HAS-Motion Software Documentation

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===== Create GLM Dialog =====

The create GLM Dialog is where you start the process of an [[Sift:Statistical_Parametric_Mapping:Using_Statistical_Parametric_Mapping_in_Biomechanics|SPM Analysis]] in Sift. The dialog can be found on the [[Sift:Application:toolbar|toolbar]], and on the SPM->Mapping Page, and is available after you have queried data.

{{:Sift_CreateGLMButton.png?900x800}}

===== Create GLM Overview =====

{{:Sift_SPM_CreateGLM.png}}

Before open the dialog, ensure you have selected the data in the [[Sift:Application:Groups_and_Workspaces|Group and Workspace Panel]] which you would like to create a GLM with. There are currently 2 options for how a GLM is set up:

  * **By Group**: Groups by the currently selected groups. All workspaces for each group will be included.
    * **Use Workspace Mean**: If grouping by group, you can choose to use the workspace means instead of the individual traces.
  * **By Workspace**: Groups by the currently selected workspaces. Only the topmost group will be selected if multiple are selected.

==== Dialog Sections ====
The dialog has 5 sections:

  * **GLM Name**: Enter the name for your GLM. Allows you to cycle through and select different GLM's. Must be a distinct name.
  * **Statistical Test**: Select the intended statistical test to be created. This helps Sift to define the GLM.
  * **Group By**: Choose Group or Workspace. Determines how the GLM will be created.
  * **Groups Selected**: Auto-populated with the groupings for the GLM, based on the currently selected groups/workspaces, as well as the group by selection.
  * **Use Workspace Mean***: Uses workspace mean instead of individual traces. Only available when grouping by group.
  * **Cancel**: Cancels the process of creating a GLM.
  * **Create GLM**: Creates a GLM. Makes this the "active" GLM, and populates the [[Sift:Application:Analyse_Page#Statistical_Parametric_Mapping|Visualization]].