On this R-data statistics page, you will find information about the SP500close data set which pertains to Closing Numbers for S and P 500 Index. The SP500close data set is found in the DAAG R package. You can load the SP500close data set in R by issuing the following command at the console data("SP500close"). This will load the data into a variable called SP500close. If R says the SP500close data set is not found, you can try installing the package by issuing this command install.packages("DAAG") and then attempt to reload the data. If you need to download R, you can go to the R project website. You can download a CSV (comma separated values) version of the SP500close R data set. The size of this file is about 39,027 bytes.
Closing Numbers for S and P 500 Index
Closing numbers for S and P 500 Index, Jan. 1, 1990 through early 2000.
Derived from SP500 in the MASS library.
Dataset imported from https://www.r-project.org.