How you can produce co-relations and covariances?
How data is aggregated in r?
Explain what is t-tests in r?
How you can create a table in r without external file?
What is transpose?
What are the data structures in r that is used to perform statistical analyses and create graphs?
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?
