On Sun, Nov 8, 2009 at 2:26 PM, Doran, Harold <hdo...@air.org> wrote:
> I've defined the following for objects of a class called jml
>
> summary.jml <- function(object, ...){
> tab <- cbind(Estimate = coef(object),
> StdError = object$se,
> Infit = object$Infit,
> Outfit = object$Outfit)
> res <- list(call = object$call, coefficients = tab,
> N = nrow(object$Data), iter = object$Iterations)
> class(res) <- "summary.jml"
> res
> }
>
> print.summary.jml <- function(x, ...){
> cat("Call:\n")
> print(x$call)
> cat("\n")
> cat("Number of iterations to completion:", x$iter, "\n")
> cat("Number of individuals used in estimation:", x$N, "\n")
> cat("\n")
> printCoefmat(x$coefficients)
> }
>
> Use of the methods on a fitted jml object yields:
>
>> summary(aa)
> Call:
> jml2.formula(formula = ~V1 + V2 + V3 + V4 + V5 + V6 + V7 + V8 +
> V9 + V10, data = itemDat, bias = F)
>
> Number of iterations to completion: 6
> Number of individuals used in estimation: 486
>
> StdError Infit Outfit
> [1,] -0.380346 0.103002 1.007466 0.9935
> [2,] 0.025939 0.104052 1.003050 1.0083
> [3,] 2.563784 0.171174 0.941453 0.9414
> [4,] -2.930519 0.156923 1.010786 1.0515
> [5,] 1.139241 0.118932 0.978101 1.1424
> [6,] -1.461751 0.111563 1.030612 1.2709
> [7,] 0.486202 0.107986 1.008374 1.0394
> [8,] -0.497102 0.103117 0.961431 0.9012
> [9,] -0.486478 0.103099 1.001752 0.9829
> [10,] 1.541029 0.129214 1.010011 0.9150
>
> Two questions. First, why is the name of the first column empty instead of
> "Estimate" as I have specified in the summary method?
Because you are using cbind to create the table. Use data.frame
instead. I think that will also help with the alignment issue.
> Second, I am struggling to get the row names of the coefficients to align
> with the formula call. For example, instead of
>
> StdError Infit Outfit
> [1,] -0.380346 0.103002 1.007466 0.9935
>
> I would prefer
>
> StdError Infit Outfit
> V1 -0.380346 0.103002 1.007466 0.9935
>
> This also occurs in my print method
>
> print.jml <- function(x, digits = 2, ...){
> cat("\nCall:\n", deparse(x$call), "\n\n", sep = "")
> cat("Coefficients:\n")
> print.default(format(coef(x), digits = digits), print.gap=2,
> quote = FALSE)
> invisible(x)
> }
>
> Which produces
>
>> win
> Call:
> jml2.default(dat = itemDat[, 1:10])
>
> Coefficients:
> [,1]
> [1,] -0.38034638
> [2,] 0.02593937
> [3,] 2.56378422
> [4,] -2.93051899
> [5,] 1.13924076
> [6,] -1.46175119
> [7,] 0.48620247
> [8,] -0.49710150
> [9,] -0.48647770
> [10,] 1.54102895
>
> Thank you
> Harold
>
>> sessionInfo()
> R version 2.10.0 (2009-10-26)
> i386-pc-mingw32
>
> locale:
> [1] LC_COLLATE=English_United States.1252 LC_CTYPE=English_United States.1252
> [3] LC_MONETARY=English_United States.1252 LC_NUMERIC=C
> [5] LC_TIME=English_United States.1252
>
> attached base packages:
> [1] stats graphics grDevices utils datasets methods base
>
> other attached packages:
> [1] MASS_7.3-3 lme4_0.999375-32 Matrix_0.999375-31 lattice_0.17-26
> [5] MiscPsycho_1.4 statmod_1.4.1
>
> loaded via a namespace (and not attached):
> [1] grid_2.10.0 plink_1.2-2 tools_2.10.0
> ______________________________________________
> R-devel@r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-devel
>
______________________________________________
R-devel@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-devel
