[BioC] how to update DEseq package on windows?

[wang peter]

my DEseq package could not find the
estimateDispersions( ) function
but it can find the  old function
 estimateVarianceFunctions(cds)

i donot know how to update this package

> sessionInfo()
R version 2.13.1 (2011-07-08)
Platform: x86_64-pc-mingw32/x64 (64-bit)

locale:
[1] LC_COLLATE=Chinese (Simplified)_People's Republic of China.936
[2] LC_CTYPE=Chinese (Simplified)_People's Republic of China.936
[3] LC_MONETARY=Chinese (Simplified)_People's Republic of China.936
[4] LC_NUMERIC=C
[5] LC_TIME=Chinese (Simplified)_People's Republic of China.936

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base

other attached packages:
[1] DESeq_1.4.1     locfit_1.5-6    lattice_0.19-30 akima_0.5-7
Biobase_2.12.2

loaded via a namespace (and not attached):
 [1] annotate_1.30.1      AnnotationDbi_1.14.1 DBI_0.2-5
genefilter_1.34.0    geneplotter_1.30.0
 [6] grid_2.13.1          RColorBrewer_1.0-5   RSQLite_0.10.0
splines_2.13.1       survival_2.36-9
[11] tools_2.13.1         xtable_1.5-6

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