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Matthew Drury's user avatar
Matthew Drury's user avatar
Matthew Drury's user avatar
Matthew Drury
  • Member for 9 years, 4 months
  • Last seen this week
7 votes
Accepted

Am I breaking the assumptions of the Poisson distribution?

7 votes

Should predictive accuracy or, alternatively, minimizing the MSE, be reconsidered?

7 votes
Accepted

interpretation of slope estimate of Poisson regression

7 votes

stepwise logistic regression non significative variables(high p-values)

7 votes

Object of type 'closure' is not subsettable

7 votes
Accepted

GLM Categorical Variable Level grouping / simplification

7 votes

Predictive power vs. explanatory power of statistical models

6 votes
Accepted

Parameter n_iter in scikit-learn's SGDClassifier

6 votes

Why is standard deviation defined as sqrt(var(x)) and not as abs(X-u)?

6 votes

What's in a name: hyperparameters

6 votes
Accepted

What is out-of-fold average?

6 votes
Accepted

Difference in expressions of variance and bias between MSE and MSPE

6 votes
Accepted

GBM: impact of the loss function

6 votes

Expectation of a uniform given a value

6 votes

Can someone explain what the foldid argument in glmnet does?

6 votes
Accepted

Notation - gradients

6 votes

How can Poisson GLM work with non-count data (rate data)?

6 votes
Accepted

Let $X$ be a random variable and $f$ an invertible function. Then the CDF of a random variable $Y=f(X)$ always exists?

6 votes

Difference between `mle` and `optimize` functions in R

6 votes
Accepted

Interpreting coefficient values in lasso regression

6 votes

Can I make a linear congruential generator with a lognormal distribution?

6 votes
Accepted

Generalised least squares: from regression coefficients to correlation coefficients?

6 votes
Accepted

Expectation of the absolute difference of two i.i.d Normal distributions

6 votes
Accepted

How is the decision boundary's equation determined?

6 votes

Normality distribution and logistic regression

6 votes

In model selection with $Y$ as the outcome and $ X = (X_1, \ldots, X_p)$ the explanatory variables, why do we care about $F_{Y|X}$?

6 votes

MLE for Poisson distribution is undefined with all-zero observations

6 votes
Accepted

Is it a creditable approach to use Random Forrest Variable importance for causal inference?

6 votes
Accepted

Why is only linearity between predictors a problem?

6 votes
Accepted

What do we exactly mean by a biased estimate?

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