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Dataminer

The datamining tool determines and extracts specific defined parameters (single values) from timeseries data, e.g. maximum, minimum or mean values of specific phases or at specific positions (events). Details are described in the Dataminer platform documentation.

Features

For a long time in the Gaitlab Heidelberg the Matlab based tools „GDMiner“ and „Parametersuche“ are used. Last one is part of the Database „HeiDataProVIT“. The Datmining functionality of the „GaitlabHDApp“ is an alternative to these tools, with more flexibility and some advantages:

  • It works for arbitrary filetypes, not only normalized data saved as HD-ASC.
  • The input-file with the paths to the input data is saved as xml.
  • The legacy file type - ASCII tab-delimited format (e.g. created from the Parametersuche of HeiDataProViT) - can be imported. No problems caused by unvisible/nonprintable characters any more.

Advantages in comparison to GDMiner

  • GDMiner can work only with Heidelberg-ASCII average files (gla) and it assumes, that all timeseries are time-normalized and have a prefix „Mean“ or „Std“. The dataminer tool of the Nimue-Platform can work with arbitrary file types: gla, glx, glm, c3d, d3d, …
  • It has its own robust xml-file type to define path lists, no problems with unvisible/nonprintable characters (import function for csv-file is available)
  • More flexibility in definition of phases: E.g. phases can start with „RTO“ (This was needed for Evas project).

Advantages in comparison to Parametersuche

  • Multiple „Parametersuche“ in one step.
  • Calculation of data for both sides in one step.
  • The data processing settings can be saved as an xml-file for future use.
  • Possibility to select multiple gait phases for calculations

Gait indizes

Gait profile score

Gait deviation index

Import of csv-files

Files of the legacy session set file type (csv-file), as it is used by Parametersuche and GDMiner (exported by Excel or HeiDataProVIT) can be imported. It is saved as an xml-file in the subfolder „Data Sets“ in a project.

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