search for: dataframesource

Displaying 3 results from an estimated 3 matches for "dataframesource".

2010 Aug 17
1
TM Package - Corpus function - Memory Allocation Problems
...'m running into Memory allocation issues: "Error: cannot allocate vector of size 372 Kb". My data is stored in a csv file which I've imported with "read.csv" and then used the following to create the Corpus (but it failed with the error message above) txt <- Corpus(DataframeSource(txt)) I've even tried to subset ~ 10% of my data but I run into the same error. What is a the best way to solve this memory problem other than increasing a physical RAM? Thanks in advance for any help, Leo. _______________________________________________________________________ This e-ma...
2011 Sep 26
2
findAssocs()
I am trying to find the math behind the "tm" package findAssocs() ?findAssocs does not say anything besides "association" and "correlate" Usually entering "findAssocs" at the CLI gives the code for a R function, but in this case I obtain: function (x, term, corlimit) UseMethod("findAssocs", x) <environment: namespace:tm> Any ideas?
2014 Jul 29
2
wordcloud y tabla de palabras [Avanzando]
...zando en el proceso de crear wordclouds para dos informes de 2 años diferentes. Versión R: 3.1.1 require(tm) require(wordcloud) require(Rcpp) tmpinformes<-data.frame(c("todo el informe 2005", "todo el informe 2013"), row.names=c("2005", "2013")) ds<- DataframeSource(tmpText) ds<- DataframeSource(tmpinformes) corp = Corpus(ds) corp = tm_map(corp,removePunctuation) corp = tm_map(corp,content_transformer(tolower)) corp = tm_map(corp,removeNumbers) corp = tm_map(corp, stripWhitespace) corp = tm_map(corp, removeWords, sw) corp = tm_map(corp, removeWords, stopwor...