Get html file names in current directory
Get absolute path of file names
Switch slash and backslash in string
Get absolute paths for files in given directory
Get absolute path of html files in given directory
Detects slashes and backslashes in strings
Get file urls for html files in given directory
Variance
standard deviation
Calculating response based on predictor and respective independent and dependent variable using least square method
Table arrays for frequency observation
concat anything but the first additional command-line arguments
Performs query validation on field/variable list
Calculate r-squared, how well a regression line calculates values
Preps query items
