| fast_apply_nb_na {imp4p} | R Documentation |
apply(X,dim,function(x)sum(is.na(x))).
This function is similar to the function apply(X,dim,function(x)sum(is.na(x))) but written thanks to the Rcpp package and therefore faster than apply(X,dim,function(x)sum(is.na(x))).
fast_apply_nb_na(X, dim)
X |
A data matrix containing numeric and missing values. |
dim |
A numeric value: 1 if the number of missing values has to be computed for each row of |
A numeric vector containing the number of missing values in either each row or each column of X.
Quentin Giai Gianetto <quentin2g@yahoo.fr>
## The function is currently defined as
##function (X, dim)
##{
## .Call("imp4p_fast_apply_nb_na", PACKAGE = "imp4p", X, dim)
## }