DOC Fix typos in math in Target Encoder user guide #26584
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lucyleeow
commented
Jun 15, 2023
| :math:`\sigma_i^2` is the variance of `y` with category :math:`i` and | ||
| :math:`\tau^2` is the global variance of `y`. | ||
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| For continuous targets, the formulation is similar to binary classification: | ||
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| .. math:: | ||
| S_i = \lambda_i\frac{\sum_{k\in L_i}y_k}{n_i} + (1 - \lambda_i)\frac{\sum_{k=1}^{n}y_k}{n} | ||
| S_i = \lambda_i\frac{\sum_{k\in L_i}Y_k}{n_i} + (1 - \lambda_i)\frac{\sum_{k=1}^{n}Y_k}{n} |
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This was more opinionated, but changed to capital Y to match the equation for binary case and the Micci-Barreca paper.
cc @thomasjpfan
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Jun 15, 2023
glemaitre
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glemaitre
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Thanks @lucyleeow LGTM. |
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Reference Issues/PRs
What does this implement/fix? Explain your changes.
Fixes some typos in the math equation in Target Encoder section of the user guide.
Any other comments?