Un-Answered Questions { R Programming }

What are the different data structures in r? Briefly explain about them.

46


Name some functions which can be used for debugging in r?

51


How would you measure correlation in r?

60


How would you create a scatterplot using ggplot2 package?

50


how would you build a scatter-plot using plotly?

51


What are the different import functions in r?

64


How do you install a package in r?

51


From the below data-set, extract only those values where age>60 and sex=”f”.

405


How would you make multiple plots onto a single page in r?

83


What is principal component analysis and how can you create a pca model in r?

59


Name some functions available in “dplyr” package.

62


How would you check the distribution of a categorical variable in r?

67


Explain about “initialize()” function in r?

48


Write a custom function which will replace all the missing values in a vector with the mean of values.

37


How would you create a new r6 class?

58