... but you may be interested in this: http://andywoodruff.com/blog/why-are-choropleth-mercator-maps-bad-because-we-said-so/
Cheers, Bert On Fri, Nov 1, 2013 at 12:18 PM, Adams, Jean <jvad...@usgs.gov> wrote: > Claudia, > > I have not worked through the example myself. Since you seem to be getting > errors, perhaps a different example would help. Here are some more > choropleth maps (although these use US states rather than European > countries). > > http://blog.revolutionanalytics.com/2009/11/choropleth-challenge-result.html > > Jean > > > > On Fri, Nov 1, 2013 at 12:04 PM, <palad...@trustindata.de> wrote: > >> Hi Jean, >> thanks again for your response. As I told you I did the downloads and >> double checked if I selected the right directory. >> But I noticed right now what happend: >> The command in the example is : >> >> eurMap <- readShapePoly(fn="NUTS_2010_**60M_SH/Shape/data/NUTS_RG_60M_** >> 2010") >> >> But it should be : >> eurMap <- readShapePoly(fn="NUTS_2010_**60M_SH/data/ggg/NUTS_RG_60M_** >> 2010") >> >> Because if you do the downloads and unzip these data there is no such >> think as a "Shape" directory. >> >> Now eurMap <- readShapePoly(fn="NUTS_2010_**60M_SH/data/NUTS_RG_60M_2010") >> works. >> >> >> What happens now is that after typing: >> eurEduMapDf <- merge(eurMapDf, eurEdu, by.x="id", by.y="GEO") >> I get another error message because "eurMapDf" is unknown. >> >> So I supposed it should be: >> eurEduMapDf <- merge(eurMap, eurEdu, by.x="id", by.y="GEO") >> >> But this doesn't work either.The error message this time is: undefined >> column selected. >> >> Did I do something wrong? >> >> >> >> Best regards >> >> Claudia >> >> >> >> >> >> >> >> >> Zitat von "Adams, Jean" <jvad...@usgs.gov>: >> >> Claudia, >>> >>> You should cc r-help on all correspondence so that others can follow the >>> thread. >>> >>> In the second paragraph of the link I sent you >>> >>> http://www.r-bloggers.com/**maps-in-r-choropleth-maps/<http://www.r-bloggers.com/maps-in-r-choropleth-maps/> >>> a link is provided for the NUTS data, >>> "The polygons for drawing the administrative boundaries were obtained >>> from this link. In particular, the NUTS 2010 shapefile in the 1:60 million >>> scale was downloaded and used. The other available scales would allow the >>> drawing of better defined maps, but at a computational cost. The zipped >>> file has to be extracted in a folder of choice for using it later." >>> >>> http://epp.eurostat.ec.europa.**eu/portal/page/portal/gisco_** >>> Geographical_information_maps/**popups/references/**administrative_units_ >>> **statistical_units_1<http://epp.eurostat.ec.europa.eu/portal/page/portal/gisco_Geographical_information_maps/popups/references/administrative_units_statistical_units_1> >>> >>> If you want to follow the example, you will need to download this data to >>> your computer and then make sure that you refer to the appropriate >>> directory when using the readShapePoly() function. >>> >>> Jean >>> >>> >>> >>> On Wed, Oct 30, 2013 at 11:14 AM, <palad...@trustindata.de> wrote: >>> >>> Hi Jean, >>>> thank you for your advice. >>>> The page looks quite interesting and I tried the example in GNU R. I did >>>> all the downloads. >>>> But >>>> Just in the beginnig after typing >>>> >>>> eurMap <- readShapePoly(fn="NUTS_2010_****60M_SH/Shape/data/NUTS_RG_60M_ >>>> **** >>>> >>>> 2010") >>>> I get the following error message: >>>> >>>> Error in getinfo.shape(filen) : Error opening SHP file >>>> >>>> To you have an idea what I did wrong? >>>> >>>> Thanks a lot and best regards >>>> >>>> Claudia >>>> >>>> >>>> >>>> >>>> Zitat von "Adams, Jean" <jvad...@usgs.gov>: >>>> >>>> Check out this link for some examples >>>> >>>>> >>>>> http://www.r-bloggers.com/****maps-in-r-choropleth-maps/<http://www.r-bloggers.com/**maps-in-r-choropleth-maps/> >>>>> <htt**p://www.r-bloggers.com/maps-**in-r-choropleth-maps/<http://www.r-bloggers.com/maps-in-r-choropleth-maps/> >>>>> > >>>>> >>>>> >>>>> Jean >>>>> >>>>> >>>>> On Tue, Oct 29, 2013 at 12:02 PM, <palad...@trustindata.de> wrote: >>>>> >>>>> Hello, >>>>> >>>>>> I would like to draw a map of Europe. Each country should be colored >>>>>> depending on how it scores in an index called GPIndex. >>>>>> Say a dark red for real bad countries a light red for those which are >>>>>> not >>>>>> so bad, light blue for the fairly good ones and so on up to the really >>>>>> good >>>>>> ones in a dark blue. >>>>>> I never worked with geographic maps before so I tried library maps but >>>>>> I >>>>>> didn't get far,- especially because all examples I found only seem to >>>>>> work >>>>>> for the United states. So I'm a bit lost. >>>>>> I would be nice if somebody could help me. >>>>>> >>>>>> Thanking you in anticipation! >>>>>> >>>>>> Best regards >>>>>> >>>>>> Claudia >>>>>> >>>>>> ______________________________******________________ >>>>>> R-help@r-project.org mailing list >>>>>> https://stat.ethz.ch/mailman/******listinfo/r-help<https://stat.ethz.ch/mailman/****listinfo/r-help> >>>>>> <https://**stat.ethz.ch/mailman/****listinfo/r-help<https://stat.ethz.ch/mailman/**listinfo/r-help> >>>>>> > >>>>>> <https://stat.**ethz.ch/**mailman/listinfo/r-**help<http://ethz.ch/mailman/listinfo/r-**help> >>>>>> <http**s://stat.ethz.ch/mailman/**listinfo/r-help<https://stat.ethz.ch/mailman/listinfo/r-help> >>>>>> > >>>>>> >>>>>> > >>>>>> PLEASE do read the posting guide http://www.R-project.org/** >>>>>> posting-guide.html >>>>>> <http://www.R-project.org/****posting-guide.html<http://www.R-project.org/**posting-guide.html> >>>>>> <http://www.**R-project.org/posting-guide.**html<http://www.R-project.org/posting-guide.html> >>>>>> > >>>>>> >>>>>> > >>>>>> >>>>>> and provide commented, minimal, self-contained, reproducible code. >>>>>> >>>>>> >>>>>> >>>> >>>> >> >> > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. -- Bert Gunter Genentech Nonclinical Biostatistics (650) 467-7374 ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
