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Hello, I have a problem... I tried using a function and I get the error: "ERROR: missing value where TRUE/FALSE needed" Here is my code: a<-mctp(Ecoli~Fecha, data=Datos, type = "Tukey", alternative = "two.sided", asy.method = "mult.t", plot.simci = TRUE)summary(a) Ecoli, Fecha and Datos are well defined. I don't know what is the problem... THANKS [[alternative HTML version deleted]]

...nt of data I get is small, hence my desire to resample. But thats not so important. I have used help from Kaplans Book: Statistical Modelling A Fresh Approach, to get write the following code for my project: samps = do(500)* coef(lm(MIC. ~ 1 + Challenge + Cleaner + Replicate, data=resample(ecoli))) sd(samps) But the "resample" and "do" operators are functions specific to a workspace that comes with the book, not a normal R setup. So I was thinking of ways I could achive the same result, or sort of result because the resample should be different each time, I think...

...e packages is the AnnotationDbi package: it contains 41 package templates under inst/: [hpages at latitude Rpacks]$ ls AnnotationDbi/inst/AnnDbPkg-templates/ AFFYHUEX.DB CHIMP.DB MALARIA.DB WORM.DB ANOPHELES.DB COELICOLOR.DB MOUSECHIP.DB XENOPUSCHIP.DB ARABIDOPSISCHIP.DB ECOLICHIP.DB MOUSE.DB XENOPUS.DB ARABIDOPSIS.DB ECOLI.DB ORGANISM.DB YEASTCHIP.DB BASEPKG.DB FLYCHIP.DB PFAM.DB YEAST.DB BOVINECHIP.DB FLY.DB PIGCHIP.DB YEASTNCBI.DB BOVINE.DB GO.DB PIG.DB ZEBRAFISHCHIP.DB CANINECHIP.DB...

...NatComm+FishIBIUsed +QHEI+QHEIsub+QHEImwh_h+QHEIcov+QHEIchan+QHEIrip+QHEIpool+QHEIrif+QHEIgrads+ QHEIgradv+QHEImwh+QHEIcovtype+QHEIwwh+QHab+QHabBuff+QHabEros+QhabPool+ QHabWDRatio+QHabRif+QHabFines+QHabCov+QHabRating+QHabSize+TP+TKN+NH3+NH3Min +NO3NO2N+BOD+TSS+TSSMax+TDS+SSC+SSCMax+Chloride+Sulfate+Ecoli+ChlA+DOper+ DOperMin+DOperMin1_5+DOmgL+DOmgLMean+DOmgLMax+Cond+pH+pHMax+Trans+Temp+ TempMin+Temp4+Crop100+Crop500+CropSub+Dev100+Dev500+DevSub+For100+For500+ ForSub+Pas100+Pas500+PasSub+Wat100+Wat500+WatSub+Wet100+Wet500+WetSub+ Undev100+Undev500+UndevTotal+Undev100NoPas+Undev500NoPas+UndevTotNoPas...

...y choosing the name (same name), and then "=" and then copied and pasted the function, beginning with function( and ending with the final }'s. But when I try to do the following in my workspace afterwards: samps = do(500)* coef(lm(MIC.~1+Challenge+Cleaner+Replicate, data=resample(ecoli))) sd(samps) I get an error: Error in do(500) * coef(lm(MIC. ~ 1 + Challenge + Cleaner + Replicate, : non-numeric argument to binary operator. But in the workspace that comes with that book, I get a decent output: sd(samps) (Intercept) Challenge CleanerGarlic ReplicateFirst Repli...