Search for tag: "decision trees"

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07:59 CL - Lecture 1.c - Encodings CL - Lecture 1.c - Encodings	CL - Lecture 1.c - Encodings In this video, we revisit the chess set to introduce another encoding. We introduce decision trees and compare the two codings. inf1a introduction to computation computation and logic informatics 1 decision trees encoding chess questions bit bits tree values bishop decision piece question ways night king pieces queen rock answer codes rest regions From Claudia-Elena Chirita 0 likes 596 plays 0 Course Code INFR08025 Licence Type All rights reserved The University of Edinburgh Language English
00:46 Summary Summary	Summary Summary iaml decision trees entropy decision tree attribute algorithm forest practice training difference subset measure gain thing summary trees From Nigel Goddard 0 likes 2,443 plays 0 Licence Type Creative Commons - Attribution
02:13 Random forest algorithm Random forest algorithm	Random forest algorithm Random forest algorithm iaml decision trees trees decision subset tree attributes algorithm forests subsets thing gain idea implementation movements connect stories success domains performance art inputs From Nigel Goddard 1 likes 2,884 plays 0 Licence Type Creative Commons - Attribution
03:43 Pros and cons of decision trees Pros and cons of decision trees	Pros and cons of decision trees Pros and cons of decision trees classification decision tree attribute philosophical terminology number yellow impossible decision theory caption complete compact boundaries settle split pretty approach iaml handle separate trees optical spectrum reason produce greedy decide decision trees algorithm thought depth continue representation problem classifier effects tree decision attributes splits lot cut blue access classifiers linear choice From Nigel Goddard 0 likes 4,667 plays 0 Licence Type Creative Commons - Attribution
03:55 Decision tree regression Decision tree regression	Decision tree regression Decision tree regression iaml decision trees classes subset numbers leaf class entropy decision linear regression eyes tree subsets stock node model average variance prediction examples definition From Nigel Goddard 1 likes 3,148 plays 0 Licence Type Creative Commons - Attribution
03:11 Decision Trees and Real-Valued Data Decision Trees and Real-Valued Data	Decision Trees and Real-Valued Data Decision Trees and Real-Valued Data iaml decision trees attributes threshold attribute tree values decision thing centimeters subsets lots outlook height ways splitting negatives positives distribution islam level times From Nigel Goddard 1 likes 3,039 plays 0 Licence Type Creative Commons - Attribution
01:48 Decision Trees are DNF Formulas Decision Trees are DNF Formulas	Decision Trees are DNF Formulas Decision Trees are DNF Formulas iaml decision trees john tree decision rules classifier algorithm representation magic dnf function form formula logic clustering rain array head praise alright watson From Nigel Goddard 0 likes 3,163 plays 0 Licence Type Creative Commons - Attribution
03:13 Information Gain Ratio Information Gain Ratio	Information Gain Ratio Information Gain Ratio attribute concepts in physics dataset entropy measure singletons happen caption complete normalize flaws quantify negative presents split tiny subsets concern fractures iaml effects address ratio general semantics definition decision trees subsets values positive generalize problem feature gain lots attributes game tree thing fracturing splitters lot negatives positives From Nigel Goddard 0 likes 3,614 plays 0 Licence Type Creative Commons - Attribution
04:19 Decision Tree Pruning Decision Tree Pruning	Decision Tree Pruning Decision Tree Pruning decision tree simple number 100 percent decision theory perfect percent negative start highest accuracy split accuracy iaml training data training set train effects captionasr combinations intermediate training decision trees subsets effective items validation set subtree portion cutting allegation legal terms procedure tree validation node nodes size decision cut increase law process cups leaf leaves From Nigel Goddard 0 likes 3,538 plays 1 Licence Type Creative Commons - Attribution
04:07 Overfitting in Decision Trees Overfitting in Decision Trees	Overfitting in Decision Trees Overfitting in Decision Trees iaml decision trees tree decision accuracy training test subsets duplicates algorithm solution axis size function performance lot confidence level singleton singletons hairs effect From Nigel Goddard 0 likes 3,305 plays 0 Licence Type Creative Commons - Attribution
07:33 Information Gain Information Gain	Information Gain Information Gain subset uncertainty probability decision tree attribute plant morphology splitting entropy examples measurement tells decision theory caption complete rainy day pure subset positive higher weight point negative instance split branch computer science game tells iaml smaller subset statistical terminology number effects elementary arithmetic subtract decision trees accomplishes average larger statistical theory subsets gain negatives positives weight entropies attributes bits game wind sense numbers things root From Nigel Goddard 2 likes 3,868 plays 0 Licence Type Creative Commons - Attribution
05:16 Decision Tree Entropy Decision Tree Entropy	Decision Tree Entropy Decision Tree Entropy subset logarithms interpretation people measurement number entropy purity determine measure totally pure tells caption complete positive proportion negative pretty percentage iaml random element whatsoever statistical terminology completely basically definition decision trees items uncertainty minus pure set effects bits log bit positives numbers element proportions negatives subsets values end base thing From Nigel Goddard 0 likes 3,740 plays 1 Licence Type Creative Commons - Attribution
04:02 Decision Tree - Split Purity Decision Tree - Split Purity	Decision Tree - Split Purity Decision Tree - Split Purity iaml decision trees subset split negatives positives subsets measure outlook proportion instance purity sort lot splits wind partitioning attribute probability score nose positivists From Nigel Goddard 0 likes 3,266 plays 0 Licence Type Creative Commons - Attribution
03:32 Quinlan's ID3 Algorithm Quinlan's ID3 Algorithm	Quinlan's ID3 Algorithm Quinlan's ID3 Algorithm subset classification decision tree attribute discovered examples children decision theory caption complete rainy training examples positive people negative current split pretty trees (data structures) child node iaml sunny illustration effects structure independently decision trees root node algorithm overcast recurse values node tree child root quinlan function angel training decision trees crappy crux idea From Nigel Goddard 0 likes 3,412 plays 0 Licence Type Creative Commons - Attribution
05:25 Decision Tree Example Decision Tree Example	Decision Tree Example Decision Tree Example iaml decision trees john tree subset branch wind humidity outlook negatives positives subsets numbers leaf algorithm decision datasets observations dataset leaves root node From Nigel Goddard 0 likes 3,354 plays 0 Licence Type Creative Commons - Attribution
03:39 Decision Trees - An Introduction Decision Trees - An Introduction	Decision Trees - An Introduction Decision Trees - An Introduction subset nearest outlook decision tree attribute john play played tennis windy weather point decision theory caption complete statistics plays factors decision tennis split lecture classify observations iaml statistical terminology play tennis effects data point training decision trees educational psychology uncertainty data set decision boundaries playing john subsets classifier attributes tree kind weeks boundaries trees From Nigel Goddard 1 likes 3,761 plays 0 Licence Type Creative Commons - Attribution

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