Oriana Data Handling

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  • Built-in spreadsheet-like data editor; supports cut and paste between applications.
  • Circular data types:
    • Angles (unidirectional and bidirectional [axial])
    • Time of day
    • Compass direction
    • Day of week
    • Month of year
    • Week of year
    • Day of year
    • Proportional and percentage (like Angles, but scaled 0-1 or 0-100 rather than 0-360)
    • Lunar cycle
  • Non-circular data types:
    • Date
    • Linear numerical
    • Label
    • Subgroups
  • Flexible data handling; sets of data can be entered as separate columns (the old Oriana ver. 1 method) or can be entered pairwise with other data (linear, dates, labels, other circular data).
  • With the paired method a file can also have one or more grouping variables added to allow for analysis of subgroups of data. Subgrouping can also be performed on existing data (such as the date, summarized in different ways).
  • Frequency data can be entered either directly into the spreadsheet as a frequency table or through a special frequency editing mode that expands the frequencies into a single column of raw data.
  • Data can be filtered, restricting analyses and graphs to just cases that meet a certain criterion (e.g. Angle > 90 or Month = June).
  • Circular data can be entered as x/y coordinates defining the beginning and ending point of a vector. They can then be converted to vectors (angle and length) for analysis.
  • Variables can be automatically filled with identical, incrementing or random (uniform or von Mises) data.
  • An optional file creation wizard aids in the process of setting up new data files.
  • Dates can be summarized into day of week, month of year, week of year or day of year.
  • Data transformation:
    • Data entered or imported in radians can be converted to degrees for analysis.
    • Linear data can be standardized and log or square root transformed.
  • A Find and Replace facility lets you search for particular data points and make global changes.
  • Data can be sorted.
  • Grouped circular data (data recorded approximately to the nearest interval, such as every 20° or every hour, rather than exactly) are automatically detected and flagged (with user confirmation) so that statistical analyses are adjusted accordingly, where relevant.
  • Missing data capability with pairwise deletion where required.
  • Several Oriana data files can be merged into a single file.
  • Import and export from/to Excel (both .XLS and .XLSX), Lotus 123, Quattro, dBase, Paradox, ASCII text.
  • Number of cases and variables limited only by available memory and disk space.
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