search for: fh2

SUMMARY: I'm proposing that R assert that 'connection' options have not changed since first created such that R will produce the following error: > fh <- file("a.txt", open = "w+") > cat("hello\n", file = fh) > close(fh) > fh2 <- file("b.txt", open = "w+") > cat("world\n", file = fh2) > cat("hello again\n", file = fh) Error in cat("hello again\n", file = fh) : invalid connection (non-existing 'conn_id') Note that, currently in R, the latter silently w...

...iptor opened with File.open vs File.nopen. You >can see this easily enough by doing something like this: > >fh1 = File.open("test1.txt","w+") >fh1.print "hello\nworld\n" >fh1.close > >Open this up with notepad - looks fine. Now try this: > >fh2 = File.nopen("test2.txt",nil,nil,File::OPEN_ALWAYS) >fh2.print "hello\nworld\n" >fh2.close > >Opened with notepad, you''ll see that the line endings aren''t the same >(although wordpad handles them properly). I guess I should find an >octal dum...

Hi all, Looking at the IO.readlines source in io.c, it looks to me like they grab 8k chunks, split on the input record separator, and buffer accordingly. Since it looks like ReadFileScatter() does some of that work automatically (in page file sized chunks), I thought I''d give it a try. Here''s what I''ve got, but it doesn''t work. I have an incorrect parameter

...0.1332918 1 # # Variance function: # Structure: fixed weights # Formula: ~var # Number of Observations: 43 # Number of Groups: 43 #Fay-Herriot model fitted using the variance function varSum defined above #A columns of zeros is added to tweak the varConstPower component milk$zero<-0 FH2<-gls(yi ~ as.factor(MajorArea),data=milk, weights=varSum(varConstPower(1,1,~zero,fixed=list(power=1)),varFixed(~var)), control=lmeControl(sigma = 1)) FH2 # Generalized least squares fit by REML # Model: yi ~ as.factor(MajorArea) # Data: milk # Log-restricted-likelihood: 5.165619 # # Coeffici...

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