rwebdb 29-May-2010
On triangulation and techniques to build metadata and confidence in the data.
data sources, rwebdb | Gary Lewis, May 29, 2010 8:36 am | 
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rwebdb 27-May-2010
An illustration of why data curation is necessary for even modestly complex data sets.
background, data sources, rwebdb | Gary Lewis, May 27, 2010 10:38 am | Comments Off
rwebdb 25-May-2010
How many of the 20,000 institutions represented in the 25 years of IPEDS data appear throughout the time series? And how many appear infrequently? Answers to these questions make an initial design decision possible and provide an opportunity to illustrate the use of an SVG data visualization.
data sources, rwebdb | Gary Lewis, May 25, 2010 10:59 am | Comments Off
rwebdb 20-May-2010
Dynamic query programs can significantly improve management of complex datasets. Here’s a second example that illustrates the benefits.
data sources, rwebdb | Gary Lewis, May 20, 2010 8:55 am | Comments Off
rwebdb 19-May-2010
In a data warehouse, the design effort is all about ease-of-use. Forget elegant data structures; it must first and foremost be simple to use.
data sources, rwebdb | Gary Lewis, May 19, 2010 7:55 am | Comments Off
rwebdb 14-May-2010
Data about the data (metadata) is essential for managing a data project of any complexity.
data sources, rwebdb | Gary Lewis, May 14, 2010 9:07 am | Comments Off
rwebdb 12-May-2010
It begins … the long but absolutely essential task of living in data long enough to recognize both its warts and its beauty.
data sources, rwebdb | Gary Lewis, May 12, 2010 3:34 pm | Comments Off
Bookmarks 09-May-2010
“Poor neighborhoods around the world embrace a surprising idea: incredibly low-priced private schools.”
Bookmarks | Gary Lewis, May 9, 2010 9:57 am | Comments Off
rwebdb 07-May-2010
Character encodings, Unicode, and how I tripped on smart quotes and curly apostrophes.
data sources, rwebdb | Gary Lewis, May 7, 2010 6:10 pm | Comments Off
rwebdb 04-May-2010
Today I got an initial look at a number of IPEDS data files, but it was sufficient to suggest a strategy for building a small data warehouse on institutional costs and pricing.
data sources, rwebdb | Gary Lewis, May 4, 2010 3:18 pm | Comments Off
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