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How do I go about applying cost sensitive classifier in Orange? I need to get a confusion matrix and predictions for a specified ratio of FP and FN. ROC...
Asked on 01/30/2021
0 answerRather than learn a new package/language, I'd like to use my existing SQL skills to manipulate pandas dataframes in Python. Does anyone know of a way to do this, or...
Asked on 01/30/2021 by Sean McCarthy
4 answerFrom a saved model, I am trying to predict a single image.I followed this code - https://www.youtube.com/watch?v=A4K6D_gx2Iw I am getting different result for two different command-...
Asked on 01/30/2021 by Sazida Binta Islam
0 answerI am trying to train a model on a big data sequence like this [0.2 0.1 0.1 ..... 0.4 0.8] . I create X vectors with length 60 for inputs...
Asked on 01/29/2021 by user145959
1 answerI have a large panel dataset composed of $N$ stocks, $T$ quarterly dates and $K$ features for each stock. The dataset looks like the following: ...
Asked on 01/29/2021
0 answerI've been doing a few DataScience competitions now, and i'm noticing something quite odd and frustrating to me. Why is it frustrating? Because , in theory, when you read about...
Asked on 01/29/2021 by Blenz
2 answerI am wondering which statistical tools to use when analysing data that have multiple strong batch effects (distributions vary from one batch to another). I would like to correct batch...
Asked on 01/29/2021 by The Half-Blood Prince
1 answerI'm working on the content-based filtering part of a recommender system for an audio streaming project. I firstly used the k-mean algorithm with music genres and one-hot encoding to...
Asked on 01/29/2021 by Sacha Perin
2 answerIf I use sine, cosine transformation for cyclical features (e.g. weekday or hour of the day), do I lose information if the first ordinal value was 0 respectively? Assume hours...
Asked on 01/29/2021 by jacobumland
1 answerMy documents are only a single sentence long, containing one annotation.Sentences with the same named entity of course are similar, but not context-wise. NER training examples (afaik) always has...
Asked on 01/29/2021 by Rien
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