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Idential trend line equations show different trends
Hi I have plotted a trend line based on some actual known data. I have then manually calculated the y figure by plugging in the trend line formula. y = 5E-05x4 - 0.0283x3 + 5.4408x2 - 521.05x + 29719 On that attachment you can see a difference in results even though its the same trend line. Any ideas? Thanks Wired +-------------------------------------------------------------------+ |Filename: dummy data.gif | |Download: http://www.excelforum.com/attachment.php?postid=5103 | +-------------------------------------------------------------------+ -- Wired PSF ------------------------------------------------------------------------ Wired PSF's Profile: http://www.excelforum.com/member.php...o&userid=36795 View this thread: http://www.excelforum.com/showthread...hreadid=565052 |
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