WordStat 5.1 New Features
For a more detailed description of all these new features, download the WordStat 5.1 Addendum.
DICTIONARIES PAGE
- New pre-processing module for 4-gram and 5-gram transformations.
- Ability to search the dictionary for specific strings.
- A Show Warning option allows one to obtain a warning dialog box showing compatibility problems of dictionaries (illegal characters, words in both the categorization and exclusion list, phrases starting with an excluded word, etc.).
- Improved dialog box for entering and editing words, phrases and categories (multiple-line edit box).
FREQUENCIES PAGE
- Bar charts and pie charts can now be used to display the frequency distribution of items.
- Ability to copy the frequency table or part of it to the clipboard.
- Search dialog box to quickly find items in large frequency tables.
- Ability to include a column (or variable) containing the total number of words in the document when exporting data.
CROSSTAB PAGE
- Ability to copy a crosstab table or part of it to the clipboard.
- Search dialog box to quickly find items in large frequency tables.
KEYWORD-IN-CONTEXT PAGE
- The KWIC list now supports the display of rules.
FEATURE EXTRACTION PAGE
- Ability to compare frequency or case occurrence between classes of categorical variables.
- Identification of overlaps between extracted phrases.
- Ability to filter table to display phrases containing specific strings or those characteristic of a class of categorical variable.
- The TFxIDF statistic has been added to the table of extracted phrases.
- Ability to select phrases meeting a minimum number of cases criterion.
- Speed optimization of phrase extraction routine (about 2x faster).
- Memory optimization allows phrase extraction to be applied on larger document collections.
CORRESPONDENCE ANALYSIS
- Random noises may be added to point locations in correspondence plots in order to differentiate items plotted on top of each other.
AUTOMATIC DOCUMENT CATEGORIZATION
- The feature selection in classification can now be performed on frequencies and percentages (not just case occurrences).
- It is now possible to classify documents stored in another Simstat or QDA Miner data file.
OTHERS
- The document conversion wizard may now be used to classify documents stored in another Simstat or QDA Miner data file.
New features in version 5.0 can be viewed here.