Scatterplots can get very hard to interpret when displaying large datasets, as points inevitably overplot and can't be individually discerned. A number of approaches have been crafted to help with this problem. One approach uses binning. This approa...
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Tags: binning, heat map, hexagon, hexbin package, hexbin(), large datasets, MASS library, Matrix, multivariate normal, mvrnorm(), proc gmap, proc simnormal
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Scatterplots can get very hard to interpret when displaying large datasets, as points inevitably overplot and can't be individually discerned. A number of approaches have been crafted to help with this problem. One approach uses binning. This approa...
Read more »
Tags: binning, heat map, hexagon, hexbin package, hexbin(), large datasets, MASS library, Matrix, multivariate normal, mvrnorm(), proc gmap, proc simnormal
Posted in SAS | Comments Off
Scatterplots can get very hard to interpret when displaying large datasets, as points inevitably overplot and can't be individually discerned. A number of approaches have been crafted to help with this problem. One approach uses binning. This approa...
Read more »
Tags: binning, heat map, hexagon, hexbin package, hexbin(), large datasets, MASS library, Matrix, multivariate normal, mvrnorm(), proc gmap, proc simnormal
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Multidimensional scaling maps the distances among multiple objects in a two or more dimensional space. This method is getting hotter in analyzing social network, since many SNS website now offer handy tools to visualize the social connections for the ...
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Tags: proc gmap, proc mds
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In our book, we show a simple example of a map (section 6.4.2) where we read the boundary files as data sets and use SAS and R to plot them. But both SAS and R have complex functionality for using pre-compiled map data. To demonstrate them, we'll sho...
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Tags: choropleth, mapproj package, Maps, maps package, match(), proc gmap, proc gproject, RColorBrewer package, regexp()
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1. Data by state is obtained manually from indeed.com (14 days range @15Mar2010);2. Conclusion: SAS programmer opens most occur on the east and west coastdata sites;length stcode $ 2;input stcode $ region sites;state=stfips(stcode);datalines;AR 6 ...
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Tags: data cleaning, Data Integration, proc gmap
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