One thing I noticed inside the UDF is that original column names from the
data frame have disappeared and the columns are called col1, col2 etc.
Regards
Meeraj
On Sat, Nov 26, 2016 at 7:31 PM, Meeraj Kunnumpurath <
mee...@servicesymphony.com> wrote:
> Hello,
>
> I have a dataset of features on
Hello,
I have a dataset of features on which I want to compute the likelihood
value for implementing gradient ascent for estimating coefficients. I have
written a UDF that compute the probability function on each feature as
shown below.
def getLikelihood(cfs : List[(String, Double)], df: