I have a EEG dataset of different level of anesthesia. this dataset content two type of file (.fdt & .set). how i can split this dataset to 40 dataset and then export them as .edf dataset? the reason that i want to do this work is when i exported it to Text file (using data and ICA activity in text file), i saw the time column consists of several sections( 40 part of 10000 millisecond) how i can change this column in EEG lab? how i can split .set file?