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How can you simulate noise model using r?
What are the different components of grammar of graphics?
What is correlation? How would you measure correlation in r?
How can you create a pca model in r?
What is principal component analysis?
How would you find the number of missing values in a dataset and remove all of them?
Give examples of “select” and “filter” functions from “dplyr” package.
How would you create a box-plot using “plotly”?
How would you rename the columns of a dataframe?
How would you create a factor in r?
What is a random walk model?
Give some examples of the functions in stringr.
How would you write a custom function in r? Give an example.
How do you build and evaluate a random forest in r?
How would you do a cross-product of two tables in r?
