Displaying 2 results from an estimated 2 matches for "lambdamart".
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lambdahat
2016 Mar 20
2
GSoC 2016 Letor Stabilisation
...eate the test harness for xapian-letor similar to
xapian-core and start writing tests? Tests seem somewhat overwhelming to me
at the moment, it would be helpful if I could get some assistance on how to
go about it.
3. How important is writing new features for this project (for instance
implementing LambdaMART ranking)? Should I focus on them as well in my
proposal?
Thanks,
Ayush
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2017 Dec 14
0
Distributions for gbm models
...re are more than 2
classes), "adaboost" (the AdaBoost exponential loss for 0-1
outcomes), "poisson" (count outcomes), "coxph" (right
censored observations), "quantile", or "pairwise" (ranking
measure using the LambdaMart algorithm).
I would have thought that huberized and multinomial would also be
possible. Is that not so? In any case, how would anything different
from bernoulli (the default) be specified when using the caret train
function since distribution appears not to be among the list of
parameters that...