Posts by user2725174 • 249 points
6 posts
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3
votes1
answer328
viewsQ: Stopword does not work
Hello, I made the program that serves to do basic text preprocessing to use in Mining text tools. It must be something very trivial, but I can’t see where it could be wrong.…
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2
votes2
answers68
viewsQ: Replacing text with words from another file
it should be easy, but I’m not finding a solution! Here’s the thing: Arquivo1 - with texts: Doc Texto doc1 Isto é um teste para substituições de palavras. doc2 As casas são parecidas. Arquivo2 -…
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2
votes1
answer34
viewsQ: Operation with 2 columns dynamically
Be the data frame v1 v2 v3 v4 v5 a x 2 1 4 b y 4 3 5 c z 6 5 6 Calculate, for example: P1=v3+v4 P2=v4+v5 is trivial, because I can do this for each one manually, so I would have: v1 v2 v3 v4 v5 p1…
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3
votes1
answer42
viewsQ: Graph generation error in R
Hello, I’m trying to create a chart from a list, but I’m not getting it. The download part works perfectly: # download adj. price data - Asset[1],Asset[2]... symbols= c("TIET4.SA","BVMF3.SA",…
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2
votes1
answer78
viewsQ: Function to read file via ODBC
Hello, it must be a very simple problem, but I’ve searched a lot and I couldn’t find a solution to my question. My setting is: R version 3.3.1 (2016-06-21) Platform: x86_64-w64-mingw32/x64 (64-bit)…
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1
votes1
answer466
viewsQ: Label does not appear on the chart
Hello, My configuration is as follows:: > sessionInfo() R version 3.3.1 (2016-06-21) Platform: x86_64-W64-mingw32/x64 (64-bit) locale: _LC_COLLATE=Portuguese_Brazil.1252_,…