PHP Classes

Packages of Roman

Recommend this page to a friend!
  All class groups  >  All authors  >  Packages of Roman (2)  >  Mission progress status  >  Reputation  
Picture of Roman
Name: Roman <contact>
Classes: 2
Country: Australia Australia
Age: ???
All time rank: 249433 in Australia Australia
Week rank: 195 Up1 in Australia Australia Up
All time users: 901
Week users: 0
Innovation award
Innovation award
Nominee: 2x
 
  A   B   C   D   E   F   G   H   I   J   K   L   M   N   O   P   Q   R   S   T   U   V   W   X   Y   Z  
  Files folder image Cronbach Alpha  
PHP Programming Innovation award nominee
September 2011
Number 9
Calculate the Cronbach Alpha internal consistency
This class can calculate the Cronbach Alpha internal consistency (reliability) measure.

It takes as parameter an array with sets of values that usually represent the answers given by respondents of a survey in the form of a scale.

This class processes the sets of values and computes the internal consistency using the Cronbach Alpha measure.

  Files folder image Pearson Significance  
PHP Programming Innovation award nominee
January 2010
Number 6

Prize: One book of choice by Apress
Calculate significance for correlation coefficient
This class can be used to calculate significance for Pearson correlation coefficient.

It takes as parameters the size of the sample (N) and the observed value (r) and returns the significance.


  A   B   C   D   E   F   G   H   I   J   K   L   M   N   O   P   Q   R   S   T   U   V   W   X   Y   Z