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A parity progression ratios (PPR) is a measure commonly used in demography to study fertility. The PPR is simply the proportion of women with a certain number of children who go on to have another child. Calculating the PPR, also known as , can be achieved by using the following formula:
PPR (company), a French luxury-brands and retail conglomerate Philosophy and Phenomenological Research, a bimonthly academic journal; Points per reception, a scoring system for fantasy American football
The Polish Workers' Party (Polish: Polska Partia Robotnicza, PPR) was a communist party in Poland from 1942 to 1948. It was founded as a reconstitution of the Communist Party of Poland (KPP) and merged with the Polish Socialist Party (PPS) in 1948 to form the Polish United Workers' Party (PZPR). [ 1 ]