Free functions
| proportion | Calculates the proportion of part to total. Returns Some(part / total) or None if total is zero. |
| scale_by_ratio | — |
| inverse_ratio | — |
| weighted_average | — |
| percentage_change | — |
| percentage_diff | — |
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| proportion | Calculates the proportion of part to total. Returns Some(part / total) or None if total is zero. |
| scale_by_ratio | — |
| inverse_ratio | — |
| weighted_average | — |
| percentage_change | — |
| percentage_diff | — |