garytse86 Posted February 24, 2004 Share Posted February 24, 2004 Hello there. I have just finished a biological experiment on "effect of trypsin concentration on rate of casein hydrolysis" I have already obtained a graph, and I used a program called "Graphpad Prism" to analyse the data usin nonlinear regression (3rd degree polynomial). I have got all the parameters like sy.x, degrees of freedom... But how do I use these parameters to analyse whether my results are reliable, and by varying enzyme concentration results in an increase in rate? I have also considered Spearman's rank coefficient but this is only for linear relationships. What else can I do to determine whether my results show regression? Link to comment Share on other sites More sharing options...
Skye Posted February 24, 2004 Share Posted February 24, 2004 I'm not really sure, maybe it's possible to transform the data and do a linear regression? Link to comment Share on other sites More sharing options...
garytse86 Posted February 24, 2004 Author Share Posted February 24, 2004 but don't you lose a lot of the accuracy if you do the transformation? Link to comment Share on other sites More sharing options...
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