def convert_csv_to_multivariate_timeseries(directory):
files_list = [f for f in os.listdir(directory) if f.lower().endswith('.csv')]
list_multivariate_timeseries = []
for file in files_list:
multivariate_timeseries = TimeSeries.generate_from_file(directory, file)
list_multivariate_timeseries.append(multivariate_timeseries)
return list_multivariate_timeseries
