equality: A stronger element-wise equality operators

In LearningToTalk/L2TDatabase: Helper Functions for the Learning-To-Talk 'MySQL' Database

Description

These operators work like == or != but they handle comparison with NA values. 1 %===% NA is FALSE and NA %===% NA is TRUE.

Usage

x %===% y

x %!==% y

Arguments

x, y	vectors to be compared. They must have the same length.

Value

%===% returns TRUE wherever is x[i] the same as y[i] and %!==% returns FALSE wherever is x[i] the same as y[i].

Examples

1:3  %===% 1:3
#> [1] TRUE TRUE TRUE

1:3 %===% 4:6
#> [1] FALSE FALSE FALSE

c(NA, NaN) %===% c(NA, NaN)
#> [1] TRUE TRUE

c(NA, 1) %===% c(1, NA)
#> [1] FALSE FALSE

LearningToTalk/L2TDatabase documentation built on June 24, 2020, 3:45 a.m.