Is there a join() function in R ? OR: simulating "Combining ggplot2 and Google Maps" by David Kahle
Hi Christiaan, That looks like the join function in the plyr package. Michael
On 16 December 2010 22:06, christiaan pauw <cjpauw at gmail.com> wrote:
Hi everybody Im on R version 2.11.1 ?on Mac OS X I am working through David Kahle's example of using ggplot2 with Rgooglemaps (found here: https://github.com/hadley/ggplot2/wiki/Crime-in-Downtown-Houston,-Texas-:-Combining-ggplot2-and-Google-Maps). Excellent page by the way. I have downloaded the data and the code and want to learn how to do this by first simulating David's results and then working it through line by line to make sure I understand what every line of code does and then applying it to my own data. When I run the code however, it breaks on the following line: df <- suppressMessages(join(df_xyll, m_map, type = 'right')) I do not seem to have the join() function. This looks almost SQLish. I have tried ??join and looking on CRAN and a google search but I cannot find this function. Is there a special library that one has to install for this to work? Can anyone help please. Best regards Christiaan ? ? ? ?[[alternative HTML version deleted]]
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