Py_ica_command.md

+````python
+import sys
+import anywave
+
+anywave.init(sys.argv)
+
+# assume the current data file open has ica matrices loaded 
+# we want to reject component 10 and 15 of MEG IC
+cfg = dict()
+cfg['labels'] = ['M_IC10', 'M_IC15']
+cfg['command'] = 'reject'
+
+anywave.ica_command(cfg)  # anywave will mark channels as rejected and rebuild the MEG signals.   
+# this is similar of what the user can do manually by rejecting ICA channels (components)  
+
+
+# if no command is speficied in cfg,  reject will be done by default.   
+# set command to 'undo' to undo previously rejections.    
+````
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