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update test, disable parallel stuff since it is not a stable test
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schalkdaniel committed Mar 29, 2023
1 parent 995fae3 commit a2ca90e
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7 changes: 4 additions & 3 deletions DESCRIPTION
Expand Up @@ -7,12 +7,13 @@ Authors@R: c(
person(given = "Janek", family = "Thomas", email = "janek.thomas@stat.uni-muenchen.de", role = "aut", comment = c(ORCID = "0000-0003-4511-6245")),
person(given = "Bernd", family = "Bischl", email = "bernd_bischl@gmx.net", role = "aut", comment = c(ORCID = "0000-0001-6002-6980")))
Maintainer: Daniel Schalk <schalkdaniel242@gmail.com>
Description: Efficient implementation of component-wise gradient boosting.
Description: Efficient implementation of component-wise gradient boosting
(Buehlmann, P., Hothorn, T. (2007) <doi:10.1214/07-STS242>).
The package applies the boosting framework to statistical models, e.g.,
general additive models using component-wise smoothing splines.
Boosting these kinds of base components enables interpretation of the
model and enables (unbiased) model selection in high-dimensional feature spaces.
Daniel Schalk, Janek Thomas, Bernd Bischl (2018) <doi:10.21105/joss.00967>
model and enables (unbiased) model selection in high-dimensional feature spaces
(Hofner et al. (2011) <doi:10.1198/jcgs.2011.09220>).
License: LGPL (>= 3)
Copyright: inst/COPYRIGHTS file
URL: https://danielschalk.com/compboost/, https://github.com/schalkdaniel/compboost/
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2 changes: 1 addition & 1 deletion man/plotTensor.Rd

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4 changes: 0 additions & 4 deletions src/baselearner_factory.cpp
Expand Up @@ -959,10 +959,6 @@ BaselearnerCategoricalRidgeFactory::BaselearnerCategoricalRidgeFactory (const st
}
_sh_ptr_data = init::initRidgeData(cdata_source, _attributes);

// Calculate and set penalty
unsigned int nrows = chr_classes.size();


_attributes->penalty_mat = arma::diagmat(arma::vec(_attributes->dictionary.size(), arma::fill::ones));
arma::vec xtx_diag(arma::diagvec((_sh_ptr_data->getSparseData() * _sh_ptr_data->getSparseData().t())));

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62 changes: 32 additions & 30 deletions tests/testthat/test_parallel.R
@@ -1,47 +1,49 @@
context("Compboost parallel")

test_that("If parallel execution speeds up the algorithm", {
if ((parallel::detectCores() >= 2) && (Sys.info()["sysname"] != "Darwin")) {
if (FALSE) {
if ((parallel::detectCores() >= 2) && (Sys.info()["sysname"] != "Darwin")) {

feats = 40
n = 10000
mstop = 500
mydata = as.data.frame(do.call(cbind, lapply(seq_len(feats + 1), function (x) { rnorm(n) })))
names(mydata) = c("target", paste0("feat", seq_len(feats)))
feats = 40
n = 10000
mstop = 500
mydata = as.data.frame(do.call(cbind, lapply(seq_len(feats + 1), function(x) { rnorm(n) })))
names(mydata) = c("target", paste0("feat", seq_len(feats)))

optimizer = expect_silent(OptimizerCoordinateDescent$new())
optimizer = expect_silent(OptimizerCoordinateDescent$new())

time1 = proc.time()
time1 = proc.time()

cboost1 = expect_silent(Compboost$new(data = mydata, target = "target", optimizer = optimizer,
loss = LossQuadratic$new(), learning_rate = 0.01))
nuisance = lapply(names(mydata)[-1], function (feat) cboost1$addBaselearner(feat, "spline", BaselearnerPSpline))
cboost1$addLogger(logger = LoggerTime, use_as_stopper = FALSE, logger_id = "time",
max_time = 0, time_unit = "seconds")
cboost1 = expect_silent(Compboost$new(data = mydata, target = "target", optimizer = optimizer,
loss = LossQuadratic$new(), learning_rate = 0.01))
nuisance = lapply(names(mydata)[-1], function(feat) cboost1$addBaselearner(feat, "spline", BaselearnerPSpline))
cboost1$addLogger(logger = LoggerTime, use_as_stopper = FALSE, logger_id = "time",
max_time = 0, time_unit = "seconds")

expect_output(cboost1$train(mstop))
expect_output(cboost1$train(mstop))

time1 = (proc.time() - time1)[3]
time1 = (proc.time() - time1)[3]

optimizer = expect_silent(OptimizerCoordinateDescent$new(2))
optimizer = expect_silent(OptimizerCoordinateDescent$new(2))

time2 = proc.time()
time2 = proc.time()

cboost2 = expect_silent(Compboost$new(data = mydata, target = "target", optimizer = optimizer,
loss = LossQuadratic$new(), learning_rate = 0.01))
nuisance = lapply(names(mydata)[-1], function (feat) cboost2$addBaselearner(feat, "spline", BaselearnerPSpline))
cboost2$addLogger(logger = LoggerTime, use_as_stopper = FALSE, logger_id = "time",
max_time = 0, time_unit = "seconds")
cboost2 = expect_silent(Compboost$new(data = mydata, target = "target", optimizer = optimizer,
loss = LossQuadratic$new(), learning_rate = 0.01))
nuisance = lapply(names(mydata)[-1], function (feat) cboost2$addBaselearner(feat, "spline", BaselearnerPSpline))
cboost2$addLogger(logger = LoggerTime, use_as_stopper = FALSE, logger_id = "time",
max_time = 0, time_unit = "seconds")

expect_output(cboost2$train(mstop))
expect_output(cboost2$train(mstop))

cboost2$train(mstop)
time2 = (proc.time() - time2)[3]
cboost2$train(mstop)
time2 = (proc.time() - time2)[3]

expect_true(time1 > time2)
expect_true(tail(cboost1$getLoggerData()$time, n = 1) > tail(cboost2$getLoggerData()$time, n = 1))
expect_equal(cboost1$getSelectedBaselearner(), cboost2$getSelectedBaselearner())
expect_equal(cboost1$predict(), cboost2$predict())
expect_equal(cboost1$getCoef(), cboost2$getCoef())
expect_true(time1 > time2)
expect_true(tail(cboost1$getLoggerData()$time, n = 1) > tail(cboost2$getLoggerData()$time, n = 1))
expect_equal(cboost1$getSelectedBaselearner(), cboost2$getSelectedBaselearner())
expect_equal(cboost1$predict(), cboost2$predict())
expect_equal(cboost1$getCoef(), cboost2$getCoef())
}
}
})

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