Data Mining

DataMining module is searching in data for time intervals when a condition on parameters (defined by user) is valid.

1 : To construct a condition drag the parameter[s] from the Parameter Tree and drop it onto the Data Mining Condition area.

2 : While constructing you may use different components from the Tools For Condition Construction - for example - Constants:

3 : To combine and compare different AMDA parameters which possibly have different sampling times you have to specify the condition Sampling Time Step.

Depending on their original sampling, AMDA parameters will be averaged or interpolated to obtain a condition evaluated at a Sampling Time Step resolution. Before evaluate the expression all the parameters are resampled and after that the expression is calculated.

You may also put Data Gap value. It is expressed in the parameter 'sampling times' and defines gaps threshold. If data is absent for time interval greater than this threshold the interval is treated as 'gap', otherwise the interval is filled with the interpolated data.

Parameter' Sampling Time as well as Global Start - Stop Time Interval are displayed in popup window shown when the mouse is over the parameter name in Parameters tree.

4 : Data Mining could be done either for a single time interval (Start Time and Time Interval should be defined) or for a set of time intervals from one or several Time Tables or Catalogs.

5 : Condition may be saved in your Workspace for next use. Just give the name to a condition (Request Name) and click the Save Request button. Your condition is added to the DataMining tree of the Workspace Explorer, Operations tab.

6 : Double clicking on condition name in the DataMining tree (Workspace Explorer, Operations tab) or selecting DataMining By Request from the context menu opens the DataMining module filled with the condition content.

7 : Data Mining produces two XML tables (Time Table and Gaps Time Table) accessible from the Results window :

8 : Results window may be always opened by selecting Show Result from context menu opened on the right click at the corresponding node of the FinishedJobs / Results, DataMining tree of the Workspace Explorer, Jobs tab.