Hi you can check structure of any object by str so
str(fit0) should give you an insight how fit0 is structured and str(SumTukey) gives you structure of SumTukey object (which is probably list). You can manipulate with the output as you wish according to the rules of R. Cheers Petr > -----Original Message----- > From: R-help [mailto:r-help-boun...@r-project.org] On Behalf Of John > Sorkin > Sent: Friday, June 24, 2016 3:46 PM > To: r-help@r-project.org > Subject: [R] Add column to the output of summary(glht). > > > I am trying to make the leap from an R users to an R aficionado . . . > > I am trying to understand how add a column to the output of summary (and > to understand how summary() works). > > I have run a glmer > fit0 <- glmer(Fall ~ > Group+(1|PID),family=poisson(link="log"),data=data[data[,"Group"]!=0,]) > > and I want to perform adjusted multiple comparisons: > > SumTukey <- summary(glht(fit0, linfct= mcp(Group="Tukey"))) > > which gives beautiful output: > > > SumTukey > > Simultaneous Tests for General Linear Hypotheses > > Multiple Comparisons of Means: Tukey Contrasts > > > Fit: glmer(formula = Fall ~ Group + (1 | PID), data = data[data[, > "Group"] != 0, ], family = poisson(link = "log")) > > Linear Hypotheses: > Estimate Std. Error z value Pr(>|z|) > 2 - 1 == 0 0.5320 0.5075 1.048 0.717 > 3 - 1 == 0 0.6554 0.5000 1.311 0.551 > 4 - 1 == 0 0.9357 0.4655 2.010 0.181 > 3 - 2 == 0 0.1234 0.4174 0.296 0.991 > 4 - 2 == 0 0.4037 0.3754 1.075 0.700 > 4 - 3 == 0 0.2803 0.3651 0.768 0.867 > (Adjusted p values reported -- single-step method) > > I want to add a column to the output (unadjusted p-values), but I don't see > how this might be done. The output is not a dataframe, nor is it a matix. > > class(SumTukey) > [1] "summary.glht" "glht" > > It is some class of objects that I don't understand and know nothing about. > How can I add a column to the output of SumTukey [a.k.a. summary(glht(fit0, > linfct= mcp(Group="Tukey")))] ? > > Thank you > John > > > John David Sorkin M.D., Ph.D. > Professor of Medicine > Chief, Biostatistics and Informatics > University of Maryland School of Medicine Division of Gerontology and > Geriatric Medicine Baltimore VA Medical Center > 10 North Greene Street > GRECC (BT/18/GR) > Baltimore, MD 21201-1524 > (Phone) 410-605-7119 > (Fax) 410-605-7913 (Please call phone number above prior to faxing) > > Confidentiality Statement: > This email message, including any attachments, is for the sole use of the > intended recipient(s) and may contain confidential and privileged > information. 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