Q. What are the disadvantages of R Programming ?
A. The disadvantages are:-
Lack of standard GUI
Not good for big data.
Does not provide spreadsheet view of data.
Q. What are the main types of supervised learning tasks in Data Science?
A. Classification task [categorical in nature]
Regression task [continuous in nature].
Q. What is R square value?
A. R squared values tells us how close the regression line is fit to the actual values.
Q. What are some common ways of imputation in data science?
A. Mean imputation, median imputation, KNN imputation, Stochastic regression, substitution.
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