Answer Posted / Saket Shukla

Statistical features of R include:
1. Statistical functions for various statistical analyses like linear regression, ANOVA, t-test, chi-square test, etc.
2. Data manipulation and transformation functions for handling missing values, reshaping data, subsetting data, etc.
3. Time series analysis functions like ARIMA, GARCH, state space models, etc.
4. Graphical functions for creating various types of plots and visualizations.

Given a vector of numbers, how would you turn the values into scientific notation?

103

How can you verify if a given object “X” is a matrix data object?

118

How will you convert a factor variable to numeric in r language?

148