Comprehensive R language quiz and questions from basic to advanced level that help you to review your R language knowledge and become the master of R language. Please read the following question carefully and select the correct anwser, you have to make your choice before going to the next question.
Recent added questions
What is the difference between rnorm and runif functions ?
Answer:
rnorm function generates "n" normal random numbers based on the mean and standard deviation arguments passed to the function.
Syntax of rnorm function -
rnorm(n, mean = , sd = )
runif function generates "n" unform random numbers in the interval of minimum and maximum values passed to the function.
Syntax of runif function -
runif(n, min = , max = )
_________ uniforms and customizes plots of packages ggplot2, graphics and lattice.
______ is used for Visualisation, verification and calibration of ternary probabilistic forecasts.
Which of the following package contains functions for reading and displaying satellite data for oceanographic applications with R ?
__________ is used for the analysis of air pollution data.
Which of the following is used to analyze paleontological time-series ?
Which of the following package provide namespace management functions not yet present in base R ?
________ performs class prediction based on microarray data and clinical parameters
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