in the R programming language.
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