search for: _treat

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

Did you mean: treat
2007 Feb 24
0
Multiple comparisons when interacction]
...roc mixed data=uno; class treat year block; model yield=block year treat treat*year; lsmeans year treat /pdiff; lsmeans treat*year /slice=year pdiff; ods output diffs=dos; run; data tres; set dos; if year=_year; proc print data=tres; var year _year treat _treat estimate stderr df tvalue probt; run; Data are attached as a file: data.csv. In fact, I do not know if this is the best approach to analyze the data: - Should block be considered as random? We use the same file and randomization every year. We are interested in the long term effect of the treatm...
2007 Jan 29
3
Multiple comparisons when interacction
In the model: lm.1 <- lm(variable ~ BLOC + TIL * YEAR , data=selvanera) I found TIL*YEAR interaction significant. Then I am trying to compare means of the different levels of TIL inside every YEAR using: mc.2 <- glht(lm.1, linfct = mcp(TIL*YEAR="Tukey")) summary(mc.2, test = univariate()) but it does not work. There is any way of doing this, like the SLICE option in