using pdf.js in mvc : Convert pdf to jpg converter software application project winforms html .net UWP Graves+DoraiRaj-RPackageDevelopment0-part1903

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Creating R Packages, 
Using CRAN, R-Forge,  
And Local R Archive Networks 
And Subversion (SVN) Repositories 
Spencer Graves 
PDF Solutions 
San José CA
spencer.graves@prodsyse.com
Sundar Dorai-Raj 
Google 
Mountain View CA 
sdorairaj@google.com 
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2 / PDF Solutions Inc.
Motivation 
!
R is the language of choice for a large and growing 
proportion of people developing new statistical algorithms
!
Comprehensive R Archive Network (CRAN) makes it easy 
to benefit from others’ work and to share your work and get 
feedback on potential improvements 
!
Creating R packages 
• Provides a system for creating software with documentation 
including unit tests, and thereby 
• Increases software quality & development productivity 
!
Local R Archive Networks can increase your productivity in 
developing new code and sharing it with coworkers 
!
R-Forge and local Subversion (SVN) repositories make 
collaboration on joint software development easy & 
productive 
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Outline 
!
Installing R and R Packages 
• From CRAN 
• From a local package 
• From alternative repositories 
• Getting help 
!
Obtaining source code 
!
Creating R packages 
!
Establishing and Maintaining Local R Archive 
Networks 
!
Using Subversion (SVN) 
C# Image Convert: How to Convert Adobe PDF to Jpeg, Png, Bmp, &
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C# Image Convert: How to Convert Dicom Image File to Raster Images
RasterEdge.XDoc.PDF.dll. This demo code will convert first page to jpeg image. C:\input.dcm"; String outputFilePath = @"C:\output.jpg"; // Convert dicom to jpg.
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Installing R And R Packages 
!
Installing R from CRAN 
!
Installing R contributed packages from 
CRAN 
• local package 
• alternative repositories 
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Installing R 
!
www.r-project.org 
!
CRAN 
!
(select a local repository) 
!
Download an appropriate precompiled version or 
package source to suit your operating system 
!
Configure ... 
• R Installation and Administration manual http
://cran.r-project.org/doc/manuals/R-admin.pdf
modify default options in “~R/etc/Rprofile.site”:
•default repositories (including local?)  
•max.print 
•... 
options(repos = c(CRAN = "http://cran.cnr.berkeley.edu",
CRANextra = "http://www.stats.ox.ac.uk/pub/RWin"),
max.print=222)
system.file()
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Installing R Packages From CRAN 
!
install.packages(‘packageName’) 
!
OR in Rgui:  
select a local repository (if needed) 
• select package(s) from list 
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Installing R Packages From Local Zip Files 
(Windows)
!
in Rgui:
!
find packageName.zip
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Or From R Command Prompt (Any OS) 
!
Windows binary
• install.packages(“packageName.zip”, repos = NULL)
!
Any OS provided appropriate tools for compiling 
source are available
install.packages(“packageName.tar.gz”, repos = 
NULL)
• Windows requires “Rtools”
http://www.murdoch-sutherland.com/Rtools/
• Mac requires Xtools
• For most Linux/UNIX systems the required toolsets 
are available
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Getting Help 
!
?functionName 
• help pages for packages in the search path 
!
Fuzzy search
• “help.search” function
www.r-project.org → search or ‘RSiteSearch’ function 
!
Other R search engines and R Wiki 
!
Google  
!
r-help listserve 
PLEASE do read the posting guide 
http://www.R-project.org/posting-guide.html and provide 
commented, minimal, self-contained, reproducible code. 
• Reading “r-help”, “r-devel”, “r-sig-___” is like attending a 
professional meeting a few minutes a day 
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Outline 
!
Installing R and R Packages 
!
Obtaining source code 
!
Creating R packages 
!
Establishing and Maintaining Local R Archive 
Networks 
!
Using Subversion (SVN) 
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