Get type of all variables

Question

In R, I\'d like to retrieve a list of global variables at the end of my script and iterate over them. Here is my code

#declare a few sample variables
a<-1         


        

Answer 1

lapply(your_dataframe, class) gives you something like:

$tikr [1] "factor"

$Date [1] "Date"

$Open [1] "numeric"

$High [1] "numeric"

... etc.