Averages/Arithmetic mean: Difference between revisions
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(→{{header|Ruby}}: use sum method) |
(Update WDTE example for language overhaul.) |
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=={{header|WDTE}}== |
=={{header|WDTE}}== |
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<lang WDTE> |
<lang WDTE>let s => import 'stream'; |
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let a => import 'arrays'; |
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'arrays' => a; |
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mean nums => |
let mean nums => |
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a.stream nums |
a.stream nums |
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-> s.reduce [0; 0] (@ s p n => [+ (a.at p 0) 1; + (a.at p 1) n]) |
-> s.reduce [0; 0] (@ s p n => [+ (a.at p 0) 1; + (a.at p 1) n]) |
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Usage: |
Usage: |
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<lang WDTE> |
<lang WDTE>mean [1; 2; 3] -- io.writeln io.stdout;</lang> |
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Output: |
Output: |
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