NEWS

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OpenML 1.10 (2019-09-21)

• Avoid nameclashes with mlr3 by moving ParamHelpers to Suggests
• Force using httr 1.4.1 and curl 4.1

OpenML 1.9 (2019-08-07)

• Fixed bug: Uploaded runs now also contain default hyperparamters.
• Fixed bug with multiple values for ignore.attribute.
• The status argument of listOML* functions can now also take the value 'all'.
• Allow to uploading data sets with multiple targets (e.g. multilabel tasks).
• New functions: uploadOMLTask, uploadOMLStudy, makeOMLStudy, getOMLStudy, listOMLStudies, extractOMLStudyIds.

OpenML 1.8 (2018-03-02)

• Fixed bug in listOMLSetup.
• Update to curl 3.1 which fixes the error 'transfer closed with outstanding read data remaining' for large files.
• New function extractOMLStudyIds added, which directly extracts ids of data sets, tasks, flows and runs.

OpenML 1.7 (2017-10-17)

• listOMLTask, listOMLFlow, listOMLRuns do not return the tag field anymore.
• New function listOMLSetup added, which enables extracting hyperparameter configurations of specific setups/flows.
• New function chunkOMLlist added in order to automatically do chunked listing requests.

OpenML 1.6 (2017-08-14)

• Fixes some config issues.

OpenML 1.5 (2017-08-11)

• New functions to list and get all information w.r.t. studies: getOMLStudy, listOMLStudies.
• API key not needed anymore for getOML* and listOML* functions.

OpenML 1.4 (2017-06-22)

• Bugfix: Error message "Start tag expected, '<' not found" for getOMLTask and getOMLDataSet was fixed.
• as.data.frame methods for OMLRunParList, OMLDataSet and OMLTasks objects were added.
• listOMLRunEvaluations now allows to get results w.r.t. a single evaluation measure ('evaluation.measure' arg) which speeds up the request.
• listOMLRuns and listOMLRunEvaluations now also supports a vector of ids for task.id, flow.id and uploader.id.
• getOMLRun(run.id, only.xml = TRUE) can now be used to get the run without the predictions arff file (which is faster, especially when you are only interested in, e.g. getting the hyperparameters of a run).

OpenML 1.3 (2017-03-30)

• Bugfixes.
• Updated citation.
• Add html vignette and update its content.
• listOMLTasks and listOMLDataSets now additionally show a message when the limit of results is reached.
• listOML* functions return an empty data frame when no results are available.
• listOMLRunEvaluations now returns additional columns for the flow (flow version, flow source and learner name).
• runTask now allows to set the 'models' option to FALSE so that resulting objects will be smaller.

OpenML 1.2 (2017-02-07)

• Add support for multilabel datasets and tasks.
• Replace download.file with httr::GET.
• Add mlr 2.10 dependency (we internally use mlr::mergeBenchmarkResults and mlr::makePrediction now).

OpenML 1.1 (2016-11-23)

• Setting default cache directory on package loading (fixes winbuilder).
• Replace internal regexps with stringi functions. OpenML1.0 (Release date: 2016-11-12):
• First submission to CRAN.