Re: [R] CRAN I-MR / Xbar-R / Xbar-S control chart package ?

[Rui Barradas]

Hello,

I have no experience with I-MR charts but a google search found package 
qcc. Maybe it's what you're looking for.


Hope this helps,

Rui Barradas

Em 08-07-2017 09:07, Tim Smith escreveu:

Hi,

I've had a quick look through the package list, and unless I've missed
something, I can't seem to find anything that will do I-MR / Xbar-R /
Xbar-S control charts ?

Assuming there is something out there, can anyone point me in the
right direction ?

Thanks !

TIm

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[R] CRAN I-MR / Xbar-R / Xbar-S control chart package ?

[Tim Smith]

Hi,

I've had a quick look through the package list, and unless I've missed
something, I can't seem to find anything that will do I-MR / Xbar-R /
Xbar-S control charts ?

Assuming there is something out there, can anyone point me in the
right direction ?

Thanks !

TIm

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Re: [R] Factor vs character in a data.frame vs vector

[John Kane via R-help]

Clearly I have been doing something weird. Thanks >It is possible that 
somewhere along the way, you set options(stringsAsFactors = FALSE)No not in a 
long time. I found that it was great for any personal work but any time I tried 
to use someone' else's raw data, say from a text file, it would mess up the 
data so I regretfully removed it.
I remember reading a about the options(stringsAsFactors = TRUE) decision for 
read.table() but somehow missed or forgot it applied to a data.frame. It also 
still strikes me a bit perverse.
Thanks again.



On Friday, July 7, 2017, 10:25:45 PM EDT, Marc Schwartz  
wrote:


> On Jul 7, 2017, at 7:03 PM, John Kane  wrote:
> 
> Thanks Marc.
> It never occurred to me that I would need a ""stringsAsFactors" expression in 
> a data.frame.  I could have sworn I never did before when mocking up some 
> data but clearly I was wrong or there has been a change in R v. 3.4.1 which 
> seems unlikely.


Welcome John.

Going back to the old NEWS files, the 'stringsAsFactors' argument for 
data.frame() appears in version 2.4.0, which was released on 2006-10-03.

It is possible that somewhere along the way, you set options(stringsAsFactors = 
FALSE) in your .Rprofile, which would change the default behavior. I know that 
some folks do that, as they do not like the default coercion to factors, both 
for data.frame() and for the read.table() family.

Other alternatives would be to use the 'colClasses' argument to explicitly set 
such vectors to character, or to use I(...) to create AsIs class columns.

Regards,

Marc


> 
> 
> 
> On Friday, July 7, 2017, 10:37:29 AM EDT, Marc Schwartz 
>  wrote:
> 
> 
> 
> > On Jul 7, 2017, at 6:03 AM, John Kane via R-help  
> > wrote:
> > 
> > This is not  serious problem but I just wonder if someone can explain what 
> > is happening.
> > The same command within a dataframe is giving me a factor and as a plain 
> > vector is giving me a character.  It's probably something simple that I 
> > have read and forgotten but I thought I'd ask.
> > Thanks
> > 
> > #
> > dat1 <- data.frame(aa = letters[1:10])
> > str(dat1)
> > data.frame':    10 obs. of  1 variable:
> > $ aaletters.1.10.: Factor w/ 10 levels "a","b","c","d",..: 1 2 3 4 5 6 
> > 7 8 9 10#=
> > bb = letters[1:10]
> > str(bb)
> > chr [1:10] "a" "b" "c" "d" "e" "f" "g" "h" "i" "j"
> > #==
> > 
> 
> 
> See the 'stringsAsFactors' argument in ?data.frame.
> 
> dat1 <- data.frame(aa = letters[1:10], stringsAsFactors = FALSE)
> 
> 
> > str(dat1)
> 'data.frame':    10 obs. of  1 variable:
> 
> $ aa: chr  "a" "b" "c" "d" ...
> 
> 
> Regards,
> 
> Marc Schwartz
> 

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[R] scalable and dynamic color bar

[Alaios via R-help]

Hi,I am using rgl to plot 3d graphics. You can find below some executable code.
I would like to add a color bar that scales as the window size scale. The 
solution I currently have gives a color bar that gets pixelated once you 
maximize the window.
Can you suggest of alternatives?
ThanksAlex
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[R] Zero inflated Binomial Lasso

[Luigi Biagini]

Hi R helpers,
I have a problem on a zero-inflated binomial distribution.
I have many regressions and few observations for which I wanted to apply
the LASSO regression.
Is there a package that allows the ZIB-Lasso?
Thank you very much!

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Re: [R] [Rd] italic font on cairo devices in R 3.4

[Ilia Kats]

Cool, thanks, I didn't know about that. I'll give it a try. This still 
doesn't fix the root cause, though.


Cheers, Ilia



 Original Message 
Subject: Re: [R] [Rd] italic font on cairo devices in R 3.4
Date: 2017-07-08 07:11:10 +0200
From: Yixuan Qiu
To: ilia-kats
CC: frederik, r-help

Hi Ilia,

You may want to have a try of the showtext package
(https://github.com/yixuan/showtext). Below is a quick example:

library(showtext)
showtext.auto()

pdf("test.pdf")
## Use the "sans" font family provided by the showtext package
## font == 3 means italic font face
plot(1, xlab = "Unicode characters: \u00C0 \u00C6 \u00D8",
 family = "sans", font.lab = 3)
dev.off()

## Same for SVG
svg("test.svg")
plot(1, xlab = "Unicode characters: \u00C0 \u00C6 \u00D8",
 family = "sans", font.lab = 3)
dev.off()


Best,
Yixuan


2017-07-07 13:08 GMT-04:00 Ilia Kats :

Interesting. I did not have the package installed, but I did at some point
extract Helvetica from some MacOSX font files and R was using that just fine
until 3.3. This is how the plot looks in 3.4 (still using Helvetica):
https://ptpb.pw/HikX.pdf . After removing Helvetica, installing the
ttf-mscorefonts-installer package, and running fc-cache --force  the plot
looks like this: https://ptpb.pw/CM8A.pdf

Also note that the standard pdf device works fine: https://ptpb.pw/3Ml1.pdf
, it's just the cairo devices (both pdf and svg) that have the issue.
Unfortunately I need to use cairo_pdf due to unicode characters in axis
labels.

Cheers, Ilia







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(Don't laugh! Look at the SMC etherpower for that.)
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