Re: Best way to tranform string label into long label for classification problem

Thank you Xinh. That's what I need. Le mar. 28 juin 2016 à 17:43, Xinh Huynh a écrit : > Hi Jao, > > Here's one option: > http://spark.apache.org/docs/latest/ml-features.html#stringindexer > "StringIndexer encodes a string column of labels to a column of label > indices. The indices are in [0, n

Re: Best way to tranform string label into long label for classification problem

Hi Jao, Here's one option: http://spark.apache.org/docs/latest/ml-features.html#stringindexer "StringIndexer encodes a string column of labels to a column of label indices. The indices are in [0, numLabels), ordered by label frequencies." Xinh On Tue, Jun 28, 2016 at 12:29 AM, Jaonary Rabarisoa

Best way to tranform string label into long label for classification problem

Dear all, I'm trying to a find a way to transform a DataFrame into a data that is more suitable for third party classification algorithm. The DataFrame have two columns : "feature" represented by a vector and "label" represented by a string. I want the "label" to be a number between [0, number of