如题。小弟最近想通过VAR做股指期指之间的关系。得到两个变量是一阶单整的,然后对原序列做协整检验。用了ca.jo函数进行检验,但是检验结果看不太懂。想请教各位大神~~~
R语言代码:
JJ<-ca.jo(data,K=10)
summary(JJ)
R语言结果:
> summary(JJ)
######################
# Johansen-Procedure #
######################
Test type: maximal eigenvalue statistic (lambda max) , with linear trend
Eigenvalues (lambda):
[1] 0.0016455161 0.0007494137
Values of teststatistic and critical values of test:
test 10pct 5pct 1pct
r <= 1 | 4.49 6.50 8.18 11.65
r = 0 | 9.86 12.91 14.90 19.19
Eigenvectors, normalised to first column:
(These are the cointegration relations)
stock.l10 future.l10
stock.l10 1.0000000 1.00000
future.l10 -0.8680425 -94.07313
Weights W:
(This is the loading matrix)
stock.l10 future.l10
stock.d -0.0031366475 2.915980e-06
future.d 0.0002939277 1.040939e-05
想问一下怎么看啊。。。