Select

Disponibile, differisce dal riferimento .wl

Picks elements of a list that satisfy a criterion.

Forme

Select[data, crit]

Select[data, crit -> prop]

Select[data, crit, n]

Select[crit]

Esempi verificatiSelect[{1, 2, 3, 4}, EvenQ] → {2, 4}

Esegui su Qurak Cerca nella guida

Usata in

Create tables of results in parallel - 2 passi
Replace or remove invalid or missing data - 23 passi

Argomenti

Associations - Functions That Apply to Values »
Computation With Structured Datasets - Selections and Transformations
Conditionals - List-Based Conditionals »
Database Like Operations On Datasets - General
Elements Of Lists - Finding Sublists
Function Composition And Operator Forms - Functions with Operator Forms

Correlate

SelectFirst Discard Cases Take Drop Reap Pick GatherBy GroupBy MatchQ StringMatchQ FreeQ

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