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Niharika Deshpande

Data Science User

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Discussions

What is a NullPointerException, and how do I fix it?

Asked by NiharikaDeshpande in Java, Asked on May 15, 2025

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ANSWER

555
Views

check upstream git-How can I see which Git branches are tracking which remote / upstream branch?

Asked by NiharikaDeshpande in SQL Server, Asked on Jul 1, 2021

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796
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Explain how to use tf-idf in R?

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

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1.0K
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A user is trying to run Naive Bayes in R for making predictions from textual data (by building a Document Term Matrix). But he received some weird predictions. Why?

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

7 | 0

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891
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How to implement one-hot encoding in Python and in R?

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

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1.2K
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Explain concordance with example.

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

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2.2K
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How to merge two lists in R?Explain with example

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

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947
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How to calculate the entropy of a term document in R?

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

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1.0K
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Explain with a case study how to visualize the train and test data of a Decision Classification system in R

Asked by NiharikaDeshpande in Data Science, Asked on Nov 7, 2019

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1.3K
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A user is currently viewing the decision tree using the following code. Is there a way that we can export some calculated fields as output too?

Asked by NiharikaDeshpande in Data Science, Asked on Nov 7, 2019

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827
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Is cross entropy always larger than entropy?

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

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973
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