ISLP CH 8 - Tree-Based Methods

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Introduction to Statistical Learning with Python book

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Yukutman

United States

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Mots Croisés ISLP CH 8 - Tree-Based MethodsVersion en ligne Introduction to Statistical Learning with Python book par Yukutman 1 A flowchart-like model where data is split recursively based on feature values 2 The greedy algorithm used to grow a tree by choosing the best split at each step 3 A decision tree where the target variable is categorical 4 A decision tree where the target variable is continuous 5 The process of cutting back a large tree to avoid overfitting 6 Pruning method that balances tree size and training error with a tuning parameter α 2 4 1 3 5 6 1 A measure of how mixed the classes are in a classification tree 2 Used in regression trees to measure split quality 3 A measure of node impurity used in classification trees 4 An alternative to Gini Index 5 A measure of impurity equal to the fraction of training observations in a node that do not belong to the most common class 5 2 1 3 4 1 Modeling approach that combines multiple learners 2 Bootstrap aggregation: building multiple trees on bootstrapped samples and averaging results 3 An ensemble of decision trees built on bootstrapped samples with random feature selection at each split 4 Sequentially building trees where each tree focuses on the residual errors of the previous one 5 An ensemble method that models the response as a sum of many regression trees, using a Bayesian prior to regularize the fit and avoid overfitting 2 4 3 1 5 1 When a model captures noise instead of the underlying pattern 2 A sample drawn with replacement from the training set 3 Error estimate in bagging/random forests based on samples not included in the bootstrap 3 2 1

ISLP CH 8 - Tree-Based Methods

Mots Croisés

À propos de cette activité

Créé par

Téléchargez la version pour jouer sur papier

Top Jeux

Mots Croisés

Country- flag crossword

Mots Croisés

Grey's Anatomy crossword

Mots Croisés

Disney Characters

Mots Croisés

IATA Airport Codes I

Mots Mêlés

Los Cognados

Mots Croisés

Taylor Swift Crossword

Mots Croisés

ISLP CH 8 - Tree-Based MethodsVersion en ligne

par Yukutman

A flowchart-like model where data is split recursively based on feature values

The greedy algorithm used to grow a tree by choosing the best split at each step

A decision tree where the target variable is categorical

A decision tree where the target variable is continuous

The process of cutting back a large tree to avoid overfitting

Pruning method that balances tree size and training error with a tuning parameter α

A measure of how mixed the classes are in a classification tree

Used in regression trees to measure split quality

A measure of node impurity used in classification trees

An alternative to Gini Index

A measure of impurity equal to the fraction of training observations in a node that do not belong to the most common class

Modeling approach that combines multiple learners

Bootstrap aggregation: building multiple trees on bootstrapped samples and averaging results

An ensemble of decision trees built on bootstrapped samples with random feature selection at each split

Sequentially building trees where each tree focuses on the residual errors of the previous one

An ensemble method that models the response as a sum of many regression trees, using a Bayesian prior to regularize the fit and avoid overfitting

When a model captures noise instead of the underlying pattern

A sample drawn with replacement from the training set

Error estimate in bagging/random forests based on samples not included in the bootstrap