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R Under development (unstable) (2012-03-12 r58696)
Copyright (C) 2012 The R Foundation for Statistical Computing
ISBN 3-900051-07-0
Platform: x86_64-unknown-linux-gnu (64-bit)
R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.
R is a collaborative project with many contributors.
Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.
Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.
> #### Testing print(), format() and the like --- mainly with numeric()
> ####
> #### to be run as
> ####
> #### R < print-tests.R >& print-tests.out-__version__
> #### == (csh)
> opt.conformance <- 0
>
> DIG <- function(d)
+ if(missing(d)) getOption("digits") else options(digits=as.integer(d))
>
> DIG(7)#-- the default; just to make sure ...
> options(width = 200)
>
> n1 <- 2^(4*1:7)
> i1 <- as.integer(n1)
>
> v1 <- 2^c(-12, 2*(-4:-2),3,6,9)
> v2 <- v1^(63/64)
> ## avoid ending in `5' as printing then depends on rounding of
> ## the run-time (and not all round to even).
> v1[1:4] <-c(2.44140624e-04, 3.90624e-03, 1.5624e-02, 6.24e-02)
>
>
> v3 <- pi*100^(-1:3)
> v4 <- (0:2)/1000 + 1e-10 #-- tougher one
>
> digs1 <- c(1,2*(1:5),11:15) # 16: platform dependent
> # 30 gives ERROR : options(digits=30)
> digs2 <- c(1:20)#,30) gives 'error' in R: ``print.default(): invalid digits..''
>
> all(i1 == n1)# TRUE
[1] TRUE
> i1# prints nicely
[1] 16 256 4096 65536 1048576 16777216 268435456
> n1# did not; does now (same as 'i1')
[1] 16 256 4096 65536 1048576 16777216 268435456
>
> round (v3, 3)#S+ & R 0.49:
[1] 0.031 3.142 314.159 31415.927 3141592.654
> ##[1] 0.031 3.142 314.159 31415.927 3141592.654
> signif(v3, 3)
[1] 3.14e-02 3.14e+00 3.14e+02 3.14e+04 3.14e+06
> ##R.49: [1] 0.0314 3.1400 314.0000 31400.0000 3140000.0000
> ##S+ [1] 3.14e-02 3.14e+00 3.14e+02 3.14e+04 3.14e+06
>
> ###----------------------------------------------------------------
> ##- Date: Tue, 20 May 97 17:11:18 +0200
>
> ##- From: Martin Maechler <maechler@stat.math.ethz.ch>
> ##- To: R-devel@stat.math.ethz.ch
> ##- Subject: R-alpha: print 'problems': print(2^30, digits=12); comments at start of function()
> ##-
> ##- Both of these bugs are not a real harm,
> ##- however, they have been annoying me for too long ... ;-)
> ##-
> ##- 1)
> print (2^30, digits = 12) #- WAS exponential form, unnecessarily -- now ok
[1] 1073741824
> formatC(2^30, digits = 12) #- shows you what you'd want above
[1] " 1073741824"
>
> ## S and R are now the same here; note that the problem also affects
> ## paste(.) & format(.) :
>
> DIG(10); paste(n1); DIG(7)
[1] "16" "256" "4096" "65536" "1048576" "16777216" "268435456"
>
>
> ## Assignment to .Options$digits: Does NOT work for print() nor cat()
> for(i in digs1) { .Options$digits <- i; cat(i,":"); print (v1[-1]) }
1 :[1] 3.90624e-03 1.56240e-02 6.24000e-02 8.00000e+00 6.40000e+01 5.12000e+02
2 :[1] 3.90624e-03 1.56240e-02 6.24000e-02 8.00000e+00 6.40000e+01 5.12000e+02
4 :[1] 3.90624e-03 1.56240e-02 6.24000e-02 8.00000e+00 6.40000e+01 5.12000e+02
6 :[1] 3.90624e-03 1.56240e-02 6.24000e-02 8.00000e+00 6.40000e+01 5.12000e+02
8 :[1] 3.90624e-03 1.56240e-02 6.24000e-02 8.00000e+00 6.40000e+01 5.12000e+02
10 :[1] 3.90624e-03 1.56240e-02 6.24000e-02 8.00000e+00 6.40000e+01 5.12000e+02
11 :[1] 3.90624e-03 1.56240e-02 6.24000e-02 8.00000e+00 6.40000e+01 5.12000e+02
12 :[1] 3.90624e-03 1.56240e-02 6.24000e-02 8.00000e+00 6.40000e+01 5.12000e+02
13 :[1] 3.90624e-03 1.56240e-02 6.24000e-02 8.00000e+00 6.40000e+01 5.12000e+02
14 :[1] 3.90624e-03 1.56240e-02 6.24000e-02 8.00000e+00 6.40000e+01 5.12000e+02
15 :[1] 3.90624e-03 1.56240e-02 6.24000e-02 8.00000e+00 6.40000e+01 5.12000e+02
>
> ## using options() *does* things
> for(i in digs1) { DIG(i); cat(i,":"); print (v3) }
1 :[1] 3e-02 3e+00 3e+02 3e+04 3e+06
2 :[1] 3.1e-02 3.1e+00 3.1e+02 3.1e+04 3.1e+06
4 :[1] 3.142e-02 3.142e+00 3.142e+02 3.142e+04 3.142e+06
6 :[1] 3.14159e-02 3.14159e+00 3.14159e+02 3.14159e+04 3.14159e+06
8 :[1] 3.1415927e-02 3.1415927e+00 3.1415927e+02 3.1415927e+04 3.1415927e+06
10 :[1] 3.141592654e-02 3.141592654e+00 3.141592654e+02 3.141592654e+04 3.141592654e+06
11 :[1] 3.1415926536e-02 3.1415926536e+00 3.1415926536e+02 3.1415926536e+04 3.1415926536e+06
12 :[1] 3.14159265359e-02 3.14159265359e+00 3.14159265359e+02 3.14159265359e+04 3.14159265359e+06
13 :[1] 3.14159265359e-02 3.14159265359e+00 3.14159265359e+02 3.14159265359e+04 3.14159265359e+06
14 :[1] 3.1415926535898e-02 3.1415926535898e+00 3.1415926535898e+02 3.1415926535898e+04 3.1415926535898e+06
15 :[1] 3.14159265358979e-02 3.14159265358979e+00 3.14159265358979e+02 3.14159265358979e+04 3.14159265358979e+06
> for(i in digs1) { DIG(i); cat(i,":", formatC(v3, digits=i, width=8),"\n") }
1 : 0.03 3 3e+02 3e+04 3e+06
2 : 0.031 3.1 3.1e+02 3.1e+04 3.1e+06
4 : 0.03142 3.142 314.2 3.142e+04 3.142e+06
6 : 0.0314159 3.14159 314.159 31415.9 3.14159e+06
8 : 0.031415927 3.1415927 314.15927 31415.927 3141592.7
10 : 0.03141592654 3.141592654 314.1592654 31415.92654 3141592.654
11 : 0.031415926536 3.1415926536 314.15926536 31415.926536 3141592.6536
12 : 0.0314159265359 3.14159265359 314.159265359 31415.9265359 3141592.65359
13 : 0.0314159265359 3.14159265359 314.159265359 31415.9265359 3141592.65359
14 : 0.031415926535898 3.1415926535898 314.15926535898 31415.926535898 3141592.6535898
15 : 0.0314159265358979 3.14159265358979 314.159265358979 31415.9265358979 3141592.65358979
>
>
> ## R-0.50: switches to NON-exp at 14, but should only at 15...
> ## R-0.61++: doesn' switch at all (or at 20 only)
> ## S-plus: does not switch at all..
> for(i in digs1) { cat(i,":"); print(v1, digits=i) }
1 :[1] 2e-04 4e-03 2e-02 6e-02 8e+00 6e+01 5e+02
2 :[1] 2.4e-04 3.9e-03 1.6e-02 6.2e-02 8.0e+00 6.4e+01 5.1e+02
4 :[1] 2.441e-04 3.906e-03 1.562e-02 6.240e-02 8.000e+00 6.400e+01 5.120e+02
6 :[1] 2.44141e-04 3.90624e-03 1.56240e-02 6.24000e-02 8.00000e+00 6.40000e+01 5.12000e+02
8 :[1] 2.4414062e-04 3.9062400e-03 1.5624000e-02 6.2400000e-02 8.0000000e+00 6.4000000e+01 5.1200000e+02
10 :[1] 2.44140624e-04 3.90624000e-03 1.56240000e-02 6.24000000e-02 8.00000000e+00 6.40000000e+01 5.12000000e+02
11 :[1] 2.44140624e-04 3.90624000e-03 1.56240000e-02 6.24000000e-02 8.00000000e+00 6.40000000e+01 5.12000000e+02
12 :[1] 2.44140624e-04 3.90624000e-03 1.56240000e-02 6.24000000e-02 8.00000000e+00 6.40000000e+01 5.12000000e+02
13 :[1] 2.44140624e-04 3.90624000e-03 1.56240000e-02 6.24000000e-02 8.00000000e+00 6.40000000e+01 5.12000000e+02
14 :[1] 2.44140624e-04 3.90624000e-03 1.56240000e-02 6.24000000e-02 8.00000000e+00 6.40000000e+01 5.12000000e+02
15 :[1] 2.44140624e-04 3.90624000e-03 1.56240000e-02 6.24000000e-02 8.00000000e+00 6.40000000e+01 5.12000000e+02
>
> ## R 0.50-a1: switches at 10 inst. 11
> for(i in digs1) { cat(i,":"); print(v1[-1], digits=i) }
1 :[1] 4e-03 2e-02 6e-02 8e+00 6e+01 5e+02
2 :[1] 3.9e-03 1.6e-02 6.2e-02 8.0e+00 6.4e+01 5.1e+02
4 :[1] 3.906e-03 1.562e-02 6.240e-02 8.000e+00 6.400e+01 5.120e+02
6 :[1] 3.90624e-03 1.56240e-02 6.24000e-02 8.00000e+00 6.40000e+01 5.12000e+02
8 :[1] 3.90624e-03 1.56240e-02 6.24000e-02 8.00000e+00 6.40000e+01 5.12000e+02
10 :[1] 3.90624e-03 1.56240e-02 6.24000e-02 8.00000e+00 6.40000e+01 5.12000e+02
11 :[1] 3.90624e-03 1.56240e-02 6.24000e-02 8.00000e+00 6.40000e+01 5.12000e+02
12 :[1] 3.90624e-03 1.56240e-02 6.24000e-02 8.00000e+00 6.40000e+01 5.12000e+02
13 :[1] 3.90624e-03 1.56240e-02 6.24000e-02 8.00000e+00 6.40000e+01 5.12000e+02
14 :[1] 3.90624e-03 1.56240e-02 6.24000e-02 8.00000e+00 6.40000e+01 5.12000e+02
15 :[1] 3.90624e-03 1.56240e-02 6.24000e-02 8.00000e+00 6.40000e+01 5.12000e+02
>
> for(i in digs1) { DIG(i); cat(i,":", formatC(v2, digits=i, width=8),"\n") }
1 : 0.0003 0.004 0.02 0.07 8 6e+01 5e+02
2 : 0.00028 0.0043 0.017 0.065 7.7 60 4.6e+02
4 : 0.000278 0.00426 0.01667 0.06527 7.744 59.97 464.4
6 : 0.000278025 0.0042598 0.0166741 0.0652671 7.74425 59.9734 464.449
8 : 0.00027802457 0.0042597958 0.016674069 0.065267111 7.7442472 59.973364 464.44856
10 : 0.000278024569 0.004259795831 0.01667406876 0.0652671114 7.744247174 59.97336429 464.4485569
11 : 0.00027802456903 0.0042597958307 0.016674068761 0.065267111402 7.744247174 59.973364292 464.44855693
12 : 0.000278024569032 0.00425979583072 0.0166740687606 0.0652671114017 7.74424717397 59.9733642915 464.448556928
13 : 0.0002780245690324 0.004259795830724 0.01667406876058 0.06526711140171 7.744247173969 59.97336429153 464.4485569281
14 : 0.0002780245690324 0.0042597958307237 0.016674068760575 0.065267111401713 7.7442471739692 59.97336429153 464.4485569281
15 : 0.000278024569032395 0.00425979583072366 0.0166740687605754 0.0652671114017134 7.74424717396918 59.9733642915296 464.448556928102
>
> for(i in digs1) { cat(i,":"); print(v2, digits=i) } #-- exponential all thru
1 :[1] 3e-04 4e-03 2e-02 7e-02 8e+00 6e+01 5e+02
2 :[1] 2.8e-04 4.3e-03 1.7e-02 6.5e-02 7.7e+00 6.0e+01 4.6e+02
4 :[1] 2.780e-04 4.260e-03 1.667e-02 6.527e-02 7.744e+00 5.997e+01 4.644e+02
6 :[1] 2.78025e-04 4.25980e-03 1.66741e-02 6.52671e-02 7.74425e+00 5.99734e+01 4.64449e+02
8 :[1] 2.7802457e-04 4.2597958e-03 1.6674069e-02 6.5267111e-02 7.7442472e+00 5.9973364e+01 4.6444856e+02
10 :[1] 2.780245690e-04 4.259795831e-03 1.667406876e-02 6.526711140e-02 7.744247174e+00 5.997336429e+01 4.644485569e+02
11 :[1] 2.7802456903e-04 4.2597958307e-03 1.6674068761e-02 6.5267111402e-02 7.7442471740e+00 5.9973364292e+01 4.6444855693e+02
12 :[1] 2.78024569032e-04 4.25979583072e-03 1.66740687606e-02 6.52671114017e-02 7.74424717397e+00 5.99733642915e+01 4.64448556928e+02
13 :[1] 2.780245690324e-04 4.259795830724e-03 1.667406876058e-02 6.526711140171e-02 7.744247173969e+00 5.997336429153e+01 4.644485569281e+02
14 :[1] 2.7802456903240e-04 4.2597958307237e-03 1.6674068760575e-02 6.5267111401713e-02 7.7442471739692e+00 5.9973364291530e+01 4.6444855692810e+02
15 :[1] 2.78024569032395e-04 4.25979583072366e-03 1.66740687605754e-02 6.52671114017134e-02 7.74424717396918e+00 5.99733642915296e+01 4.64448556928102e+02
> ## ^^^^^ digs2 (>= 18: PLATFORM dependent !!
> for(i in digs1) { cat(i,":", formatC(v2, digits=i, width=8),"\n") }
1 : 0.0003 0.004 0.02 0.07 8 6e+01 5e+02
2 : 0.00028 0.0043 0.017 0.065 7.7 60 4.6e+02
4 : 0.000278 0.00426 0.01667 0.06527 7.744 59.97 464.4
6 : 0.000278025 0.0042598 0.0166741 0.0652671 7.74425 59.9734 464.449
8 : 0.00027802457 0.0042597958 0.016674069 0.065267111 7.7442472 59.973364 464.44856
10 : 0.000278024569 0.004259795831 0.01667406876 0.0652671114 7.744247174 59.97336429 464.4485569
11 : 0.00027802456903 0.0042597958307 0.016674068761 0.065267111402 7.744247174 59.973364292 464.44855693
12 : 0.000278024569032 0.00425979583072 0.0166740687606 0.0652671114017 7.74424717397 59.9733642915 464.448556928
13 : 0.0002780245690324 0.004259795830724 0.01667406876058 0.06526711140171 7.744247173969 59.97336429153 464.4485569281
14 : 0.0002780245690324 0.0042597958307237 0.016674068760575 0.065267111401713 7.7442471739692 59.97336429153 464.4485569281
15 : 0.000278024569032395 0.00425979583072366 0.0166740687605754 0.0652671114017134 7.74424717396918 59.9733642915296 464.448556928102
>
> DIG(7)#-- the default; just to make sure ...
>
> N1 <- 10; N2 <- 7; n <- 8
> x <- 0:N1
> Mhyp <- rbind(phyper(x, N1, N2, n), dhyper(x, N1, N2, n))
> Mhyp
[,1] [,2] [,3] [,4] [,5] [,6] [,7] [,8] [,9] [,10] [,11]
[1,] 0 0.0004113534 0.01336898 0.117030 0.4193747 0.7821884 0.9635952 0.99814891 1.00000000 1 1
[2,] 0 0.0004113534 0.01295763 0.103661 0.3023447 0.3628137 0.1814068 0.03455368 0.00185109 0 0
> ##- [,1] [,2] [,3] [,4] [,5] [,6] [,7]
> ##- [1,] 0 0.0004113534 0.01336898 0.117030 0.4193747 0.7821884 0.9635952
> ##- [2,] 0 0.0004113534 0.01295763 0.103661 0.3023447 0.3628137 0.1814068
> ##- [,8] [,9] [,10] [,11]
> ##- [1,] 0.99814891 1.00000000 1 1
> ##- [2,] 0.03455368 0.00185109 0 0
>
> m11 <- c(-1,1)
> Mm <- pi*outer(m11, 10^(-5:5))
> Mm <- cbind(Mm, outer(m11, 10^-(5:1)))
> Mm
[,1] [,2] [,3] [,4] [,5] [,6] [,7] [,8] [,9] [,10] [,11] [,12] [,13] [,14] [,15] [,16]
[1,] -3.141593e-05 -0.0003141593 -0.003141593 -0.03141593 -0.3141593 -3.141593 -31.41593 -314.1593 -3141.593 -31415.93 -314159.3 -1e-05 -1e-04 -0.001 -0.01 -0.1
[2,] 3.141593e-05 0.0003141593 0.003141593 0.03141593 0.3141593 3.141593 31.41593 314.1593 3141.593 31415.93 314159.3 1e-05 1e-04 0.001 0.01 0.1
> do.p <- TRUE
> do.p <- FALSE
> for(di in 1:10) {
+ options(digits=di)
+ cat(if(do.p)"\n",formatC(di,w=2),":", format.info(Mm),"\n")
+ if(do.p)print(Mm)
+ }
1 : 6 0 1
2 : 8 1 1
3 : 9 2 1
4 : 10 3 1
5 : 11 4 1
6 : 12 5 1
7 : 13 6 1
8 : 14 7 1
9 : 15 8 1
10 : 16 9 1
> ##-- R-0.49 (4/1997) R-0.50-a1 (7.7.97)
> ##- 1 : 13 5 0 1 : 6 0 1
> ##- 2 : 8 1 1 = 2 : 8 1 1
> ##- 3 : 9 2 1 = 3 : 9 2 1
> ##- 4 : 10 3 1 = 4 : 10 3 1
> ##- 5 : 11 4 1 = 5 : 11 4 1
> ##- 6 : 12 5 1 = 6 : 12 5 1
> ##- 7 : 13 6 1 = 7 : 13 6 1
> ##- 8 : 14 7 1 = 8 : 14 7 1
> ##- 9 : 15 8 1 = 9 : 15 8 1
> ##- 10 : 16 9 1 = 10 : 16 9 1
> nonFin <- list(c(Inf,-Inf), c(NaN,NA), NA_real_, Inf)
> mm <- sapply(nonFin, format.info)
> fm <- lapply(nonFin, format)
> w <- c(4,3,2,3)
> stopifnot(sapply(lapply(fm, nchar), max) == w,
+ mm == rbind(w, 0, 0))# m[2,] was 2147483647; m[3,] was 1
> cnF <- c(lapply(nonFin, function(x) complex(re=x, im=x))[-3],
+ complex(re=NaN, im=-Inf))
> cmm <- sapply(cnF, format.info)
> cfm <- lapply(cnF, format)
> cw <- sapply(lapply(cfm, nchar), max)
> stopifnot(cw == cmm[1,]+1 +cmm[4,]+1,
+ nchar(format(c(NA, 1 + 2i))) == 4)# wrongly was (5,4)
>
>
> ##-- Ok now, everywhere
> for(d in 1:9) {cat(d,":"); print(v4, digits=d) }
1 :[1] 1e-10 1e-03 2e-03
2 :[1] 1e-10 1e-03 2e-03
3 :[1] 1e-10 1e-03 2e-03
4 :[1] 1e-10 1e-03 2e-03
5 :[1] 1e-10 1e-03 2e-03
6 :[1] 1e-10 1e-03 2e-03
7 :[1] 1e-10 1e-03 2e-03
8 :[1] 0.0000000001 0.0010000001 0.0020000001
9 :[1] 0.0000000001 0.0010000001 0.0020000001
> DIG(7)
>
>
> ###------------ Very big and very small
> umach <- unlist(.Machine)[paste("double.x", c("min","max"), sep='')]
> xmin <- umach[1]
> xmax <- umach[2]
> tx <- unique(c(outer(-1:1,c(.1,1e-3,1e-7))))# 7 values (out of 9)
> tx <- unique(sort(c(outer(umach,1+tx))))# 11 values (+ 1 Inf)
> length(tx <- tx[is.finite(tx)]) # 11
[1] 11
> (txp <- tx[tx >= 1])#-- Positive exponent -- 4 values
[1] 1.617924e+308 1.795895e+308 1.797693e+308 1.797693e+308
> (txn <- tx[tx < 1])#-- Negative exponent -- 7 values
[1] 2.002566e-308 2.222849e-308 2.225074e-308 2.225074e-308 2.225074e-308 2.227299e-308 2.447581e-308
>
> x2 <- c(0.099999994, 0.2)
> x2 # digits=7: show all seven "9"s
[1] 0.09999999 0.20000000
> print(x2, digits=6) # 0.1 0.2 , not 0.10 0.20
[1] 0.1 0.2
> v <- 6:8; names(v) <- v; sapply(v, format.info, x=x2)
6 7 8
[1,] 3 10 11
[2,] 1 8 9
[3,] 0 0 0
>
> (z <- sort(c(outer(range(txn), 8^c(0,2:3)))))
[1] 2.002566e-308 2.447581e-308 1.281643e-306 1.566452e-306 1.025314e-305 1.253162e-305
> outer(z, 0:6, signif) # had NaN's till 1.1.1
[,1] [,2] [,3] [,4] [,5] [,6] [,7]
[1,] 2e-308 2e-308 2.0e-308 2.00e-308 2.003e-308 2.0026e-308 2.00257e-308
[2,] 2e-308 2e-308 2.4e-308 2.45e-308 2.448e-308 2.4476e-308 2.44758e-308
[3,] 1e-306 1e-306 1.3e-306 1.28e-306 1.282e-306 1.2816e-306 1.28164e-306
[4,] 2e-306 2e-306 1.6e-306 1.57e-306 1.566e-306 1.5665e-306 1.56645e-306
[5,] 1e-305 1e-305 1.0e-305 1.03e-305 1.025e-305 1.0253e-305 1.02531e-305
[6,] 1e-305 1e-305 1.3e-305 1.25e-305 1.253e-305 1.2532e-305 1.25316e-305
>
> olddig <- options(digits=14) # RH6.0 fails at 15
> z <- 1.234567891234567e27
> for(dig in 1:14) cat(formatC(dig,w=2),
+ format(z, digits=dig), signif(z, digits=dig), "\n")
1 1e+27 1e+27
2 1.2e+27 1.2e+27
3 1.23e+27 1.23e+27
4 1.235e+27 1.235e+27
5 1.2346e+27 1.2346e+27
6 1.23457e+27 1.23457e+27
7 1.234568e+27 1.234568e+27
8 1.2345679e+27 1.2345679e+27
9 1.23456789e+27 1.23456789e+27
10 1.234567891e+27 1.234567891e+27
11 1.2345678912e+27 1.2345678912e+27
12 1.23456789123e+27 1.23456789123e+27
13 1.234567891235e+27 1.234567891235e+27
14 1.2345678912346e+27 1.2345678912346e+27
> options(olddig)
> # The following are tests of printf inside formatC
> ##------ Use Emacs screen width 134 ; Courier 12 ----
> # cat("dig| formatC(txp, d=dig)\n")
> # for(dig in 1:17)# about >= 18 is platform dependent [libc's printf()..].
> # cat(formatC(dig,w=2), formatC(txp, dig=dig, wid=-29),"\n")
> # cat("signif() behavior\n~~~~~~~~\n",
> # "dig| formatC(signif(txp, dig=dig), dig = dig\n")
> # for(dig in 1:15)#
> # cat(formatC(dig,w=2), formatC(signif(txp, d=dig), dig=dig, wid=-26),"\n")
>
> # if(opt.conformance >= 1) {
> # noquote(cbind(formatC(txp, dig = 22)))
> # }
>
> # cat("dig| formatC(signif(txn, d = dig), dig=dig\n")
> # for(dig in 1:15)#
> # cat(formatC(dig,w=2), formatC(signif(txn, d=dig), dig=dig, wid=-20),"\n")
>
> # ##-- Testing 'print' / digits :
> # for(dig in 1:13) { ## 12:13: libc-2.0.7 diff; 14:18 --- PLATFORM-dependent !!!
> # cat("dig=",formatC(dig,w=2),": "); print(signif(txp, d=dig),dig=dig+1)
> # }
>
> ##-- Wrong alignment when printing character matrices with quote = FALSE
> m1 <- matrix(letters[1:24],6,4)
> m1
[,1] [,2] [,3] [,4]
[1,] "a" "g" "m" "s"
[2,] "b" "h" "n" "t"
[3,] "c" "i" "o" "u"
[4,] "d" "j" "p" "v"
[5,] "e" "k" "q" "w"
[6,] "f" "l" "r" "x"
> noquote(m1)
[,1] [,2] [,3] [,4]
[1,] a g m s
[2,] b h n t
[3,] c i o u
[4,] d j p v
[5,] e k q w
[6,] f l r x
>
> ##--- Complex matrices and named vectors :
>
> x0 <- x <- c(1+1i, 1.2 + 10i)
> names(x) <- c("a","b")
> x
a b
1.0+ 1i 1.2+10i
> (xx <- rbind(x, 2*x))
a b
x 1+1i 1.2+10i
2+2i 2.4+20i
> rbind(x0, 2*x0)
[,1] [,2]
x0 1+1i 1.2+10i
2+2i 2.4+20i
> x[4:6] <- c(Inf,Inf*c(-1,1i))
> x + pi
a b
4.141593+ 1i 4.341593+ 10i NA Inf+ 0i -Inf+NaNi NaN+Infi
> matrix(x + pi, 2)
[,1] [,2] [,3]
[1,] 4.141593+ 1i NA -Inf+NaNi
[2,] 4.341593+10i Inf+0i NaN+Infi
> matrix(x + 1i*pi, 3)
[,1] [,2]
[1,] 1.0+ 4.141593i Inf+3.141593i
[2,] 1.2+13.141593i -Inf+ NaNi
[3,] NA NaN+ Infi
> xx + pi
a b
x 4.141593+1i 4.34159+10i
5.141593+2i 5.54159+20i
> t(cbind(xx, xx+ 1i*c(1,pi)))
x
a 1.0+ 1i 2.0+ 2.000000i
b 1.2+10i 2.4+20.000000i
a 1.0+ 2i 2.0+ 5.141593i
b 1.2+11i 2.4+23.141593i
>
> #--- format checks after incorrect changes in Nov 2000
> zz <- data.frame("(row names)" = c("aaaaa", "b"), check.names = FALSE)
> format(zz)
(row names)
1 aaaaa
2 b
> format(zz, justify = "left")
(row names)
1 aaaaa
2 b
> zz <- data.frame(a = I("abc"), b = I("def\"gh"))
> format(zz)
a b
1 abc def"gh
> # " (font-locking: closing the string above)
>
> # test format.data.frame on former AsIs's.
> set.seed(321)
> dd <- data.frame(x = 1:5, y = rnorm(5), z = c(1, 2, NA, 4, 5))
> model <- glm(y ~ x, data = dd, subset = 1:4, na.action = na.omit)
> expand.model.frame(model, "z", na.expand = FALSE)
y x z
1 1.7049032 1 1
2 -0.7120386 2 2
4 -0.1196490 4 4
> expand.model.frame(model, "z", na.expand = TRUE)
y x z
1 1.7049032 1 1
2 -0.7120386 2 2
3 -0.2779849 3 NA
4 -0.1196490 4 4
>
> ## print.table() changes affecting summary.data.frame
> options(width=82)
> summary(attenu) # ``one line''
event mag station dist accel
Min. : 1.00 Min. :5.000 117 : 5 Min. : 0.50 Min. :0.00300
1st Qu.: 9.00 1st Qu.:5.300 1028 : 4 1st Qu.: 11.32 1st Qu.:0.04425
Median :18.00 Median :6.100 113 : 4 Median : 23.40 Median :0.11300
Mean :14.74 Mean :6.084 112 : 3 Mean : 45.60 Mean :0.15422
3rd Qu.:20.00 3rd Qu.:6.600 135 : 3 3rd Qu.: 47.55 3rd Qu.:0.21925
Max. :23.00 Max. :7.700 (Other):147 Max. :370.00 Max. :0.81000
NA's : 16
> lst <- levels(attenu$station)
> levels(attenu$station)[lst == "117"] <- paste(rep(letters,3),collapse="")
> summary(attenu) # {2 + one long + 2 } variables
event mag
Min. : 1.00 Min. :5.000
1st Qu.: 9.00 1st Qu.:5.300
Median :18.00 Median :6.100
Mean :14.74 Mean :6.084
3rd Qu.:20.00 3rd Qu.:6.600
Max. :23.00 Max. :7.700
station
abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz: 5
1028 : 4
113 : 4
112 : 3
135 : 3
(Other) :147
NA's : 16
dist accel
Min. : 0.50 Min. :0.00300
1st Qu.: 11.32 1st Qu.:0.04425
Median : 23.40 Median :0.11300
Mean : 45.60 Mean :0.15422
3rd Qu.: 47.55 3rd Qu.:0.21925
Max. :370.00 Max. :0.81000
> ## in 1.7.0, things were split to more lines
>
> ## format.default(*, nsmall > 0) -- for real and complex
>
> sf <- function(x, N=14) sapply(0:N, function(i) format(x,nsmall=i))
> sf(2)
[1] "2" "2.0" "2.00" "2.000"
[5] "2.0000" "2.00000" "2.000000" "2.0000000"
[9] "2.00000000" "2.000000000" "2.0000000000" "2.00000000000"
[13] "2.000000000000" "2.0000000000000" "2.00000000000000"
> sf(3.141)
[1] "3.141" "3.141" "3.141" "3.141"
[5] "3.1410" "3.14100" "3.141000" "3.1410000"
[9] "3.14100000" "3.141000000" "3.1410000000" "3.14100000000"
[13] "3.141000000000" "3.1410000000000" "3.14100000000000"
> sf(-1.25, 20)
[1] "-1.25" "-1.25" "-1.25"
[4] "-1.250" "-1.2500" "-1.25000"
[7] "-1.250000" "-1.2500000" "-1.25000000"
[10] "-1.250000000" "-1.2500000000" "-1.25000000000"
[13] "-1.250000000000" "-1.2500000000000" "-1.25000000000000"
[16] "-1.250000000000000" "-1.2500000000000000" "-1.25000000000000000"
[19] "-1.250000000000000000" "-1.2500000000000000000" "-1.25000000000000000000"
>
> oDig <- options(digits= 3)
> sf(pi)
[1] "3.14" "3.14" "3.14" "3.142"
[5] "3.1416" "3.14159" "3.141593" "3.1415927"
[9] "3.14159265" "3.141592654" "3.1415926536" "3.14159265359"
[13] "3.141592653590" "3.1415926535898" "3.14159265358979"
> sf(1.2e7)
[1] "1.2e+07" "1.2e+07" "1.2e+07" "1.2e+07" "1.2e+07" "1.2e+07" "1.2e+07"
[8] "1.2e+07" "1.2e+07" "1.2e+07" "1.2e+07" "1.2e+07" "1.2e+07" "1.2e+07"
[15] "1.2e+07"
> sf(1.23e7)
[1] "12300000" "12300000.0" "12300000.00"
[4] "12300000.000" "12300000.0000" "12300000.00000"
[7] "12300000.000000" "12300000.0000000" "12300000.00000000"
[10] "12300000.000000000" "12300000.0000000000" "12300000.00000000000"
[13] "12300000.000000000000" "12300000.0000000000000" "12300000.00000000000000"
> s <- -0.01234
> sf(s)
[1] "-0.0123" "-0.0123" "-0.0123"
[4] "-0.0123" "-0.0123" "-0.01234"
[7] "-0.012340" "-0.0123400" "-0.01234000"
[10] "-0.012340000" "-0.0123400000" "-0.01234000000"
[13] "-0.012340000000" "-0.0123400000000" "-0.01234000000000"
>
> sf(pi + 2.2i)
[1] "3.14+2.2i" "3.14+2.2i"
[3] "3.14+2.20i" "3.142+2.200i"
[5] "3.1416+2.2000i" "3.14159+2.20000i"
[7] "3.141593+2.200000i" "3.1415927+2.2000000i"
[9] "3.14159265+2.20000000i" "3.141592654+2.200000000i"
[11] "3.1415926536+2.2000000000i" "3.14159265359+2.20000000000i"
[13] "3.141592653590+2.200000000000i" "3.1415926535898+2.2000000000000i"
[15] "3.14159265358979+2.20000000000000i"
> sf(s + pi*1i)
[1] "-0.01+3.14i" "-0.01+3.14i"
[3] "-0.01+3.14i" "-0.012+3.142i"
[5] "-0.0123+3.1416i" "-0.01234+3.14159i"
[7] "-0.012340+3.141593i" "-0.0123400+3.1415927i"
[9] "-0.01234000+3.14159265i" "-0.012340000+3.141592654i"
[11] "-0.0123400000+3.1415926536i" "-0.01234000000+3.14159265359i"
[13] "-0.012340000000+3.141592653590i" "-0.0123400000000+3.1415926535898i"
[15] "-0.01234000000000+3.14159265358979i"
>
> options(oDig)
>
> e1 <- tryCatch(options(max.print=Inf), error=function(e)e)
Warning message:
In options(max.print = Inf) : NAs introduced by coercion
> e2 <- tryCatch(options(max.print= 0), error=function(e)e)
> stopifnot(inherits(e1, "error"))
>
>
> ## Printing of "Date"s
> options(width = 80)
> op <- options(max.print = 500)
> dd <- as.Date("2012-03-12") + -10000:100
> writeLines(t1 <- tail(capture.output(dd)))
[476] "1986-02-12" "1986-02-13" "1986-02-14" "1986-02-15" "1986-02-16"
[481] "1986-02-17" "1986-02-18" "1986-02-19" "1986-02-20" "1986-02-21"
[486] "1986-02-22" "1986-02-23" "1986-02-24" "1986-02-25" "1986-02-26"
[491] "1986-02-27" "1986-02-28" "1986-03-01" "1986-03-02" "1986-03-03"
[496] "1986-03-04" "1986-03-05" "1986-03-06" "1986-03-07" "1986-03-08"
[ reached getOption("max.print") -- omitted 9601 entries ]
> l6 <- length(capture.output(print(dd, max = 600)))
> options(op)
> t2 <- tail(capture.output(print(dd, max = 500)))
> stopifnot(identical(t1, t2), l6 == 121)
> ## not quite consistent in R <= 2.14.x
>
>
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