yuanqingye

Regarding the calculation of split gain

1

Hi I try to figure out how is split gain getting calculated here, it is key measure. I noticed in issue #1230 The supporter wrote: The split gain and leaf...

Hi, I changed the example in help a little, found that not work. Can someone bring me a clue what happened? ``` data(agaricus.train, package='xgboost') data(agaricus.test, package='xgboost') bst

Hi I want to know is there any machine learning basic essential framework other than caret?

2

Hi I think caret is one of the best frame work I am using in R And I think I use it most. But sometimes I couldn't find some model...

R rtools failed to install(build) old archived mongolite_1.6.tar.gz

5

I want to install mongodb in R. Since our production system is using old mongodb, the new R mongolite version couldn't get connect. So I decide to install the old...

# Reporting an Issue with sparklyr For general programming questions with `sparklyr`, please ask on [Stack Overflow](http://stackoverflow.com) instead. Please briefly describe your problem and, when relevant, the output you expect....