Are you planning to attend WUSS 2011 or are you a data miner who will you be in the San Francisco Bay area on Saturday, October 15 and looking for an "Unusually," "Uninteresting" data mining Unconference? An unconference is an event where users suggest topics, get together and discuss them in
English
Unattention data miners!
Count the number of missing values for each variable
The other day I encountered a SAS Knowledge Base article that shows how to count the number of missing and nonmissing values for each variable in a data set. However, the code is a complicated macro that is difficult for a beginning SAS programmer to understand. (Well, it was hard
The effect of holidays on US births
Last week I showed a graph of the number of US births for each day in 2002, which shows a strong day-of-the-week effect. The graph also shows that the number of births on a given day is affected by US holidays. This blog post looks closer at the holiday effect.