Select

可用，与 .wl 参考有差异

Picks elements of a list that satisfy a criterion.

形式

Select[data, crit]

Select[data, crit -> prop]

Select[data, crit, n]

Select[crit]

验证过的示例Select[{1, 2, 3, 4}, EvenQ] → {2, 4}

在 Qurak 上运行搜索参考

用于

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

主题

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

相关

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

全部 6300 个函数 · 从 MCP 客户端使用