How to Prepare Data for BESA Statistics - Revision history

Robert at 08:06, 23 September 2024

2024-09-23T08:06:16Z

Robert at 08:23, 5 May 2021

2021-05-05T08:23:31Z

Robert at 07:51, 5 May 2021

2021-05-05T07:51:58Z

Robert at 07:43, 5 May 2021

2021-05-05T07:43:13Z

Robert at 11:06, 2 February 2021

2021-02-02T11:06:58Z

Jaehyun: /* Preparing TFC data */

2018-05-09T09:54:50Z

‎Preparing TFC data

Jaehyun: /* Data types accepted by BESA Statistics */

2018-05-09T09:38:45Z

‎Data types accepted by BESA Statistics

Jaehyun: /* Data types accepted by BESA Statistics */

2018-03-29T11:35:29Z

‎Data types accepted by BESA Statistics

Jaehyun: /* Channel file */

2017-11-16T13:31:17Z

‎Channel file

Jaehyun: /* Preparing SWF data */

2017-07-27T07:42:14Z

‎Preparing SWF data

@@ Line 24: / Line 24: @@
 # elp file - one file for the whole experiment
-The ERP/ERF files are exported from BESA Research as ASCII vectorized data (*.avr format). You can do this in the following way:
+The ERP/ERF files are exported from BESA Research as [[ASCII File Format]] (*.avr format). You can do this in the following way:
 Using the batch mode:
@@ Line 112: / Line 112: @@
-'''Note 1''': If your montage is in source space and regional sources are used, then you have the option to use all orientations in the time-frequency analysis. If you do this, you have to change the "*.bsa" file such that you get one line for each orientation in the "*.bsa" file. This can be achieved by:
+'''Notes''':
 * Loading the solution into the Source Analysis Module.
@@ Line 119: / Line 120: @@
 * Then save the solution under a different name, and use this solution file as the channel file.
-'''Note 2''': If Coherence data are analyzed, please be aware that the export contains one less channel than the montage file. The channel that serves as the reference channel for the coherence is not exported. You will need to remove this channel from the elp file or bsa file by editing the file in a text editor and deleting the respective line.
+Also see [[Working With Additional Files]] for more information on the channel definition file conventions and formats.
-−
 == Preparing Connectivity data ==

← Older revision		Revision as of 08:23, 5 May 2021
Line 122:		Line 122:
	'''Note 2''': If Coherence data are analyzed, please be aware that the export contains one less channel than the montage file. The channel that serves as the reference channel for the coherence is not exported. You will need to remove this channel from the elp file or bsa file by editing the file in a text editor and deleting the respective line.		'''Note 2''': If Coherence data are analyzed, please be aware that the export contains one less channel than the montage file. The channel that serves as the reference channel for the coherence is not exported. You will need to remove this channel from the elp file or bsa file by editing the file in a text editor and deleting the respective line.

		+	== Preparing Connectivity data ==
		+
		+	Connectivity analysis results from BESA Connectivity can also be read directly in BESA Statistics. For further information on how to export or prepare connectivity data for BESA Statistics go to [[How_to_Convert_BESA_Connectivity_results_for_BESA_Statistics\|How to Convert BESA Connectivity results for BESA Statistics]].

	[[Category:Statistics]] [[Category:Data Import/Export]]		[[Category:Statistics]] [[Category:Data Import/Export]]

@@ Line 1: / Line 1: @@
 {{BESAInfobox
 |title = Module information
-|module = BESA Research Basic or higher, BESA Statistics
+|module = BESA Research Basic or higher<br/>BESA Statistics
-|version = 6.0 or higher (BR), 1.0 or higher (BS)
+|version = BESA Research 6.0 or higher<br/>BESA Statistics 1.0 or higher
 }}

@@ Line 1: / Line 1: @@
 {{BESAInfobox
 |title = Module information
-|module = BESA Research Basic or higher,
+|module = BESA Research Basic or higher, BESA Statistics
 BESA Statistics
 |version = 6.0 or higher (BR), 1.0 or higher (BS)
 }}

← Older revision		Revision as of 11:06, 2 February 2021
Line 124:		Line 124:


−	[[Category:Statistics]]	+	[[Category:Statistics]] [[Category:Data Import/Export]]

@@ Line 82: / Line 82: @@
 BESA Statistics needs the following data:
-# tfc files - one for each subject and each condition
+# Time-frequency analysis or coherence results - one for each subject and each condition
-# A file describing the channel configuration:
+#* '''*.tfc''' files
-* If your montage is in sensor space:
+# A file describing the channel configuration - one file for the whole experiment
- elp file - one file for the whole experiment
+#* '''*.elp''' file: if your montage is in '''sensor space'''
-*If your montage is in source space:
+#* '''*.bsa''' file: if your montage is in '''source space'''
- bsa file - one file for the whole experiment
-The tfc files are exported in the following way:
+=== Time-frequency file (*.tfc) ===
-Using the batch mode:
+The '''tfc''' files are exported in the following way:
-* Use the command "Save" from the section ''Time-Frequency Analysis''. In the options for the batch command, choose "ASCII data file".
-By hand:
+* Using the batch mode:
-* In the Time-Frequency window, select "File &rarr; Export to ASCII file...".
+** Use the command "Save" from the section ''Time-Frequency Analysis''. In the options for the batch command, choose "ASCII data file".
 Repeat this step for all subjects and conditions.
-=== Channel file ===
+=== Channel file (*.elp or *.bas) ===
 For one of the conditions, a channel file is required.
@@ Line 112: / Line 113: @@
 '''Note 1''': If your montage is in source space and regional sources are used, then you have the option to use all orientations in the time-frequency analysis. If you do this, you have to change the "*.bsa" file such that you get one line for each orientation in the "*.bsa" file. This can be achieved by:
 * Loading the solution into the Source Analysis Module.
 * Orienting each regional source by selecting it and pressing the key 'O' on the keyboard.
@@ Line 118: / Line 120: @@
 * Then save the solution under a different name, and use this solution file as the channel file.
-'''Note 2''': If Coherence data are analyzed: Please be aware that the export contains one less channel than the montage file (the channel that serves as the reference channel for the coherence is not exported). You will need to remove this channel from the elp file or bsa file (by editing the file in a text editor and deleting the respective line).
 [[Category:Statistics]]

← Older revision		Revision as of 09:38, 9 May 2018
Line 15:		Line 15:

	[[File:Data types BESA Statistics 02.png\|frameless\|600px]]		[[File:Data types BESA Statistics 02.png\|frameless\|600px]]
		+
		+	* ERP: event-related potential
		+	* ERF: event-related field
		+	* SWF: source waveforms

	== Preparing ERP/ERF data ==		== Preparing ERP/ERF data ==

@@ Line 14: / Line 14: @@
 The following graph shows the data types that are accepted.
-[[File:Data types BESA Statistics.png|frameless|600px]]
+[[File:Data types BESA Statistics 02.png|frameless|600px]]
 == Preparing ERP/ERF data ==

@@ Line 96: / Line 96: @@
 === Channel file ===
 For one of the conditions, a channel file is required.
 * If your montage is in sensor space:
-An elp file is required once for all subjects / conditions, and placed into one of the data folders for BESA Statistics. It can be exported by using the menu "File &rarr; Head Surface Points and Sensors &rarr; Save Electrode File For Current Montage". Then browse to the folder you saved to, and find the "*.elp" file.
+** An '''elp''' file is required once for all subjects / conditions, and placed into one of the data folders for BESA Statistics. It can be exported by using the menu "File &rarr; Head Surface Points and Sensors &rarr; Save Electrode File For Current Montage". Then browse to the folder you saved to, and find the "*.elp" file.
 * If your montage is in source space:
-A bsa file is required once for all subjects / conditions, and placed into one of the data folders for BESA Statistics. It can be exported from the Source Analysis window. Open the solution that was used to generate the Source Montage. Then select menu entry "File &rarr; Save Solution As". In the dialog that appears, choose the type "BESA Solution – Unit Sphere" - see figure.
+** A '''bsa''' file is required once for all subjects / conditions, and placed into one of the data folders for BESA Statistics. It can be exported from the Source Analysis window. Open the solution that was used to generate the Source Montage. Then select menu entry "File &rarr; Save Solution As". In the dialog that appears, choose the type "BESA Solution – Unit Sphere" - see figure.
-'''Note''': If your montage is in source space and regional sources are used, then you have the option to use all orientations in the time-frequency analysis. If you do this, you have to change the "*.bsa" file such that you get one line for each orientation in the "*.bsa" file. This can be achieved by:
+'''Note 1''': If your montage is in source space and regional sources are used, then you have the option to use all orientations in the time-frequency analysis. If you do this, you have to change the "*.bsa" file such that you get one line for each orientation in the "*.bsa" file. This can be achieved by:
 * Loading the solution into the Source Analysis Module.
 * Orienting each regional source by selecting it and pressing the key 'O' on the keyboard.

@@ Line 45: / Line 45: @@
 # bsa file - one file for the whole experiment
 The SWF files are exported in the following way:
-Using the batch mode:
+'''Using the batch mode''':
 * Use the command "Save Source Waveforms"
 * For one of the conditions: Use the command "Save Solution" to save the locations of the sources. Use the ''Unit Sphere'' setting as shown in the figure at the right.
-By hand:
+[[File:Batch_save_solution_dlg.png|300px]]
-For each source waveform solution: In the Source analysis window, select menu entry "File &rarr; Save Source Waveforms As".
+'''By hand''':
-For one of the conditions: Select menu entry "File &rarr; Save Solution As". In the dialog that appears, choose the type "BESA Solution – Unit Sphere" - see figure.
+[[File:Unit sphere.png|300px]]
 == Preparing Image data ==