Trending questions in Machine Learning

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bias and variance calculation for linear regression

Evaluation of Variance: variance = np.var(prediction) # Where ...READ MORE

Mar 2, 2022 in Machine Learning by Nandini
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Cost Function, Linear Regression, trying to avoid hard coding theta. Octave.

In Octave/Matlab, you can use vectorize operations. ...READ MORE

Apr 4, 2022 in Machine Learning by Nandini
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L2 regularization in Logistic regression vs NN

L2 Regularization is known as Ridge Regression. ...READ MORE

Mar 2, 2022 in Machine Learning by Nandini
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How do I create a linear regression model in Weka without training?

Weka is a classification algorithm. This is ...READ MORE

Mar 9, 2022 in Machine Learning by Nandini
 • 5,480 points • 2,351 views
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Which polynomial regression degree is significant ? depends of number of points or other parameters?

You're more likely to overfit the results ...READ MORE

Mar 23, 2022 in Machine Learning by Nandini
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Linear Discriminant Analysis vs Naive Bayes

There are no standards fixed as to ...READ MORE

Feb 10, 2022 in Machine Learning by Nandini
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R - plm regression with time in posix-format

To use in your model, I believe ...READ MORE

Apr 4, 2022 in Machine Learning by Nandini
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Linear regression returning bad fit with large x values

To make the date values start at ...READ MORE

Mar 23, 2022 in Machine Learning by Nandini
 • 5,480 points • 1,649 views
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How can I convert PCFG in CNF for this grammar?

To answer your question. The CNF is given ...READ MORE

Mar 25, 2022 in Machine Learning by Nandini
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How to get early stopping for lasso regression

I believe you're referring to regularization. In ...READ MORE

Mar 23, 2022 in Machine Learning by Nandini
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probability of getting three of a kind by drawing 5 cards

from collections package import counter to count ...READ MORE

Mar 25, 2022 in Machine Learning by Nandini
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Competitive Programming Algorithm Sock Drawing Probability Question

Another way to look at the problem ...READ MORE

Mar 25, 2022 in Machine Learning by Dev
 • 6,000 points • 1,424 views
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How does software that calculates winning probability of a Texas Hold'em or Omaha hand against 8 random opponent hands work?

The projected win rate, as you noted, ...READ MORE

Mar 25, 2022 in Machine Learning by Nandini
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How to perform regression algorithm on a textual data(IMDB reviews)?

You can use either word2vec or tf-idf ...READ MORE

Mar 30, 2022 in Machine Learning by Dev
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Probability: the one true fish

What you're looking for is P(A|B), which ...READ MORE

Mar 25, 2022 in Machine Learning by Dev
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Why is random_state required for ridge & lasso regression classifiers?

This is because the regression coefficients of ...READ MORE

Mar 2, 2022 in Machine Learning by Nandini
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Formula to calculate chance (probability) of a dice side based on its value

If I understand you correctly, you're looking ...READ MORE

Mar 17, 2022 in Machine Learning by Dev
 • 6,000 points • 1,625 views
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Naive Bayes classifier bases decision only on a-priori probabilities

You seem to have trained the model ...READ MORE

Mar 25, 2022 in Machine Learning by Nandini
 • 5,480 points • 1,274 views
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Supress table header in tbl_regression of gtsummary

After you've separated your table, use tbl ...READ MORE

Mar 17, 2022 in Machine Learning by Dev
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How to calculate ctc probability for given input and expected output?

The loss for a batch is defined ...READ MORE

Mar 17, 2022 in Machine Learning by Dev
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1 answer

Logistic regression coefficient meaning

What did the intercept teach you? It's ...READ MORE

Mar 23, 2022 in Machine Learning by Nandini
 • 5,480 points • 1,509 views
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What is alpha in ridge regression?

‘L2 regularization‘ or Ridge Regularization  adds penalty ...READ MORE

Mar 2, 2022 in Machine Learning by Nandini
 • 5,480 points • 2,114 views
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1 answer

How does Label Encoder assigns the same number?

I am creating a dummy data set ...READ MORE

Feb 22, 2022 in Machine Learning by Nandini
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Leela Chess Zero: how large is the probability vector in the output layer?

The next move's probability vector (called the ...READ MORE

Mar 9, 2022 in Machine Learning by Nandini
 • 5,480 points • 1,881 views
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1 answer

Calculating (experimental) probability of head toss

To answer your question.  Refer to the code ...READ MORE

Mar 23, 2022 in Machine Learning by Dev
 • 6,000 points • 1,207 views
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1 answer

What's the difference between regression testing and mutation testing?

Regression testing is a test suite that ...READ MORE

Mar 8, 2022 in Machine Learning by Dev
 • 6,000 points • 1,912 views
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DBSCAN algorithm and clustering algorithm for data mining

You can use any distance function with ...READ MORE

Mar 4, 2022 in Machine Learning by Dev
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Bad logistic regression in trivial example [scikit-learn]

This is due to the process of ...READ MORE

Mar 17, 2022 in Machine Learning by Dev
 • 6,000 points • 1,347 views
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1 answer

Which polynomial regression degree is significant ? depends of number of points or other parameters?

I must admit that the wording of ...READ MORE

Mar 17, 2022 in Machine Learning by Dev
 • 6,000 points • 1,332 views
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1 answer

Identifying different regressions (Linear, Polynomial) from a graph and fit regression model accordingly

The constant part of your equation isn't ...READ MORE

Mar 17, 2022 in Machine Learning by Dev
 • 6,000 points • 1,313 views
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Probability that a formula fails in IEEE 754

It is feasible to evaluate these things ...READ MORE

Mar 23, 2022 in Machine Learning by Nandini
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1 answer

sklearn MLPClassifier - zero hidden layers (i.e. logistic regression)

You could try something like this. my_nn = ...READ MORE

Mar 8, 2022 in Machine Learning by Dev
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Why there is the need of using regularization in machine learning problems?

In Machine Learning we often divide the dataset ...READ MORE

Feb 21, 2022 in Machine Learning by Dev
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1 answer

What is the difference between classification and prediction?

Classification is about classifying categorical variables in ...READ MORE

Feb 25, 2022 in Machine Learning by Dev
 • 6,000 points • 2,106 views
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Is predicting number of sales a Regression or Classification problem?

The output will be discrete but the ...READ MORE

Feb 25, 2022 in Machine Learning by Dev
 • 6,000 points • 2,063 views
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1 answer

What does regression test mean?

Regression testing is used to ensure that ...READ MORE

Mar 9, 2022 in Machine Learning by Nandini
 • 5,480 points • 1,616 views
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difference between a cost function and the gradient descent equation in logistic regression?

Cost function is a way to evaluate ...READ MORE

Feb 22, 2022 in Machine Learning by Nandini
 • 5,480 points • 2,162 views
0 votes
1 answer

Getting one word as caption with zero probability using pretrained checkpoints for image captioning-im2txt

captiongenerator.py is a Python script that generates ...READ MORE

Mar 17, 2022 in Machine Learning by Dev
 • 6,000 points • 1,204 views
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1 answer

How to export regression equations for grouped data?

First, you'll need a linear model with ...READ MORE

Mar 14, 2022 in Machine Learning by Dev
 • 6,000 points • 1,406 views
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Classification vs Regression?

You are correct: categorization applies a label ...READ MORE

Mar 9, 2022 in Machine Learning by Nandini
 • 5,480 points • 1,500 views
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Difference between Regression and classification in Machine Learning?

The goal of regression is to forecast ...READ MORE

Mar 4, 2022 in Machine Learning by Dev
 • 6,000 points • 1,630 views
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How to resolve heteroscedasticity in Multiple Linear Regression in R?

Try to use a different form of ...READ MORE

Mar 4, 2022 in Machine Learning by Dev
 • 6,000 points • 1,603 views
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Empirical probability in R with x1+x2>2*x3

It's easy to duplicate random draws with ...READ MORE

Mar 15, 2022 in Machine Learning by Dev
 • 6,000 points • 1,237 views
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Is batch normalization useful for small networks?

Batch normalization is a technique that is ...READ MORE

Mar 3, 2022 in Machine Learning by Nandini
 • 5,480 points • 1,571 views
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2 answers

valueerror: found input variables with inconsistent numbers of samples: [40, 10]

X_train, X_test, y_train, y_test = train_test_split( input ...READ MORE

Sep 29, 2021 in Machine Learning by SREEKANTH REDDY DADHIREDDY
edited Mar 5, 2025 • 17,561 views
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Can we use Normal Equation for Logistic Regression ?

Well not likely,  only one discriminative method ...READ MORE

Feb 24, 2022 in Machine Learning by Nandini
 • 5,480 points • 1,804 views
0 votes
1 answer

feature selection for regression vs classification

There are various feature selection processes used ...READ MORE

Mar 3, 2022 in Machine Learning by Nandini
 • 5,480 points • 1,482 views
0 votes
1 answer

What is the difference between supervised learning and unsupervised learning?

Supervised and unsupervised learning are two types ...READ MORE

Feb 22, 2022 in Machine Learning by Nandini
 • 5,480 points • 1,872 views
0 votes
1 answer

Choose specific number with probability

Examine the sample function. set.seed(1) sample(c(0,1), size=12, replace=TRUE, prob=c(0.2,0.8)) 1 ...READ MORE

Mar 14, 2022 in Machine Learning by Dev
 • 6,000 points • 1,149 views
0 votes
0 answers

Decision tree vs. Naive Bayes classifier

In which cases is it better to ...READ MORE

Feb 28, 2022 in Machine Learning by Dev
 • 6,000 points • 1,564 views
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