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Table 1 Logistic regression coefficients from modeling SDAR decay as a function of Number of Authors, Number of years since publication (SDAR_AGE) and Publication Year.

From: Trends in the production of scientific data analysis resources

  Estimate StdError z value Pr(>|z|)
(Intercept) -2.88 0.226 -12.7 3.25E-37
SDAR_Age 0.268 0.022 12.3 6.91E-35
NumAuthors -0.0236 0.007 -3.34 0.00083
year2004 0.183 0.111 1.65 0.0986
year2005 0.215 0.105 2.05 0.0404
year2006 0.293 0.112 2.61 0.0090
year2007 0.3 0.12 2.51 0.0121
year2008 0.458 0.132 3.47 0.0005
year2009 0.356 0.148 2.41 0.0161
year2010 0.22 0.164 1.34 0.181
year2011 0.23 0.184 1.25 0.211
year2012 0.147 0.206 0.713 0.476
year2013 0.042 0.232 0.181 0.857