[R] Error in var(x, na.rm = na.rm) : no complete element pairs

[Carlos Morales]

Hello all,

I'm trying to calculate the standar desviation and I'm using the function sd(x,na.rm=TRUE) and I have this error:  Error in var(x, na.rm = na.rm) : no complete element pairs . Why happen this?, What can I do to solve it?. x is list of three numbers which I have from a table.


Thanks so much from Spain
Carlos Morales Diego