This meeting included an introductory tutorial by Mario covering tm and sentiment anaylsis. The slides are available here.
The tutorial was structured as follows:
- Data Reading
- Data Structures
- Preprocessing Pipeline
- removePunctuation, tolower, removeWords, stripWhitespace, stemDocument
- Examples
- Known Weaknesses and Outlook
- Plans for SentimentAnalysis (tm.plugin.sentiment 2.0)
Further talks covering advanced text mining topics in R are planned for the next meeting(s), so stay tuned…
Best,
-ViennaR