trendline HELP!

  • Thread starter Thread starter Guest
  • Start date Start date
G

Guest

I have a chart that i am making of PPMs for the year of 2006. I have jan-may
in the data series and the rest are left blank. I am trying to get a
trendline in where it will stop at whatever month I am at but update when a
new month's data is entered into the box. However, I cannot figure out how
to do this, when I do have a trend line it goes to like -4000. can anyone
help me please?
 
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