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Sanjana Shah

Data Science User

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Explain how to implement tfidf in python.To implement tf-idf in Python, we need to import necessary libraries. Let us discuss that with the help of a dataset?

Asked by SanjanaShah in Data Science, Asked on Dec 24, 2019

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A user was going to fit a knn model with faithful data in R. The code is given below:

Asked by SanjanaShah in Data Science, Asked on Dec 20, 2019

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1.9K
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Explain with an example how to merge dataframes in R.

Asked by SanjanaShah in Data Science, Asked on Dec 12, 2019

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1.1K
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Explain how normalization of features is better while preprocessing a model?

Asked by SanjanaShah in Data Science, Asked on Nov 30, 2019

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Explain ROC curve.

Asked by SanjanaShah in Data Science, Asked on Nov 30, 2019

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1.2K
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A user wants to compute the entropy of 0-1 vector many times. Is there a faster way to do this?

Asked by SanjanaShah in Data Science, Asked on Nov 17, 2019

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Explain with a case study how to visualize the train and test data of a Decision Classification system in Python

Asked by SanjanaShah in Data Science, Asked on Nov 9, 2019

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3.5K
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A user is trying to implement the decision tree regressor algorithm on some training data but when he calls fit() he gets an error.

Asked by SanjanaShah in Data Science, Asked on Nov 5, 2019

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961
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Explain how to implement decision in R

Asked by SanjanaShah in Data Science, Asked on Nov 4, 2019

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947
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