As a scientific endeavor, machine learning grew out of the quest for artificial intelligence. In the early days of AI as an [[Discipline (academia)|academic discipline]], some researchers were interested in having machines learn from data. They attempted to approach the problem with various symbolic methods, as well as what were then termed "[[neural network]]s"; these were mostly [[perceptron]]s and [[ADALINE|other models]] that were later found to be reinventions of the [[generalized linear model]]s of statistics.<ref>{{cite citeseerx |last1=Sarle |first1=Warren |title=Neural Networks and statistical models |citeseerx=10.1.1.27.699 |year=1994}}</ref> [[Probability theory|Probabilistic]] reasoning was also employed, especially in automated [[medical diagnosis]].<ref name="aima">{{cite AIMA|edition=2}}</ref>{{rp|488}} | As a scientific endeavor, machine learning grew out of the quest for artificial intelligence. In the early days of AI as an [[Discipline (academia)|academic discipline]], some researchers were interested in having machines learn from data. They attempted to approach the problem with various symbolic methods, as well as what were then termed "[[neural network]]s"; these were mostly [[perceptron]]s and [[ADALINE|other models]] that were later found to be reinventions of the [[generalized linear model]]s of statistics.<ref>{{cite citeseerx |last1=Sarle |first1=Warren |title=Neural Networks and statistical models |citeseerx=10.1.1.27.699 |year=1994}}</ref> [[Probability theory|Probabilistic]] reasoning was also employed, especially in automated [[medical diagnosis]].<ref name="aima">{{cite AIMA|edition=2}}</ref>{{rp|488}} |