This is the web page for Text Analytics at the University of Oklahoma.
Note gzip files can be uncompressed in GNU/Linux and Mac using the tar command. To uncompress the file use the following command
tar xvzf city_temperature_nous.csv.tar.gz
If the file is just a gzipped file (not also tar archived), you can use the gzip utility.
gzip -d city_temperature_nous.csv.gz