49 lines
1.3 KiB
Org Mode
Executable File
49 lines
1.3 KiB
Org Mode
Executable File
* A brief introduction to R
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Scripts describing simple tasks to learn the first steps to work with
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data using the R programming environment
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** First steps in R
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* [[./script/help_r.org][Asking for help to use R]]
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* [[./doc/install_Rsource.org][Installing R from source]]
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* [[./doc/objects.org][Objects in R]]
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* [[./script/integerq_modulo.R][Integer quocient and modulo]]
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* [[./script/non_stand_eval.R][Non-standard evaluation in R]]
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** Matching patterns
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* [[./doc/match.patt.org]['gsub' and 'sub']]
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** Subsetting and indexing
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* [[./script/replace_values.R][Build column in table indexing values]]
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** Reading data
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* [[./script/extractpdf.R][Reading pdf files]]
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** Vectorization
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* [[./script/vectorization.R][Vectorization]]
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** Iteration
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* [[./script/iteration.R][Lapply, apply and for loop: brief introduction]]
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** Web scraping
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* [[./script/scraping2.R][Web scraping example]]
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* [[./script/web_scraping.R][Using 'rvest' for scraping]]
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** Interesting packages
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* [[./script/roadoi_package.R]['roadoi']]
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* [[./script/scraping.R]['crul' package - web scraping]]
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** Data wrangling with {data.table}
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* [[./doc/datatable_intro.org][Introduction to {data.table}]]
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* [[./doc/datatable_querying.org][Querying in {data.table}: filter in ~i~ ]]
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* [[./doc/datatable_querying_j.org][Querying in {data.table}: select in ~j~ ]]
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