Redirection Harvesting

Here in the Caribbean we are “surviving” hurricane Earl, so the IRW issue has been delayed. This and the upcoming two  issues …

Matrix Algebra for Search Marketing

Today I feel like giving away a little quiz material on applied linear algebra. The topic is relevant these days …

Understanding Fisher’s Z Transformations

12-20-2018 Update: Not all researchers know that score-to-rank transformations can change the sampling distribution of a statistic (e.g. a correlation …

On trusting search engine stemming and matching results

If you believe or care about it, then following resources might interest you. On stemming and counting search results http://jis.sagepub.com/content/early/2009/05/28/1363459309336801 …

Great Resources on NonNegative Matrix Factorization (NMF)

Here are some great resources on NMF or NonNegative Matrix Factorization. I might put out my own tutorial on the …