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1 "AmNat" 0.0 0.0 0.0 x_fact 3.453476 y_fact 4.676687
2 "BMathBiol" 0.0 0.0 0.0 x_fact 0.589822 y_fact 0.656847
3 "Ecology" 0.0 0.0 0.0 x_fact 3.218888 y_fact 6.080866
4 "Genetics" 0.0 0.0 0.0 x_fact 6.722633 y_fact 13.009601
5 "JMathBiol" 0.0 0.0 0.0 x_fact 0.678631 y_fact 0.862950
6 "JTheorBiol" 0.0 0.0 0.0 x_fact 3.017812 y_fact 3.837196
7 "MathBiosci" 0.0 0.0 0.0 x_fact 0.640091 y_fact 0.774142
8 "Nature" 0.0 0.0 0.0 x_fact 7.010841 y_fact 14.284757
9 "PNatlAcadSciUsa" 0.0 0.0 0.0 x_fact 21.282193 y_fact 37.019722
10 "PRoySocBBiolSci" 0.0 0.0 0.0 x_fact 4.329831 y_fact 5.526232
11 "Science" 0.0 0.0 0.0 x_fact 6.023895 y_fact 11.654016
12 "SiamJApplMath" 0.0 0.0 0.0 x_fact 0.321721 y_fact 0.512743
13 "TheorPopulBiol" 0.0 0.0 0.0 x_fact 0.856248 y_fact 1.104241
*Matrix 
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