EntityQ112150238· pop 8· linked from 13 articlesProximal Policy OptimizationSign in to savemodel-free reinforcement learning algorithmConnectionsartificial neural networkEntityonline machine learningEntityArtificial intelligenceConceptgame theoryEntitymachine learningEntityOpenAIConceptdeep learningEntitydata miningEntityvarianceEntityQ118398EntityDota 2Entityprobability distributionEntityexpectationEntityregression analysisEntitycrowdsourcingEntitycluster analysisEntitysupervised learningEntityreinforcement learningEntitylinear regressionEntityfactor analysisEntityCategories2017 in artificial intelligenceMachine learning algorithmsReinforcement learning