Counts of new PhDs in the mathematical sciences for 2008-09 and 2011-12 categorized by type of institution, gender, and US citizenship status.

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A data frame with 24 observations on the following 5 variables.

- type
a factor with levels

`I(Pu)`

for group I public universities,`I(Pr)`

for group I private universities,`II`

and`III`

for groups II and III,`IV`

for statistics and biostatistics programs, and`Va`

for applied mathemeatics programs.- sex
a factor with levels

`Female`

,`Male`

of the recipient- citizen
a factor with levels

`Non-US`

,`US`

giving citizenship status- count
The number of individuals of each type in 2008-09

- count11
The number of individuals of each type in 2011-12

These data are produced yearly by the American Math Society.

http://www.ams.org/employment/surveyreports.html Supplementary Table 4 in the 2008-09 data. See http://www.ams.org/profession/data/annual-survey/docsgrtd for more recent data.

Fox, J. and Weisberg, S. (2011)
*An R Companion to Applied Regression*, Second Edition, Sage.

Phipps, Polly, Maxwell, James W. and Rose, Colleen
(2009), *2009 Annual Survey of the Mathematical Sciences*,
57, 250–259, Supplementary Table 4,
http://www.ams.org/employment/2009Survey-First-Report-Supp-Table4.pdf

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