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A stranger uses a search engine to find something and you do not know anything about the person. How will you design an algorithm to determine what the stranger is looking for just after he/she types few characters in the search box?
What is meant by lattice?
Explain the decision tree algorithm, and how is it different from the random forest algorithm?
Define the term cross-validation
Write the code to sort an array in numpy by the nth column?
What is advantage of using apply family of functions in r?
What is data science?
How do data management procedures like missing data handling make selection bias worse?
Can you explain data preparation?
why do you need to perform resampling?
What does a data scientist do?
Does the data scientist need to know programming?
What is missing value imputation? How do you handle missing values in python or r?
What is difference between sas, r and python programming?
Which language is best for data science?
