R Advanced

colSums(): Calculating the Sum of Columns of a Data Frame in R

The colSums() function in R calculates the sums of columns for numeric matrices, data frames, or arrays. In this figure,…

4 days ago

rowSums(): Calculating the Sum of Rows of a Matrix or Data Frame in R

The rowSums() function calculates the sum of values in each numeric row of a matrix, array, or data frame. It…

7 days ago

R View() Function

The View() is a utility function in R that invokes a more intuitive spreadsheet-style data viewer on a matrix-like R object. View()…

2 weeks ago

summary() Function: Producing Summary Statistics in R

The summary() is a generic function that produces the summary statistics for various R objects, including vectors, matrices, data frames,…

3 weeks ago

How to Calculate Standard Error in R

Standard Error (SE) measures the variability or dispersion of the sample mean estimate of a population mean. Here are three…

1 month ago

R pnorm() Function [With Graphical Representation]

The pnorm() function in R calculates the cumulative density function (cdf) value of the normal distribution given a specific random…

1 month ago

How to Set and Get Working Directory [setwd() and getwd()] in R

Set the current working directory The setwd() function sets the working directory to the new location, allowing us to change…

1 month ago

Standard deviation in R [Using sd() Function]

The sd() function in R calculates the sample standard deviation of a numeric vector or an object, excluding factors. It…

2 months ago

R dnorm(): Probability Density Function

The dnorm() function in R calculates the value of the probability density function (pdf) of the normal distribution of a…

2 months ago

Understanding of rnorm() Function in R

The rnorm() method in R generates random numbers from a normal (Gaussian) distribution, which is characterized by a bell-shaped curve…

2 months ago