[BlindRUG] Question about R Markdown
Liz Hare
doggene at earthlink.net
Sun Mar 21 16:23:15 UTC 2021
Hi JooYoung,
I did not know about tactileR and I’m very excited about finding out if it will work with my embosser. Thank you!
Liz
> On Mar 21, 2021, at 11:54 AM, JooYoung Seo via BlindRUG <blindrug at nfbnet.org> wrote:
>
> Hello,
>
> I found some errors in your code. You forgot to enclose the main
> title, x and y labels with quotations.
>
> I hope the following lines of codes could help you.
>
>
> dice <- sample(1:6, 50, replace = TRUE)
> table(dice)
> round(table(dice) / 50, digits = 3)
>
> # Use BrailleR to get alternative text:
> library(BrailleR)
>
> VI(
> hist(dice,
> main = "dice role",
> xlab = "Number of dice", ylab = "Number of throws when rolling
> the dice",
> col = "blue"
> )
> # Comment out the following line; otherwise, BrailleR cannot treat
> this object:
> # box()
> )
>
> # Create tactile graph using tactileR package developed by JooYoung Seo.
> # Install package:
> if (!require(remotes)) {
> install.packages("remotes")
> }
>
> remotes::install_github("jooyoungseo/tactileR")
>
> # Loading tactile package:
> library(tactileR)
>
> # Create tactile graphic by surrounding between two functions like
> below. The arguments used in this example are all given by default:
> brl_begin(file = "tactile.pdf", pt = 11, paper = "special", font = "BRL")
> hist(dice,
> main = "dice role",
> xlab = "Number of dice", ylab = "Number of throws when rolling the dice",
> col = "blue"
> )
> box()
> brl_end()
> # The braille ready-to-print pdf version will be created in your
> working directory. Print it out and run the swell touch paper through
> swell form heating machine.
> # Note: This function optimizes for both 1111 and 118.5 swell touch
> papers. When printing a generated braille pdf, just remember two
> things:
> # 1. check “Fit” in the print dialog box (the shortcut key is ALT+F).
> # 2. Check “Landscape” in the print dialog box as well.
> # For boxplot, you do not need to check the “Landscape,” just leave it
> as a “Portray.” However, please check the “Fit” all the time.
>
>
>> On 3/21/21, Niels Luithardt via BlindRUG <blindrug at nfbnet.org> wrote:
>> Hi, I modified my R code and used the histogram function. I hope this
>> is correct now.
>>
>> dice<-sample(1:6,50,replace=TRUE)
>> table(dice)
>> round(table(dice)/50,digits = 3)
>> hist(dice,main=dice role,
>> xlab=Number of dice,ylab=Number of throws when rolling the dice,
>> col=blue)
>> box()
>>
>>
>> The question is how do I embed the code back into the .rmd. Is the
>> fig.cap in the file absolutely necessary?
>>
>> What is the best way to plot histograms if you want to use brailler?
>>
>> Kind Regards
>>
>> Niels
>>
>>
>> 2021-03-21 10:26 GMT+01:00, Niels Luithardt
>> <niels.luithardt at googlemail.com>:
>>> Hello Ben,
>>>
>>> About your questions:
>>>
>>> You ask if it is a script file.
>>>
>>> Yes, my example exists as an .r file. It has the name dicerole.r .But
>>> I don't know if that is important. To test the code, I copy the code
>>> from the file and paste it directly into the R terminal. I know that I
>>> could also start the file with the source command.
>>>
>>> You ask how I use R.
>>>
>>> As I indicated I use the R terminal, I don't use R Studio or any other
>>> development environment. That may come later.
>>>
>>> On the topic of output format:
>>>
>>> To start, html is just fine. I want to get as much information as
>>> possible from the html file. But in principle other output formats are
>>> interesting for me.
>>>
>>> E.g. I would like to print the graphic created with the help of R with
>>> a Braille embosser. Is that possible in a quick and easy way?
>>>
>>> Can the graphics be automatically generated as .stl and printed with a
>>> 3D printer?
>>>
>>> Can the data be sonified?
>>>
>>> I want to find out what is possible with Brailler. I want to test the
>>> limits. I want to find out what else is possible.
>>>
>>> Regards
>>>
>>> Niels
>>>
>>>
>>> 2021-03-20 15:30 GMT+01:00, Ward, Elizabeth - wardex via BlindRUG
>>> <blindrug at nfbnet.org>:
>>>> Hi Niels,
>>>>
>>>> We need to know a few things about how you are using R before we can
>>>> help
>>>> with this. Is this a script file? Are you using the console or RStudio
>>>> or
>>>> emacs or something else? Also, would you like your output to be HTML?
>>>>
>>>> Best Wishes,
>>>> Ben
>>>>
>>>> -----Original Message-----
>>>> From: BlindRUG <blindrug-bounces at nfbnet.org> On Behalf Of Niels
>>>> Luithardt
>>>> via BlindRUG
>>>> Sent: Friday, March 19, 2021 5:45 PM
>>>> To: blindrug at nfbnet.org
>>>> Cc: Niels Luithardt <niels.luithardt at googlemail.com>
>>>> Subject: [BlindRUG] Question about R Markdown
>>>>
>>>> CAUTION: This email originated from outside of JMU. Do not click links
>>>> or
>>>> open attachments unless you recognize the sender and know the content is
>>>> safe.
>>>> ________________________________
>>>>
>>>> Hello,
>>>>
>>>> I have a question about RMarkdown:
>>>>
>>>> I want to create a .rmd file and I have thought of the following example
>>>> for
>>>> it:
>>>>
>>>> dice<-sample(1:6,50,replace=TRUE)
>>>> table(dice)
>>>> round(table(dice)/50,digits = 3)
>>>> barplot(table(dice),width=1,col="blue", cex.axis=2.8,cex.names=2.8)
>>>> What
>>>> must be the rest of the markdown file for my code to be processed
>>>> successfully?
>>>>
>>>> I would be very pleased about answers!
>>>>
>>>> Kind regards
>>>>
>>>> Niels
>>>>
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>>>>
>>>> Look for help using R commands by reading the accessible e-book "Let's
>>>> Use
>>>> R
>>>> Now" compiled by Jonathan Godfrey at:
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>>>>
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>>>> More information and useful links about using R as a blind person can be
>>>> obtained at:
>>>> http://R-Resources.massey.ac.nz
>>>>
>>>> Look for help using R commands by reading the accessible e-book "Let's
>>>> Use
>>>> R
>>>> Now" compiled by Jonathan Godfrey at:
>>>> http://R-Resources.massey.ac.nz/lurn/front.html
>>>>
>>>
>>
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>> More information and useful links about using R as a blind person can be
>> obtained at:
>> http://R-Resources.massey.ac.nz
>>
>> Look for help using R commands by reading the accessible e-book "Let's Use R
>> Now" compiled by Jonathan Godfrey at:
>> http://R-Resources.massey.ac.nz/lurn/front.html
>>
>
>
> --
> --------------------
> JooYoung Seo, CPACC
> Ph.D. Candidate (ABD),
> RStudio's Trusted Data-Science Instructor
> Learning, Design, and Technology
> Learning and Performance Systems
> The Pennsylvania State University
> Site: https://jooyoungseo.com/
> Phone: +1 (814) 777-5825
> E-mail: jzs323 at psu.edu
>
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> More information and useful links about using R as a blind person can be obtained at:
> http://R-Resources.massey.ac.nz
>
> Look for help using R commands by reading the accessible e-book "Let's Use R Now" compiled by Jonathan Godfrey at:
> http://R-Resources.massey.ac.nz/lurn/front.html
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