Hi Devesh, RFormula will encode category variables(column of string type) as dummy variables automatically. You do not need to do dummy transform explicitly if you want to train machine learning model using SparkR. Although SparkR only supports a limited ML algorithms(GLM) currently.
Thanks Yanbo 2016-01-20 1:15 GMT+08:00 Vinayak Agrawal <vinayakagrawa...@gmail.com>: > Yes, you can use Rformula library. Please see > > https://databricks.com/blog/2015/10/05/generalized-linear-models-in-sparkr-and-r-formula-support-in-mllib.html > > On Tue, Jan 19, 2016 at 10:34 AM, Devesh Raj Singh <raj.deves...@gmail.com > > wrote: > >> Hi, >> >> Can we create dummy variables for categorical variables in sparkR like we >> do using "dummies" package in R >> >> -- >> Warm regards, >> Devesh. >> > > > > -- > Vinayak Agrawal > Big Data Analytics > IBM > > "To Strive, To Seek, To Find and Not to Yield!" > ~Lord Alfred Tennyson >
