方差的分解
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| 方差的分解 [2024/03/29 03:45] – 2104龚文滕 | 方差的分解 [2024/04/07 12:46] (当前版本) – [Decomposition of variance] zwz | ||
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| 行 19: | 行 19: | ||
| **1.Decomposability of variance:** | **1.Decomposability of variance:** | ||
| - | *The total sum of squares of deviations can be decomposed into the sum of squares | + | *The total sum of squares of deviations can be decomposed into the sum of squares |
| **2.Composition of total variance:** | **2.Composition of total variance:** | ||
| - | *Inter group sum of squares (numerator): | + | *Inter group sum of squares (numerator): |
| - | *Within group sum of squares (denominator): | + | *Within group sum of squares (denominator): |
| * {{: | * {{: | ||
| * | * | ||
| - | * Can be simplified as | + | * Which can be simplified as |
| * {{: | * {{: | ||
| * | * | ||
| - | * Understanding the formula: | + | * Understanding |
方差的分解.1711683941.txt.gz · 最后更改: 2024/03/29 03:45 由 2104龚文滕