data_daily_string.txt Lab exercise 1.pdf Lab_1_GARCH_2013.m logL1.m logL2.m mean_variance_multiperiod.m mean_variance_oneperiod.m ngarch.m ngarch_sim.m objfunction.m regression_tool_1.m rows.m VaR_compute.m data_daily.txt STOCKINT.xls data_quarterly.txt data_quarterly_string.txt Exercise Lec 1 Debriefing.pdf