Blog Archives

analyze the area resource file (arf) with r

October 1, 2012
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the arf is fun to say out loud.  it's also a single county-level data table with about 6,000 variables, produced by the united states health services and resources administration (hrsa).  the file contains health information and statistics fo...

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ninety two-minute r tutorial videos

May 6, 2012
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ninety two-minute r tutorial videos now posted.  three hours of ultra-concentrated r.new videos include topics like:setting your preferences (options) (Rprofile.site) random number generation (runif) (rnorm) (set.seed) (rbinom)creating and accessi...

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sixty two-minute r twotorials now available

April 12, 2012
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sixty twotorials now posted. two minutes each.new video highlights:024 how to run counts, tables, crosstabs, and flat tables on a data frame in r 030 what is a function anyway and how does it input and output stuff in r 022 how to generate b...

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how to use the ifelse function in r

April 2, 2012
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(This article was first published on twotorials by anthony damico, and kindly contributed to R-bloggers) To leave a comment for the author, please follow the link and comment on his blog: twotorials by anthony damico. R-bloggers.com offers daily e-mail updates about R news and tutorials on topics such as: visualization (ggplot2, Boxplots, maps, animation), programming (RStudio, Sweave, LaTeX, SQL,...

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how to access different records within a data frame by using logical tests in r

April 2, 2012
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(This article was first published on twotorials by anthony damico, and kindly contributed to R-bloggers) To leave a comment for the author, please follow the link and comment on his blog: twotorials by anthony damico. R-bloggers.com offers daily e-mail updates about R news and tutorials on topics such as: visualization (ggplot2, Boxplots, maps, animation), programming (RStudio, Sweave, LaTeX, SQL,...

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help resources for r: the r-help mailing list, ucla academic technology services, and r-bloggers

March 26, 2012
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(This article was first published on twotorials by anthony damico, and kindly contributed to R-bloggers) To leave a comment for the author, please follow the link and comment on his blog: twotorials by anthony damico. R-bloggers.com offers daily e-mail updates about R news and tutorials on topics such as: visualization (ggplot2, Boxplots, maps, animation), programming (RStudio, Sweave, LaTeX, SQL,...

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how to use coercion and convert numbers to characters to logicals in r

March 26, 2012
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(This article was first published on twotorials by anthony damico, and kindly contributed to R-bloggers) To leave a comment for the author, please follow the link and comment on his blog: twotorials by anthony damico. R-bloggers.com offers daily e-mail updates about R news and tutorials on topics such as: visualization (ggplot2, Boxplots, maps, animation), programming (RStudio, Sweave, LaTeX, SQL,...

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how to work with character strings in r

March 19, 2012
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(This article was first published on twotorials by anthony damico, and kindly contributed to R-bloggers) To leave a comment for the author, please follow the link and comment on his blog: twotorials by anthony damico. R-bloggers.com offers daily e-mail updates about R news and tutorials on topics such as: visualization (ggplot2, Boxplots, maps, animation), programming (RStudio, Sweave, LaTeX, SQL,...

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how to add comments, save a script file, and make your work reproducible in r

March 19, 2012
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click here to read more about reproducible research

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How to read an excel file (dot xls and dot xlsx) into a data frame with r

March 17, 2012
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How to read an excel file (dot xls and dot xlsx) into a data frame with r

how to read an excel file (dot xls and dot xlsx) into a data frame with r

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