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olooney
  • Member for 8 years
  • Last seen more than a week ago
43 votes

Industry vs Kaggle challenges. Is collecting more observations and having access to more variables more important than fancy modelling?

20 votes
Accepted

What must someone know in statistics and machine learning?

18 votes
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What is the name for the average of the largest and the smallest values in a given data set?

17 votes

Is studentized residuals v/s standardized residuals in lm model

9 votes
Accepted

Derivative of the loss function w.r.t to X for the backpropagation

9 votes
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Intuitively, how does the wild bootstrap work?

8 votes
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Are the errors in this formulation of the simple linear regression model random variables?

8 votes
Accepted

How to optimize MAPE in regression algorithms

8 votes
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Why is computing ridge regression with a Cholesky decomposition much quicker than using SVD?

7 votes

What is the probability that $X<Y$ given $\min(X,Y)$?

7 votes

Can confidence interval of positive values be negative?

5 votes
Accepted

Alternatives to minimizing loss in regression

4 votes

Coefficient of determination $R^{2}$ for each variable in multiple regression

4 votes

Best practice for normalizing output in regression

4 votes
Accepted

MLE of $f(x\vert\theta)=1/\theta$, $x_1 , \cdots , x_n \sim U(0,\theta) \;\;, \theta>0$,

4 votes

Why is chi-squared / z-test used for a/b testing in marketing?

3 votes

What does the pmf of a discrete random variable look like if it can take on the value $\infty$?

3 votes
Accepted

How to find out if there is any real pattern in the data set?

3 votes

Is it possible to calculate F-value for a neural network regression model?

3 votes

Same results from bayesian and frequentist hypothesis testing? References needed

3 votes

Does it make sense to run DBSCAN on the output from t-SNE?

3 votes
Accepted

Paired data comparison: regression or paired t-test?

3 votes

Covariance versus correlation: which is a "deeper" or more "structural" property of the data?

3 votes
Accepted

Which model for feature importances?

3 votes

Does SVM perform poorly with too few observations

3 votes

Applying TF/IDF to non-text data?

2 votes
Accepted

Very basic question about task

2 votes
Accepted

How to present results of 2 binary experiments?

2 votes

Moment generating function between 2 variables

2 votes

Additive Or Multiplicative Time Series Model?