EViews Help: @cnas

@cnas

Number of NA values in each column of a matrix.

Syntax: @cnas(m)

m: matrix

Return: vector

Returns a vector containing the number of missing values in each column of the matrix m.

Examples

Let M1 be an

lower triangular matrix whose

elements above the main diagonal are NAs. In this case,

= @cnas(m1)

returns a column vector whose elements are the integers 0, 1, ...,

Cross-references