Hi, R friends. I had some difficulty with the following code:
qqnorm(freq, log='y')
qqline(freq)
as the line drawn was seemingly random. The exact data I used appears
below. After wandering a bit within the source code for "abline",
I figured out I should rather write:
qqnorm(freq, log='y')
par(ylog=FALSE)
qqline(log10(freq))
par(ylog=TRUE)
I'm proposing that this little stunt be rather be hidden and
automatically effected within "qqline" proper, whenever par('ylog') is
TRUE. I thought about providing a patch, as "qqline" is so small. Yet
it would be more noise than useful, as I'm not familiar with the "datax"
argument usage, which should probably be addressed as well.
Here is the data, in case useful:
freq <-
as.integer(c(33, 79, 21, 436, 58, 18, 1106, 498, 1567, 393, 2,
104, 50, 67, 113, 76, 327, 331, 196, 145, 86, 59, 12, 215, 293,
154, 500, 314, 246, 587, 85, 23, 323, 3, 13, 576, 29, 37, 24,
21, 1230, 137, 13, 93, 3, 101, 72, 218, 59, 17, 2, 8, 86, 143,
150, 22, 19, 234, 119, 157, 4, 255, 146, 126, 76, 15, 271, 170,
4, 6, 16, 3048, 2175, 3350, 5017, 5706, 1610, 665, 322, 1, 16,
47, 51, 168, 94, 66, 154, 99, 11, 547, 953, 1, 1071, 80, 184,
168, 52, 187, 103, 187, 361, 46, 85, 135, 597, 121, 283, 26,
12, 20, 169, 9, 79, 15, 114, 75, 30, 111, 556, 173, 32, 99, 438,
2, 2, 1, 117, 5, 3, 51, 8, 41, 12, 23, 2, 13, 5, 1, 9, 4, 1,
7, 15, 5, 48, 16, 112, 6, 1, 39, 60, 5, 23, 5, 19, 1, 8, 32,
4, 13, 1, 14, 71, 5, 1, 35, 30, 100, 389, 22, 8, 1, 192, 40,
6, 3, 17, 2, 14, 71, 14, 1, 5, 4, 32, 21, 18, 13, 2, 2, 45, 342,
46, 144, 18, 131, 188, 112, 37, 85, 90, 8, 195, 173, 5, 53, 96,
37, 16, 16, 281, 64, 50, 92, 336, 31, 744, 4, 134, 74, 1, 227,
6, 48, 418, 64, 66, 59, 20, 45, 20, 370, 148, 22, 7, 30, 601,
29, 82, 113, 938, 252, 65, 137, 72, 22, 98, 12, 152, 212, 13,
8, 35, 3, 77))
Yet this really is the value of "courriel$freq" after "data(courriel)",
with a file ".../R/data/courriel.R" here, holding:
courriel <- read.table(pipe('grep -c \'^From \' ../courriel/*'),
sep=':', as.is=T, row.names=1,
col.names=c('fichier', 'freq'))
My goal, which is nothing serious, was merely to toy with the number of
messages per folder, for folders massaged out of R archives.
Version:
platform = i686-pc-linux-gnu
arch = i686
os = linux-gnu
system = i686, linux-gnu
status =
major = 2
minor = 2.1
year = 2005
month = 12
day = 20
svn rev = 36812
language = R
Locale:
LC_CTYPE=fr_CA.UTF-8;LC_NUMERIC=C;LC_TIME=fr_CA.UTF-8;LC_COLLATE=fr_CA.UTF-8;LC_MONETARY=fr_CA.UTF-8;LC_MESSAGES=fr_CA.UTF-8;LC_PAPER=C;LC_NAME=C;LC_ADDRESS=C;LC_TELEPHONE=C;LC_MEASUREMENT=C;LC_IDENTIFICATION=C
Search Path:
.GlobalEnv, package:methods, package:stats, package:graphics,
package:grDevices, package:utils, package:datasets, fp.etc, Autoloads,
package:base
--
François Pinard http://pinard.progiciels-bpi.ca
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