phase frequency testphase type distributionphenomenaphenomenonphi coefficientphi deviationphi max coefficientphi meanpictogrampie chartpiecewise continuous functionpiecewise exponential survival analysispilot surveypitman closenesspitman efficiencypitman estimatorpitman morgan testpitman testpivot depthpivot t statisticspivotalpivotal inferencepivotal quantitypivotingpixelplacement statisticplackett and burman designplackett family of distributionsplaidplaid and half plaid squaresplanplanck distributionplanningplatykurtic curveplausibility functionplay the loser samplingplay the winner ruleplotplottingplug in rulepoankarepocock and simon methodpoincare recurrence theorempoint biserial correlationpoint estimatepoint estimationpoint multiserial correlationpoint of an umbrellapoint processpoint stochastic process