Tag: proc gmap

Example 9.1: Scatterplots with binning for large datasets

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…

Example 9.1: Scatterplots with binning for large datasets

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…

Example 9.1: Scatterplots with binning for large datasets

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…

Multidimensional scaling for clustering ZIP codes

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 …

Example 8.31: Choropleth maps

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…

How many SAS programmer opens by states?

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 …