Analyst's user avatar
Analyst's user avatar
Analyst's user avatar
Analyst
  • Member for 10 years, 7 months
  • Last seen more than 5 years ago
  • Finland
11 votes
Accepted

What is the difference between A/B Testing and Randomized Control Trials?

7 votes

Cut-off point in a ROC curve. Is there a simple function?

6 votes

Area under curve of ROC vs. overall accuracy

6 votes
Accepted

Performing a time series ARIMA model on natural gas power demand using the forecast package from R

6 votes

AUC and Balanced accuracy in R Modelling

6 votes

Class imbalance in Supervised Machine Learning

6 votes

How can top principal components retain the predictive power on a dependent variable (or even lead to better predictions)?

5 votes
Accepted

Two or more time series. What is the best way to test whether one of them is leading and by what time period?

5 votes

What is the purpose of precision variables?

5 votes

how to calculate R-squared in glm?

4 votes
Accepted

R neural network model with target vector as output containing survival predictions

4 votes

Test if two coefficients are statistically different in logistic regression?

3 votes

Solve $X^TX b = a$ for $b$ using $XX^T$ for a short and wide matrix $X$

3 votes

How to decide whether a variable belongs to a linear model?

3 votes
Accepted

How to take advantage of multiples series with the same behaviour for forecasting?

3 votes

Class Imbalance

3 votes

Decision tree for numeric dependent variable?

3 votes

What type of regression to use with 1 to 10 scale dependent variable?

3 votes
Accepted

Definition of multivariate regression coefficient

3 votes

Simple examples of uncorrelated but not independent $X$ and $Y$

3 votes

Using Yule Walker equations for ACF and PACF

2 votes
Accepted

R - ROCR Library - Understanding predict and prediction method

2 votes

What is the main idea behind the power spectrum?

2 votes

Difficulty with auto.arima function results

2 votes
Accepted

SAS Scoring on new data

2 votes
Accepted

Predictive accuracy and correlation of inputs

2 votes

Way to correct sample selection bias with unknown selection?

2 votes
Accepted

Classifier performance measure that combines sensitivity and specificity?

2 votes

Convert annual data to quarterly frequency

2 votes

Model Estimation

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