Hi, I assume you want to know the digit count to the left of decimal point. If this is the case, then you may use trunc(log10(max(1,trunc(abs(a)))))+1 for a numerical variable a. Count 0.12 as having one digit to the left of decimal point.
> trunc(log10(max(1,trunc(abs(-100000.99)))))+1 [1] 6 > trunc(log10(max(1,trunc(abs(0)))))+1 [1] 1 > trunc(log10(max(1,trunc(abs(9.999)))))+1 [1] 1 > trunc(log10(max(1,trunc(abs(19.999)))))+1 [1] 2 > trunc(log10(max(1,trunc(abs(-1999.999)))))+1 [1] 4 -- View this message in context: http://r.789695.n4.nabble.com/How-many-digits-are-there-in-left-of-dot-of-0-0001-tp4703842p4703847.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ 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.
