フリー問題

問題文

The clustering step will group substations by the shape of their load. One input runs from zero to eight thousand kilowatts and another from zero to one. The step measures straight line distance between points, and the first input decides every grouping on its own. What should the step do?

選択肢

1. The step uses the shifted input for every feature and learns the ranges from the training subset, which the preprocessing documentation names.
2. The step uses the shifted input for every feature and learns the ranges from the aggregate subset, which the preprocessing documentation names.
3. The step uses the standardized input for every feature and learns the ranges from the training subset, which the preprocessing documentation names.
4. The step uses the standardized input for every feature and learns the ranges from the aggregate subset, which the preprocessing documentation names.