Clay Helberg

Pitfalls of Data Analysis. ERIC/AE Digest.

Clay Helberg, C. Helberg, 1996 .

Pitfalls of Data Analysis (or How to Avoid Lies and Damned Lies)

Clay Helberg, C. Helberg, 2000 .

How to Avoid Lies and Damned Lies: Pitfalls of Data Analysis

Clay Helberg, 2007 .

Pitfalls of Data Analysis

Clay Helberg, C. Helberg, 1996 .