//
//Nomal test command
//
//This command is used to test fitting to nomal distribution
//
//Syntax without option
test normal [variables];
//Syntax with option
test nomal [variables]/
option
;
//Option
input=ssss //ssss is input data type. ssss:real real data ssss:hist histgramdata.
plevel=.xx //0.0 < .xx < 1.0 .xx is level of significance. (default=0.01)
rank=nn //nn is num of rank which is used in real data mode.
//(Caation)
//When option is input=hist, variables are consited of rank colomn and freq colomn.
//
//Example 1 generate standard normal distribution and normal test.
//
//Generate standard normal random 100 recoard.
clear;
for(i=1;i<=100;i++) {
rnd=ranstd(10,100);
outrec;
}
//View histgram
plot hist rnd;
//Execute normal test for 100 record which are standard normal distiribution.
test normal rnd;
//
//Eample 2 normal test for propertis of banker
//
//read bankers data.
get bank.csv@;
//Vies historgram of properties.
plot hist salnow age work time;
//Execute normal test for properties.
test normal salnow age work time;
//
//Example 3 Normal test for data which is inported directory as histgram.
//
//Hand set histgram.
hand rank freq/
35 0
40 4
45 19
50 86
55 177
60 105
65 33
70 2
75 0
;
//View data by bar graph.
attr name type/
rank:code
;
plot bar freq by rank;
//Execute normal test for inputed histgram with input opion .
test nomal rank freq/
input:hist
;