Can anyone explain why Inf appears in the following results? > sapply(-1:-10, \(ncp) qt(1-1*(10^(-4+ncp)), 35, ncp)) [1] 3.6527153 3.0627759 2.4158355 1.7380812 1.0506904 0.3700821 [7] Inf -0.9279783 -1.5341759 -2.1085213
> sapply(seq(-6.9, -7.9, -0.1), \(ncp) qt(1-1*(10^(-4+ncp)), 35, ncp)) [1] -0.2268386 Inf Inf Inf -0.4857400 -0.5497784 [7] -0.6135402 -0.6770143 -0.7401974 -0.8030853 -0.8656810 In case it matters: > sessionInfo() R Under development (unstable) (2022-06-05 r82452) Platform: x86_64-pc-linux-gnu (64-bit) Running under: Linux From Scratch r11.0-165 Matrix products: default BLAS: /usr/lib/R/lib/libRblas.so LAPACK: /usr/lib/R/lib/libRlapack.so locale: [1] LC_CTYPE=en_US.UTF-8 LC_NUMERIC=C [3] LC_TIME=en_US.UTF-8 LC_COLLATE=en_US.UTF-8 [5] LC_MONETARY=en_US.UTF-8 LC_MESSAGES=en_US.UTF-8 [7] LC_PAPER=en_US.UTF-8 LC_NAME=C [9] LC_ADDRESS=C LC_TELEPHONE=C [11] LC_MEASUREMENT=en_US.UTF-8 LC_IDENTIFICATION=C attached base packages: [1] stats graphics grDevices utils datasets methods base loaded via a namespace (and not attached): [1] compiler_4.3.0 tools_4.3.0 Thanks. Steve Berman ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.