How would you join multiple strings together?
What is a random walk model and how can you simulate it using r?
How can you load a .csv file in r?
What is a factor?
What is a white noise model?
What is a white noise model and how can you simulate it using r?
Explain the different data structures in r?
What is a random forest? How do you build and evaluate a random forest in r?
Give examples of “rbind()” and “cbind()” functions in r
What is the use of stringr package.
Explain about confusion matrix in r?
How would you extract one particular word from a string?
Given a vector of values, how would you convert it into a time series object?
What do you know about the evaluate_model() function from “statisticalmodeling” package
How would you fit a linear model over a scatter-plot?
