WebJan 5, 2013 · This function would like to check whether there is any value in a larger than 0 and if yes then divide each element by the sum of the total. Otherwise it should just record 1. I get the following warning message: Warning message: In if (a > 0) { : the condition has length > 1 and only the first element will be used How can I correct the function? Websklearn.model_selection. .KFold. ¶. Provides train/test indices to split data in train/test sets. Split dataset into k consecutive folds (without shuffling by default). Each fold is then used once as a validation while the k - 1 remaining folds form the training set. Read more in the User Guide. Number of folds.
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