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  Assessment Systems Corporation :: Software :: HCA/CCPROX (DOS)

  HCA/CCPROX (DOS)
HCA/CCPROX(DOS) - Hierarchical Cluster Analysis
(DOS version for dichotomously or polytomously scored data; see DIMPACK for a Windows version for use with dichotomously scored data.)

HCA/CCPROX performs a latent multidimensionality-sensitive hierarchical cluster analysis on either dichotomous or polytomous scored items. This nonparametric procedure is able to quickly cluster the items into progressively larger and larger relatively dimensionally homogeneous groups. It allows the user to examine the test’s dimensionality at a variety of agglomoration levels, ranging from which pairs of items are most closely dimensionally related, to which two item clusters best dimensionally summarize the entire test. If the items of a test exist in approximately dimensionally homogeneous item clusters, then there should exist a level in the hierarchy at which the clusters found by HCA/CCPROX will maximally agree with this approximate simple structure. Even if approximate simple structure does not hold, HCA/CCPROX will tend to find dimensionally disparate clusters, and hence its uses are not limited to tests demonstrating approximate simple structure. HCA/CCPROX is useful in tandem with a DIMTEST assessment of dimensionality, because it can test hypotheses concerning HCA/CCPROX selected clusters.

System Requirements

This software is a DOS based program, which will run in the Windows environment, unless specific exceptions are noted. If you experience difficulty opening this software, please refer to the following support page on the Microsoft website:

Microsoft Support Article ID# 324767 - "Error message when you install or start an MS-DOS or 16-bit Windows-based program"

If you are unable to get this software to run on your machine, or if you have questions before purchasing the program, please contact our technical support department.

Order Options and Details
 

HCA/CCPROX - Academic (DOS) 125.00 
Multiple License Discount Schedule:
No. of Licenses: 
Price: 
  1 
125.00
  2 
118.75
  3 
112.50
  4 
100.00
  5 - 9 
87.50
  10+ 
68.75
Quantity:
Add to cart

HCA/CCPROX - Non-Academic (DOS) 250.00 
Multiple License Discount Schedule:
No. of Licenses: 
Price: 
  1 
250.00
  2 
237.50
  3 
225.00
  4 
200.00
  5 - 9 
175.00
  10+ 
137.50
Quantity:
Add to cart

HCA/CCPROX - Student (DOS) 70.00 
Quantity:
Add to cart

Dichotomous/Polytomous Software Package

This package contains: DIMPACK (Windows) + POLY-DIMTEST (DOS) + HCA/CCPROX (DOS)

Dichotomous/Polytomous Software Package - Academic 537.50 
Multiple License Discount Schedule:
No. of Licenses: 
Price: 
  1 
537.50
  2 
510.63
  3 
483.75
  4 
430.00
  5 - 9 
376.25
  10+ 
295.63
Quantity:
Add to cart

Dichotomous/Polytomous Software Package - Non-Academic 1075.00 
Multiple License Discount Schedule:
No. of Licenses: 
Price: 
  1 
1075.00
  2 
1021.25
  3 
967.50
  4 
860.00
  5 - 9 
752.50
  10+ 
591.25
Quantity:
Add to cart

Dichotomous/Polytomous Software Package - Student 275.00 
Quantity:
Add to cart

 

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