Top "Statistics" questions

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Finding Mean Squared Error?

I have produced a linear data set and have used lm() to fit a model to that dataset. I am …

r statistics mse mean-square-error
Are there any Linear Regression Function in SQL Server?

Are there any Linear Regression Function in SQL Server 2005/2008, similar to the the Linear Regression functions in Oracle ?

sql-server-2005 sql-server-2008 statistics linear-regression
Cosmic Rays: what is the probability they will affect a program?

Once again I was in a design review, and encountered the claim that the probability of a particular scenario was "…

statistics physics probability error-detection risk-analysis
What does correlation coefficient actually represent

What does correlation coefficient intuitively mean? If I have a series of X and then a series of Y, and …

math machine-learning statistics weka
Python code for the coin toss issues

I've been writing a program in python that simulates 100 coin tosses and gives the total number of tosses. The problem …

python random statistics coin-flipping
How do I do a F-test in python

How do I do an F-test to check if the variance is equivalent in two vectors in Python? For example …

python statistics
Variance Inflation Factor in Python

I'm trying to calculate the variance inflation factor (VIF) for each column in a simple dataset in python: a b …

python r numpy statistics statsmodels
Confidence intervals for predictions from logistic regression

In R predict.lm computes predictions based on the results from linear regression and also offers to compute confidence intervals …

r statistics glm confidence-interval
Python : easy way to do geometric mean in python?

I wonder is there any easy way to do geometric mean using python but without using python package. If there …

python math statistics geometric-mean
How can you tell if a PL/SQL Package, Procedure, or Function is being used?

How can you tell if a PL/SQL Package, Procedure, or Function is being used? Is there an Oracle table …

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