# Finding the number of events in a given period based on time interval between events

I have a set of "Days since last Visit" data from the Google Analytics:

Day since last Visit     Count of Users
Total                    400K
0                        100K
1                        50K
2                        10K
....


Given a fixed Time Frame, the row "1 50K" means that there are 50K users who have the last two visits in a consecutive day, and "0 100K" means that for that 100K users, their last two visits occur on the same day.

So is it possible for me to estimate, the expected number of days for the users visit the sites in a month?

• Do you mean you want to estimate the expected number of visits per month of a user; or do you just want the expected value of the "days since last visit" variable? – Peter Ellis Jun 25 '13 at 5:32
• expected Days of visits per month of a user, so if the user come several times in the same day, that only count as 1. – Kloser Cheung Jun 25 '13 at 11:27