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October 8, 2007 - Provalis Research releases new version 3.0 of QDA Miner
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May 4, 2006 - Provalis Research releases new version 5.1
of Wordstat.
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May 26, 2005 - The Global Aviation Information Network (GAIN)
announces the availability of a technical report on technology
demonstrations in which Provalis Research's statistical content
analysis and text mining software has been used for the analysis
of airline safety reports.
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Simstat v2.5
Statistical Analysis and Simulation Software |
EASY
FACTOR ANALYSIS v4.0
ANNOUNCEMENT: January 26, 2004 - Easy Factor Analysis is now part of Simstat
2.5. It is no longer sold separately.
EASY FACTOR ANALYSIS v4.0 is an add-on module written by Dr. Darren
Fuerst that allows even computer neophytes to perform two common types
of factor analysis: principal components analysis and image covariance
factor analysis. The program provides several features such as stopping
criteria based on the total number of factors or minimum eigenvalue,
a varimax rotation, the printing of correlation matrix, eigenvalue table,
factor patterns, weights and scores for both rotated and unrotated solutions,
etc. It is also possible to automate factor analysis using SIMSTAT's
command language and use the RECORD SCRIPT function to easily generate
proper commands corresponding to actions undertaken with the interactive
user's interface.
FEATURES
- Image covariance or principal components and principal axis analysis
on up to 2000 variables.
- QType factor analysis
- Number of factors extracted can be set manually or adjusted to a
minimum eigenvalue criteria
- Scree plot of eigenvalues.
- Optional varimax orthogonal rotation of factor loadings.
- Optional printing of descriptive statistics and correlation matrix
for all the variables in the data set.
- Printing of unrotated and/or rotated factor solutions.
- Can compute factor scoring weights for both the rotated and unrotated
solutions.
- Factor scores can be displayed on screen or saved on disk
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