M Mauro Dec 6, 2007 #1 How can I found the error value of a and b (from the tendence line y=ax+b) obtained when I plot some data?
How can I found the error value of a and b (from the tendence line y=ax+b) obtained when I plot some data?
K Kelly O'Day Dec 6, 2007 #2 Mauro: You can calculate the errors with Excel's LINEST function. This post gives an overview of six Excel regression tools. http://processtrends.com/toc_trend_analysis_with_Excel.htm Excel's help menu has a very good discussion of the LINEST function. Kelly O'Day
Mauro: You can calculate the errors with Excel's LINEST function. This post gives an overview of six Excel regression tools. http://processtrends.com/toc_trend_analysis_with_Excel.htm Excel's help menu has a very good discussion of the LINEST function. Kelly O'Day