source("garchM.R")
sp5=scan(file='sp500.dat') # Load data
#Read 792 items
garchM(sp5*100)

[1] 2399.822
  0:     2380.0229: 0.422452 0.00561297 0.806149 0.121976 0.854361
  3:     2379.9525: 0.427596 0.00652832 0.806107 0.121466 0.855756
  6:     2378.4838: 0.606807 0.0375055 0.801889 0.126193 0.846833
  9:     2377.9587: 0.673997 0.00166937 0.798191 0.125517 0.851915
12:     2377.8474: 0.692209 0.0444464 0.802574 0.122278 0.854141
15:     2377.7922: 0.742796 0.0480959 0.812187 0.122530 0.853507
Maximized log-likehood:  2377.792

Coefficient(s):
       Estimate  Std. Error  t value   Pr(>|t|)   
mu    0.7427956   0.1540336  4.82229 1.4192e-06 ***
gamma 0.0480959   0.1408765  0.34140  0.7327991   
omega 0.8121873   0.2858128  2.84168  0.0044877 **
alpha 0.1225297   0.0220596  5.55449 2.7843e-08 ***
beta  0.8535072   0.0219079 38.95885 < 2.22e-16 ***
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

感謝><大概知道自己錯在哪裡
想請問SP500檔案的型式是否依定要是矩陣呢?主要是想問檔案的型式~
如果我的檔案內容是
0.00323
-0.32312
0.23232
0.5343
該怎麼改呢?

save your data as "mydata.txt"

source("garchM.R")
data=scan(file='mydata.txt') # Load data
garchM(data*100)