Posts by LucasMation • 411 points
7 posts
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3
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answers1955
viewsA: Pre-process large text files in R
Thanks to @Carloscinelli and @Flaviobarros for the great answers. I decided to put a 3rd alternative to my question above, using the "ff" package to import the data into R for a "ffdf" and then…
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13
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answers1955
viewsQ: Pre-process large text files in R
I am writing a script, which I will make public, to open the micro-data of RAIS (dehydrated, available here) in R using Monetdb. However the bank does not accept vígula (,) as decimal separator.…
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answer321
viewsQ: Best SQL DBMS for with large bases (RAIS > Mem RAM)
I am trying to write a routine to automate the import of RAIS public micro-data and to work with it on a normal computer (RAIS size > RAM) What is the best SQL software (DBMS/protocol) to use?…
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answers1789
viewsQ: A: What objects does the Names() attribute apply to?
I’m a little confused by the role of attribute names() on different objects. In addition to normal use, in data.frames, I see in the examples of help(names) which can also be used for vectors (both…
rasked LucasMation 411 -
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answers138
viewsA: Use "NA" for logical operation on R
Complementing: In other statistical packages the míssing value is a number. In SAS, for example, it is a very small number, in Stata it is a very large number. Then it is possible to make a test…
ranswered LucasMation 411 -
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answers314
viewsA: Presentations (slidify and Rpres) with Latin characters (ç, ã, é...) corrupted
I figured out how to do it. In R studio, click on: file> "save with encoding" > UTF8 this solves the problems when viewing In the matter of reopening the file in a new section of Rstudio and…
ranswered LucasMation 411 -
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answers314
viewsQ: Presentations (slidify and Rpres) with Latin characters (ç, ã, é...) corrupted
I am preparing slides in R, but the Latin characters (ç, ã, é etc...) get corrupted when the presentation is compiled. I tried both with slidify and with Rpre, same problem. Someone knows how to…
rasked LucasMation 411