In this folder, the case_age1.xls and case_cholester1.xls are the observations for 27 stroke patients.
the control_age1.xls and control_cholester1.xls are the observations for 1028 non-stroke patients.
quality_control_example_3.m is the program for analyzing the real data. This program is added
comments into it in detail. Other programs are called by the main function: quality_control_example_3.m.
C_n.txt shows the corresponding results of the 27 stroke patients.