She wrote the book '' An introduction to generalized linear model , '' which is one of the most influential and highly used book in the field by researchers and students in a wide range of background , such as mathematics , social sciences , and business .
She wrote the book '' An introduction to generalized linear model , '' which is one of the most influential and highly used books on that topic . 
 It is used extensively by both researchers and students with a wide range of backgrounds , such as mathematics , social sciences , and business .