correlation and visualisation of data

how to do correlation between two columns and how to visualise the output data of correlation?

[Mathieu NOE]

help xcorr

[sushanth vanamala]

what about visualisation ?

Answer 1

[KSSV]

The corellation is a single number...to get it you can use xcorr. If you insist on plotting have a look on plotregression.

If (x,y) are your column data, then use:

plotregression(x,y)