One R Tip a Day

@RLangTip

One tip per day M-F on the R programming language . Brought to you by the R community team at Microsoft.

Joined May 2011
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  1. 3 hours ago

    Reasons you should use the "here" package to make your R code portable:

    9 retweets 33 likes
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  2. Dec 2

    Introduction to the caret package: select, train and optimize predictive models:

    19 retweets 45 likes
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  3. Nov 29

    R Markdown Cheat Sheet

    20 retweets 54 likes
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  4. Nov 28

    library(cowsay) say("Happy Thanksgiving!", by="turkey")

    1 reply 8 retweets 27 likes
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  5. Nov 27

    How to run R scripts as part of an Azure Machine Learning designer pipeline

    14 retweets 17 likes
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  6. Nov 26

    The R Graphics Cookbook by , now available free online

    1 reply 98 retweets 199 likes
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  7. Nov 25

    Convert character strings to their all-lower-case equivalents with tolower

    4 retweets 17 likes
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  8. Nov 22

    If two packages define functions with the same name, use :: to call the one you want:

    7 retweets 21 likes
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  9. Nov 21

    Use is.atomic(v) NOT is.vector(v) to test if vector. Try v=9; attr(v,"A") = "attr" See Wickham, Advanced R

    5 retweets 23 likes
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  10. Nov 20

    How to call an R script from a C# program

    6 retweets 16 likes
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  11. Nov 19

    round(x, -2) rounds x to the nearest hundred

    2 replies 6 retweets 31 likes
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  12. Nov 18

    Convenience features of the fread function in the data.table package for reading small and large data sets into R

    1 reply 12 retweets 43 likes
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  13. Nov 15

    When selecting from vectors, repeated indexes are allowed. x[c(1,1,2,2,3,3)] duplicates the first 3 elements of x

    8 retweets 46 likes
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  14. Nov 14

    options(stringsAsFactors=FALSE) forces R to import character data as character objects, but avoid the temptation to add it to your .Rprofile file: your code may not work for others if you do

    2 replies 14 retweets 36 likes
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  15. Nov 13

    Tutorial: Train and deploy your first model in R with Azure Machine Learning

    12 retweets 25 likes
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  16. Nov 12

    Reasons why R is the best language for innovation, from the head of Data Science at Urban Institute:

    29 retweets 70 likes
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  17. Nov 11

    Weeks to Christmas: difftime(("2019-12-25"),(),units="weeks")

    11 retweets 38 likes
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  18. Nov 7

    Explore the capabilities of your installed R packages with browseVignettes()

    10 retweets 32 likes
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  19. Nov 6

    R extension for Visual Studio

    8 retweets 18 likes
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  20. Nov 5

    The Plain Person’s Guide to Plain Text Social Science by

    13 retweets 15 likes
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