Split array element values into two groups.
var bifurcateValues = require( '@stdlib/array/base/bifurcate-values' );Splits array element values into two groups.
var x = [ 'beep', 'boop', 'foo', 'bar' ];
var filter = [ true, true, false, true ];
var out = bifurcateValues( x, filter );
// returns [ [ 'beep', 'boop', 'bar' ], [ 'foo' ] ]- If an element in
filteris truthy, the corresponding element in the input arrayxbelongs to the first group; otherwise, the input array element belongs to the second group.
var discreteUniform = require( '@stdlib/random/array/discrete-uniform' );
var take = require( '@stdlib/array/base/take-indexed' );
var bifurcateValues = require( '@stdlib/array/base/bifurcate-values' );
// Define an initial array of values:
var values = [ 'beep', 'boop', 'foo', 'bar', 'woot', 'woot' ];
// Sample from the initial array to generate a random collection:
var indices = discreteUniform( 100, 0, values.length-1, {
'dtype': 'generic'
});
var x = take( values, indices );
// returns [...]
// Randomly assign collection values to groups:
var groups = discreteUniform( x.length, 0, 1, {
'dtype': 'generic'
});
// Group the values:
var out = bifurcateValues( x, groups );
// returns [...]
console.log( out );