Hewa Ghafor Hassan

6 Questions 49 Answers 0 Followers

Questions related from Hewa Ghafor Hassan

Strange error computation

I have an (astronomical) image, and I want to sum up the pixels within a square, and also get the error of this sum. I use the program DS9, and it does give me a sum, and an error. But the strange...

01 January 1970 3,273 2 View

What is a good academic citation for cross-validation?

I performed a holdout cross-validation analysis on a multilevel model fit. The purpose of this was to show that we didn't have a problem with over-fitting, for which it worked just fine. Now we...

01 January 1970 9,099 3 View

Why isn't Logistic Regression called Logistic Classification?

Since Logistic Regression is a statistical classification model dealing with categorical dependent variables, why isn't it called Logistic Classification? Shouldn't the "Regression" name be...

01 January 1970 2,935 4 View

What will be the correct answer, if we modify the “Best statistics question ever”?

There is a popular question, called "Best statistics question ever". If you choose an answer to this question at random, what is the chance you will be correct? A) 25% B) 50% C) 60% D) 25% This...

01 January 1970 5,528 0 View

Should I use a decision tree or logistic regression for classification?

I am working on a classification problem. I have a dataset containing equal numbers of categorical variables and continuous variables. How do I decide which technique to use, between a decision...

01 January 1970 5,853 3 View

Why is logistic regression a linear classifier?

Since we are using the logistic function to transform a linear combination of the input into a non-linear output, how can logistic regression be considered a linear classifier? Linear regression...

01 January 1970 7,050 2 View