On 2024-07-29 10:06 a.m., Göran Broström wrote:
I have a "result":> hazards (60, 70] (70, 80] (80, 90] (90, 100] [1,] 0.046612937 0.115643783 0.273613266 0.450127975 Two issues: (i) Too many decimals, and (ii) it seems to be an 1x4 matrix, I only need the first row. (i): > haz <- round(hazards, 3) > haz (60, 70] (70, 80] (80, 90] (90, 100] [1,] 0.047 0.116 0.274 0.45 As expected, the fourth element lost a trailing zero. I'll deal with that, but first (ii): > haz[1, ] (60, 70] (70, 80] (80, 90] (90, 100] 0.047 0.116 0.274 0.450 And the trailing zero is mysteriously recovered! Is there some general rule governing this behaviour?
R uses the same format for every element in each column when printing a matrix or dataframe, and for every element in a vector.
Your first example had only one element per column. If you had printed t(haz) you'd get numbers displayed like the second version, where haz[1,] converts that row to a vector.
Duncan Murdoch ______________________________________________ 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.
