search for: tstnum

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2008 Jul 28
1
Mixed model question.
...head around that, move on to the two reduced models. I.e. I'd like to reproduce my simple-minded computations using lmer() --- which would give me a little bit of confidence that I'm driving lmer() correctly. *Can* the trivial model be fitted in lmer()? I tried using fit <- lmer(y ~ tstnum + (1|stdnt), data=schooldat) and got estimates of the coefficients for tstnum as follows: Fixed effects: Estimate Std. Error t value (Intercept) 3.22917 0.09743 33.14 tstnum2 0.46667 0.08461 5.52 tstnum3 0.50000 0.08461 5.91 tstnum4 0.83750 0.08461...
2023 Feb 11
1
scan(..., skip=1e11): infinite loop; cannot interrupt
...e. It's file type "Mork", which is mostly standard characters with "\n" between records of varying length. Is there some other function in R that allows me to read chunks of a large file like this? Thanks, Spencer Graves writeLines(as.character(1:11), 'tstNums.txt') (Tst2 <- scan('tstNums.txt', n=12, skip=5)) # works: 6 7 8 9 10 11 (Tst13 <- scan('tstNums.txt', n=12, skip=13)) # works: numeric(0) (tst1e11 <- scan('tst.txt', n=12, skip=1e11)) # Goes into an infinite loop that I cannot even interrupt. # I must kill R a...