[catboost] Fix trailing spaces and update doc in R
@@ -515,6 +515,20 @@ Default value:
0.66
+\item sampling_unit
+
+The parameter allows to specify the sampling scheme: sample weights for each object individually or for an entire group of objects together.
+
+Possible values:
+ \itemize{
+ \item 'Object'
+ \item 'Group'
+ }
+
+Default value:
+
+\code{'Object'}
+
\item sampling_frequency
Frequency to sample weights and objects when building trees.
@@ -865,6 +879,18 @@ Default value:
5000000
+\item leaf_estimation_backtracking
+
+Type of backtracking during gradient descent.
+ Possible values:
+ - 'No' - never backtrack; supported on CPU and GPU
+ - 'AnyImprovement' - reduce the descent step until the value of loss function is less than before the step; supported on CPU and GPU
+ - 'Armijo' - reduce the descent step until Armijo condition is satisfied; supported on GPU only
+
+Default value:
+
+'AnyImprovement'
+
}
}
}
