qqplot and qqline in loop-CodePudding

i am trying to make a loop for each columns in the database. i am getting this Error: Must use a vector in [, not an object of class matrix. my data looks like this: and this is my code:

for (q in 1:ncol(flat_file_numeric[])) {   
    qqnorm(flat_file_numeric[,q])
    qqline(flat_file_numeric[,q], col= "steelblue",lwd=2)}

i will appreciate any help. thanks.

CodePudding user response：

Without some actual data is it hard to be sure, but from the error message it looks like some problem with the data itself.

I would start by trying this prior to the loop:

flat_file_numeric <- as.data.frame(flat_file_numeric)