This post explains how to determine the number of observations in a SAS dataset. Most of the times we need to check whether a SAS dataset i...

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## How to Integrate R with PHP

This tutorial explains how to integrate R with PHP. Online reporting tools have gained popularity in recent years. There is a growing de...

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## When and why to standardize a variable

This tutorial explains when, why and how to standardize a variable in statistical modeling. Variable Standardization is one of the most i...

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## Facebook Data Mining using R

In this tutorial, we will see how to extract and analyze facebook data using R. Facebook has crossed more than 1 billion active users. Fac...

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## Partial and Semipartial Correlation

Partial correlation measures linear relationship between two variables, while controlling the effect of one or more variable. In this tuto...

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## R : If Else and Nested If Else

If Else and Nested If Else in R The If Else statements are important part of R programming. In this tutorial, we will see various ways to...

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