Standard Error (SE) measures the variability or dispersion of the sample mean estimate of a population mean. Here are three…
The pnorm() function in R calculates the cumulative density function (cdf) value of the normal distribution given a specific random…
Set the current working directory The setwd() function sets the working directory to the new location, allowing us to change…
The sd() function in R calculates the sample standard deviation of a numeric vector or an object, excluding factors. It…
The dnorm() function in R calculates the value of the probability density function (pdf) of the normal distribution of a…
The rnorm() method in R generates random numbers from a normal (Gaussian) distribution, which is characterized by a bell-shaped curve…
R cbind() (column bind) is a function that combines specified vectors, matrices, or data frames by columns, creating a new…
The rbind() function combines R objects, such as vectors, matrices, or data frames, by rows. It stacks rows vertically. The…
To format dates in R, use the format() function with various specifications. Having your dates in the proper format allows you to know that they are dates…
When working with R in an interactive mode, you don't need to use any functions or methods to print the…