A new book from SAS Press, "Statistical Graphics Procedures by Example" co-authored by Dan Heath and I has now been published (phew!). For both Dan and I, this was our first foray into writing a book, so it was highly educational to say the least. The key idea behind the presentation
Uncategorized
Secrets of statistical graphics procedures revealed
Poor does not equal lazy
After my November blog post about achievement gaps between affluent and poor students, Newt Gingrich cast some renewed energy on the topic with his inflammatory comments about poor children at a Dec 1st GOP debate. In case you missed his remarks, here is the quote that sent the media into
What's the difference between 0 and -0?
My daughter's math lessons this year have included the concept of negative numbers (that is, numbers that are less than zero, not numbers that have a bad attitude). She has used number lines such as this one to help her while she completes her homework: Notice that in this number