Pearson’s r

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.


    • Related Articles

    • R function

      R functions are commands in R that do specific tasks; these are often written by people in the R community. 
    • object (in R)

      R objects are ways of saving information in R. R objects can be individual values (e.g., MyNumber <- 3) or a vector (e.g., MyVector <- c(1:10)) or even a data frame (e.g., MyCopyOfFingers <- Fingers). 
    • 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.  ...
    • Not Connecting to Server

      If you hit the "Connect" button for the R coding exercise windows but it will not connect to the server, please note the following: This error should be rare and should not persist for more than a few minutes. Please do not continue to hit "Connect" ...
    • factor (in R)

      Factor (in R) is a type of R object that is a categorical variable.