{"action":"opened","issue":{"url":"https://api.github.com/repos/scikit-learn-contrib/categorical-encoding/issues/144","repository_url":"https://api.github.com/repos/scikit-learn-contrib/categorical-encoding","labels_url":"https://api.github.com/repos/scikit-learn-contrib/categorical-encoding/issues/144/labels{/name}","comments_url":"https://api.github.com/repos/scikit-learn-contrib/categorical-encoding/issues/144/comments","events_url":"https://api.github.com/repos/scikit-learn-contrib/categorical-encoding/issues/144/events","html_url":"https://github.com/scikit-learn-contrib/categorical-encoding/issues/144","id":372310378,"node_id":"MDU6SXNzdWUzNzIzMTAzNzg=","number":144,"title":"OrdinalEncoder imputes missing values with 0 instead of -1","user":{"login":"janmotl","id":4568142,"node_id":"MDQ6VXNlcjQ1NjgxNDI=","avatar_url":"https://avatars0.githubusercontent.com/u/4568142?v=4","gravatar_id":"","url":"https://api.github.com/users/janmotl","html_url":"https://github.com/janmotl","followers_url":"https://api.github.com/users/janmotl/followers","following_url":"https://api.github.com/users/janmotl/following{/other_user}","gists_url":"https://api.github.com/users/janmotl/gists{/gist_id}","starred_url":"https://api.github.com/users/janmotl/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/janmotl/subscriptions","organizations_url":"https://api.github.com/users/janmotl/orgs","repos_url":"https://api.github.com/users/janmotl/repos","events_url":"https://api.github.com/users/janmotl/events{/privacy}","received_events_url":"https://api.github.com/users/janmotl/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2018-10-21T12:34:57Z","updated_at":"2018-10-21T12:34:57Z","closed_at":null,"author_association":"COLLABORATOR","body":"Proposed fix: \r\n1. Change a line with `transformed_column.fillna(0, inplace=True)`.\r\n2. Write a test to make sure that the error does not repeat.\r\n3. Truncate `test_inverse_transform()` - it is ok to raise an exception when the data were imputed."}}
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