Averages/Arithmetic mean: Difference between revisions
Content added Content deleted
m (→{{header|UnixPipes}}: Lang tags) |
|||
| Line 333: | Line 333: | ||
<lang haskell>mean :: (Fractional a) => [a] -> a |
<lang haskell>mean :: (Fractional a) => [a] -> a |
||
mean [] = 0 |
mean [] = 0 |
||
mean xs = sum xs / Data.List.genericLength xs<lang> |
mean xs = sum xs / Data.List.genericLength xs</lang> |
||
But some types, e.g. integers, are not Fractional; the following function works for all Real types: |
But some types, e.g. integers, are not Fractional; the following function works for all Real types: |
||