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1. Given a collection of already tokenized texts, calculate the IDF (Inverse document frequency of each token)  2. Calculate the Jaccard similarity between two sets: the size of the intersection divided by the size of the union.  3. Check if a tree is a binary ...
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Two people A and B, train an algorithm on a same set of data. A trains by selecting 10 most important features from the dataset using an Algorithm C and randomly splits the dataset into training and testing dataset. B ...
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uh = urllib.request.urlopen(url, context=ctx) find out which library module is necessary to import in the python code to execute the above line of code to open an url.  
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which join is used to join a table with itself Inner join full join self join does the virtual table created occupy space for the operation to joining with itself?
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What is the correct order of writing SQL query from given tags(select, where, group by, having, from, order by)
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