Reading data

Facets reads your data, matches them with your model statements, and reports how much usable data was found.

 

Opening work files

>.<

Table 2. Data Summary Report

Assigning models to Data= "C:\Facets3.83.1\examples\Essays.txt"

>.First active data line is: 05,1,1,11,4

05 (5), 1, 1, 11,   4

 Processed as: 05 (5), 1, 1, 11,   4

............................................ 572 observations input so far (big files)

<

 

>====< is the iteration bar. It is drawn across your screen to show progress through the data

 

Total lines in data file = 1154

Total data lines = 1152

Responses matched to model: ?,?B,?B,?,R9,1 = 1152

 

Check that the responses matched your models in the way you expected.

 

    Total non-blank responses found = 1152

Responses with elements not specified in Labels= are ignored = 0 first at or near line 87

 Responses not matched to any model are ignored = 0

              Number of blank lines = 1

Number of missing-code observations = 0

Number of missing-null observations = 0

Number of lines with R0 or less replications= 0

Number of invalid observations treated as missing = 0

Number of negative observations treated as missing = 0

Number of observations matching invalid models treated as missing = 0

 

If some observations did not match any of your models. You can use Query=Y to check what happened

 

Point-biserial correlations are calculated if "Pt-biserial=Y".

Calculating point-biserial correlations

>=======================================================================<

 

Valid responses used for estimation = 1152

 See Output Table 2 for list of 0 elements not specified in Labels=

 


Help for Facets (64-bit) Rasch Measurement and Rasch Analysis Software: www.winsteps.com Author: John Michael Linacre.
 

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Rasch Books and Publications
Invariant Measurement: Using Rasch Models in the Social, Behavioral, and Health Sciences, 2nd Edn, 2024 George Engelhard, Jr. & Jue Wang Applying the Rasch Model (Winsteps, Facets) 4th Ed., Bond, Yan, Heene Advances in Rasch Analyses in the Human Sciences (Winsteps, Facets) 1st Ed., Boone, Staver Advances in Applications of Rasch Measurement in Science Education, X. Liu & W. J. Boone Rasch Analysis in the Human Sciences (Winsteps) Boone, Staver, Yale
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