search for: analysis_of_vari

Displaying 2 results from an estimated 2 matches for "analysis_of_vari".

2007 Jun 19
2
Preconditions for a variance analysis
Hello everbody, i'm currently using the anova()-test for a small data.frame of 40 rows and 2 columns. It works well, but is there any preconditions for a valid variance analysis, that i should consider? Thank you for your answer, Daniel
2011 Jun 22
1
Time-series analysis with treatment effects - statistical approach
Hello all R listers, I'm struggling to select an appropriate statistical method for my data set. I have collected soil moisture measurements every hour for 2 years. There are 75 sensors taking these automated measurements, spread evenly across 4 treatments and a control. I'm not interested in being able to predict soil future soil moisture trends, but rather in knowing whether the