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<math> | <math>WP_s=\frac{\Sigma^R(PRI_{r,s,t-1}*EXRATE_r*ZS_{r,s})}{\Sigma^RZS_{r,s}} | ||
Revision as of 20:47, 27 April 2017
<math>WP_s=\frac{\Sigma^R(PRI_{r,s,t-1}*EXRATE_r*ZS_{r,s})}{\Sigma^RZS_{r,s}}