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Is ML and DL turning math into code? beginner

machine-learning neural-networks artificial-intelligence

asked 53 mins ago vededov623 1

5

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1

answer

458

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Measuring the bias-variance tradeoff

machine-learning variance cross-validation bias overfitting

modified 2 hours ago Community♦ 1

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1

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115

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variance of prediction error approximation to actual variance of error * chisq(N-p-1) from eqn 3.11 of Element of statistical learning

machine-learning chi-squared

modified 4 hours ago Community♦ 1

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6

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Refining a Human's Guess - Reinforcement Learning?

machine-learning neural-networks reinforcement-learning

asked 4 hours ago foobar5512 111

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4

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878

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One hot encoding of a binary feature when using XGBoost

machine-learning random-forest scikit-learn data-mining xgboost

answered 7 hours ago Sam 101

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366

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How do I do stratified sampling on group-separated datasets in Python? Do packages for this exist?

machine-learning distributions python dataset stratification

answered 8 hours ago Christoph Doell 11

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Why ordinal target in classification problems needs special attention?

machine-learning classification ordinal-data ordered-logit multinomial-logit

modified 9 hours ago Julio Jesus Luna 131

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1

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21

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Small, simple neural network test problem?

machine-learning neural-networks gradient-descent

answered 10 hours ago Sycorax♦ 61.2k

4

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2

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Are XGBoost probability outputs based on the number of examples in a terminal leaf

machine-learning classification data-mining cart xgboost

modified 12 hours ago Sycorax♦ 61.2k

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How does gradient boosting calculate probability estimates?

machine-learning classification boosting ensemble xgboost

modified 12 hours ago Sycorax♦ 61.2k

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Testing whether new variables improve XGBoost model

r machine-learning xgboost

asked 15 hours ago George Johnsen 11

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Questions regarding implementation of cross-validation

machine-learning cross-validation dataset hyperparameter

answered 15 hours ago Tanner Phillips 308

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Is there a better way to describe a model's generalization performance than “under” and “overfitting”?

machine-learning neural-networks references overfitting validation

answered 15 hours ago Camille Gontier 702

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Using Mean Squared Error as a metric for evaluation

machine-learning mathematical-statistics model-evaluation mse scatterplot

modified 16 hours ago k.jbaili 1

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