Joaquin Vanschoren

run_model_on_task: make avoid_duplicate_runs=False the default

5

#### Description run_model_on_task has an option to avoid running experiments that already exist on OpenML, called avoid_duplicate_runs. This, however, requires an API key. It is currently the default, meaning that...

#### Description When doing print(run), the result is only some basic info like the task type ID. It shows no aggregated evaluation information. It would be nice if that could...

suggestion for dataset upload: check for name conflicts

1

#### Description When submitting a new dataset with the same name as an existing dataset, the OpenML REST API will automatically store it as a new version of that dataset....

run/evaluate API call is missing

1

#### Description There doesn't seem to exist a Python binding for the /run/evaluate call of the OpenML REST API (see details in https://new.openml.org/api). This call is needed to allow an...

#### Description When you call `datasets.get_dataset(did)` with an invalid ID, you get a rather obscure FileNotFound Error, even though the server returns an 'Unknown dataset' error. #### Steps/Code to Reproduce...

Don't download (large) datasets by default

2

#### Description In datasets.get_dataset(data_id) the default is currently to always download the dataset: https://openml.github.io/openml-python/master/generated/openml.datasets.get_dataset.html#openml.datasets.get_dataset This is problematic for large datasets - it takes a long time and may cause out-of-memory...

#### Description When the dataset download is corrupted the user gets a cryptic error message. Clearing the cache fixes it but this may not be obvious to people. Could we...

Support multiple configuration files

4

Say that I want to www.openml.org and test.openml.org. Or I have my own local install and I also want to talk to www.openml.org. Is this at all possible? I think...

Support for xarray?

2

I heard from a growing number of people that it would be good to support xarray: http://xarray.pydata.org/en/stable/ It supports multi-dimensional data (tensors) whereas pandas only supports single tables. Images can...

error downloading my data set 40864

6

_From @behrica on May 31, 2018 9:56_ I have problems to download my own task 168302 (better said : with its data set: 40864) with the R API. I think...