I am wondering what I need to do to use the time series algorithm on a table that is like this. (part from a table from a relational db)
table is like this:
memberid--- joindate --- leavedate
1 --- nov 11 2010 --- NULL
2 --- mrt 05 2010 --- sep 09 2010
And I want to analyse/predict the expected number of members for a month or a year
any help would be appreciated!
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