Problem deploying although package is on CRAN

[Andrew Clark]

Hi, I was hoping to deploy an app using rlist to shinyapps but got this error

"* Unable to deploy package dependency 'Rstem'
The package was installed locally from source. Only packages
installed from CRAN or GitHub are supported.
Execution halted"

I then installed Rstem from CRAN and loaded separately after rlist but this was not a solution even after restarting the session

any suggestions?

[Tareef Kawaf]

Hi Andrew,

Did you try deploying the App again after you installed it from CRAN on your local machine?

-Tareef

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[Andrew Clark]

Well I might have forgotten to that, but not in this instance

Here is sessionInfo(0 in case this helps

[1] stats     graphics  grDevices utils     datasets  methods   base     

other attached packages:

 [1] stringr_0.6.2      shiny_0.10.0       XML_3.98-1.1       sentiment_0.2      Rstem_0.4-1        colorspace_1.2-4   rCharts_0.4.2     

 [8] pipeR_0.3-1        rlist_0.2.3        rvest_0.1          httr_0.3           wordcloud_2.5      RColorBrewer_1.0-5 tm_0.6            

[15] NLP_0.1-3         

loaded via a namespace (and not attached):

 [1] bitops_1.0-6     caTools_1.17     digest_0.6.4     grid_3.1.0       htmltools_0.2.4  httpuv_1.3.0     lattice_0.20-29 

 [8] parallel_3.1.0   plyr_1.8.1       Rcpp_0.11.2      RCurl_1.95-4.1   RJSONIO_1.2-0.2  shinyapps_0.3.55 slam_0.1-32     

[15] tools_3.1.0      whisker_0.3-2    xtable_1.7-3     yaml_2.1.13   

[Tareef Kawaf]

Could I trouble you for the URL to your app? Or your username and app name?

To view this discussion on the web visit https://groups.google.com/d/msgid/shinyapps-users/f3412750-2748-4731-b8ad-58f35fd9003b%40googlegroups.com.

[Andrew Clark]

It's http://pssguy.shinyapps.io/guardianComments. Its a work in progress but I deployed to make sure there were no problems

According to my dashboard it is pending. Only the second I have deployed but the first went smoothly

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[Chad Barraford]

Hi andrew, can you try deploying it again? Also, is it possible for your share your source code?

To view this discussion on the web visit https://groups.google.com/d/msgid/shinyapps-users/03b76db9-2f58-44cd-af38-e36816a60e3d%40googlegroups.com.

[Andrew Clark]

Tried again. Same error. I see it has now been archived on the dashboard

I'm a bit reluctant to share code currently , mainly because it is a WIP and very messy

I will try a pared down version tomorrow to see if the error persists and get back to you

[Andrew Clark]

OK I pared down the code and appear to have located the issue

Here is thebare bones  code with all the libraries I wish to have in my real app

One problem is adding the 'Rstem' package independently. This is not a problem to remove

The second is the 'sentiment' package which depends on tm and Rstem. If I remove it, the full app works (other than the aspects of the code I need it for)

I tried putting it at head of libraries loaded but that did not help with any deployment

So this appears to identify the exact problem but is there a satisfactory solution?

ui.R

# library(sentiment)

library(tm)

library(wordcloud)

library(httr) # this needs to be loaded after tm as other wise the content function is masked

library(rvest) 

library(rlist)

library(pipeR)

 library(rCharts)

 library(colorspace)

library(XML)

#library(Rstem)

shinyUI(fluidPage(

  sidebarLayout(

    sidebarPanel(

  

    ),

   

    mainPanel(

      dataTableOutput("summaryTable")

      

    )

  )

  

))

server.R

shinyServer(function(input, output) {

  data <- reactive({

    

    initURL <- "http://www.theguardian.com/film/filmblog/2014/jul/24/fifty-shades-of-grey-trailer-review"

    inithtml <- content(GET(initURL),"parsed")

   

    tag <-inithtml[xpath("//*/div[@id='d2-root']/@data-discussion-id")][[1]][1][[1]]

    commentURL <- paste0("http://discussion.theguardian.com/discussion/",tag,"?orderby=oldest&per_page=50&commentpage=1#show-all")

    html <- content(GET(commentURL), "parsed")

    

    words <- html[xpath('//*[contains(concat( " ", @class, " " ), concat( " ", "d2-body", " " ))]//text()')] %>>% 

      list.map(

           xmlValue(.,trim = TRUE) %>>% ## so need XML as well m piper The %>>% operator evaluates the function call on the right-hand side with the left-hand side object being the first argument

           strsplit("[^a-zA-Z]") %>>% 

           unlist(use.names = FALSE) %>>%  

           tolower %>>% 

           list.filter(nchar(.) > 3L)) %>>%

           unlist %>>%

           table %>>%

           list.sort(desc(.)

                     ) 

    

    

    df <- data.frame(words)

info=list(df=df)

print(df)

    return(info)

    

  })

  

  

output$summaryTable <- renderDataTable({

  tbl <- data()$df})

})

On Saturday, 26 July 2014 22:01:54 UTC-7, Chad Barraford wrote:

[Chad Barraford]

Hey andrew, i don't see an rstem package on CRAN. Am i missing something?

To view this discussion on the web visit https://groups.google.com/d/msgid/shinyapps-users/a44ed3f5-fb75-44ab-bd8d-82df38bc26a3%40googlegroups.com.

[Andrew Clark]

Rstem. capital R.  got it via the RStudio mirror. But I don't need to have it separtely. It appears to be a sentiment issue

[Tareef Kawaf]

Hi Andrew, 

I am not an R expert yet, but it looks like sentiment was removed from CRAN and is now only on R-forge

However I did find that there may be another sentiment package you could use, per the article below.  

http://stackoverflow.com/questions/15194436/is-there-any-other-package-other-than-sentiment-to-do-sentiment-analysis-in-r

Adding support for R-Forge is on our list of things to do, but isn't supported today yet unfortunately.

-Tareef

To view this discussion on the web visit https://groups.google.com/d/msgid/shinyapps-users/045db135-a529-4099-8fb3-806f6b5af9be%40googlegroups.com.

[Andrew Clark]

Tareef 

 Thanks for suggestion re other sentiment package

Rr CRAN 

 In RStudio / Install Packages/Install from repository CRAN/ Rstem

> install.packages("Rstem")

Installing package into ‘C:/Users/pssguy/Documents/R/win-library/3.1’

(as ‘lib’ is unspecified)

trying URL 'http://www.stats.ox.ac.uk/pub/RWin/bin/windows/contrib/3.1/Rstem_0.4-1.zip'

Content type 'application/zip' length 305471 bytes (298 Kb)

opened URL

downloaded 298 Kb

package ‘Rstem’ successfully unpacked and MD5 sums checked

[Andrew Clark]

In the end, I just extracted the functions I needed from the original sentiment package and pasted them in my app

Seems to work fine