na_only_end_rows: Check 'NA' pattern in matrix

In Karel-Kroeze/ShadowCAT: Multidimensional Computer Adaptive Testing with the Shadow Testing Procedure

Description

Check whether NA's exist only at the end of each row, that is, whether there are no values after the first NA in the row.

Usage

na_only_end_rows(x)

Arguments

x

Matrix.

Value

TRUE if there are only NA's at the end of each row or no NA at all; FALSE otherwise.

Examples

ShadowCAT:::na_only_end_rows(matrix(c(1:3, NA, NA, 1:5, 1:4, NA), ncol = 5, byrow = TRUE))
ShadowCAT:::na_only_end_rows(matrix(c(1:3, NA, NA, 1:2, NA, 4:5, 1:4, NA), ncol = 5, byrow = TRUE))

Karel-Kroeze/ShadowCAT documentation built on May 7, 2019, 12:28 p.m.