R (programming language)
The dates and the location for the next useR! event is to be decided as of July 2022.
Although R is an open-source project, some companies provide commercial support and extensions.# Transpose the matrix, multiply every element by 2, subtract 2 from each element in the matrix, and return the results to the terminal.# Create a new data.frame object that contains the data from a transposed z_matrix, with row names 'A' and 'B'# The data.frame column Z can be accessed using $Z, ['Z'], or  syntax, and the values are the same. # Access and then change the row.names attribute; can also be done using rownames()
The R language has built-in support for data modeling and graphics. The following example shows how R can easily generate and plot a linear model with residuals.