Related Articles
R Objects
R Objects Overview In R, everything is an object. Data, functions, models, and even results of calculations are all stored as objects. Understanding R objects is fundamental to working with data, writing reproducible code, and performing statistical ...
Arguments (in R Functions)
Arguments (in R Functions) R function arguments are the inputs provided to a function that determine how it runs and what results it produces. Arguments are placed inside the parentheses of a function call and may represent data, options, or control ...
Using the R Sandbox
The R Sandbox The R Sandbox is a separate R window you can use to experiment with R code and play around with ideas from the course. It comes pre-loaded with the base R packages and all of the packages and datasets we reference in the textbook. ...
Pearson’s r
Pearson’s r is a special case of slope in which both the outcome and explanatory variables are transformed into z scores prior to analysis; also known as the correlation coefficient.
sampling with replacement
Sampling with replacement takes a sample from a population, record the values, put all cases back into the population, then sample again; the R function resample() does this.