Elementary Statistics with R

Non-parametric Methods

September 24, 2009 | rtutor.chiyau

A statistical method is called non-parametric if it makes no assumption on the population distribution or sample size. This is in contrast with most parametric methods in elementary statistics that assume the data is quantitative, the population... [Read more...]

Multiple Linear Regression

September 14, 2009 | rtutor.chiyau

A multiple linear regression (MLR) model that describes a dependent variable y by independent variables x1, x2, ..., xp (p __ 1) is expressed by the equation as follows, where the numbers α and βk (k = 1, 2, ..., p) are the parameter... [Read more...]

Elementary Statistics with R

June 5, 2009 | rtutor.chiyau

Ever wonder how to finish your statistics homework real fast? Or you just want a quick way to verify your tedious calculations in your statistics class assignment. We provide an answer here by solving statistics exercises with R. read more [Read more...]

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