How can you select k for k-means?
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Discuss decision tree algorithm?
Write the code to sort an array in numpy by the nth column?
What are numpy, scipy, and spark essential datatypes?
How do you understand by bias variance trade off?
What are the various types of selection bias?
Which package is used to do data import in r and python?
Name some packages in r and python for building regression models.
Why is dimensional reduction performed before fitting a support vector machine (svm)?
How will you compare the results of various machine learning algorithms?
Define standard deviation, mean, mode and median.
Do we have different selection biases, if yes, what are they?
What are the types of biases that can occur during sampling?