1、mgarch 命令后面是没有 saarch 选项的。
下面是help里面列出的,没有那个选项。所以软件给出 option saarch() not allowed
Title
[TS] mgarch dcc -- Dynamic conditional correlation multivariate GARCH models
Syntax
mgarch dcc eq [eq ... eq] [if] [in] [, options]
where each eq has the form
(depvarlist = [indepvars] [, eqoptions])
options Description
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Model
arch(numlist) ARCH terms for all equations
garch(numlist) GARCH terms for all equations
het(varlist) include varlist in the specification of the conditional variance for all equations
distribution(dist [#]) use dist distribution for errors [may be gaussian (synonym normal) or t; default is
gaussian]
constraints(numlist) apply linear constraints
SE/Robust
vce(vcetype) vcetype may be oim or robust
Reporting
level(#) set confidence level; default is level(95)
nocnsreport do not display constraints
display_options control column formats, row spacing, line width, and display of omitted variables and base and empty cells
Maximization
maximize_options control the maximization process; seldom used
from(matname) initial values for the coefficients; seldom used
coeflegend display legend instead of statistics
------------------------------------------------------------------------------------------------------------------
eqoptions Description
------------------------------------------------------------------------------------------------------------------
Model
noconstant suppress constant term in the mean equation
arch(numlist) ARCH terms
garch(numlist) GARCH terms
het(varlist) include varlist in the specification of the conditional variance
------------------------------------------------------------------------------------------------------------------
You must tsset your data before using mgarch dcc; see [TS] tsset.
indepvars and varlist may contain factor variables; see fvvarlist.
depvars, indepvars, and varlist may contain time-series operators; see tsvarlist.
by, statsby, and rolling are allowed; see prefix.
coeflegend does not appear in the dialog box.
See [TS] mgarch dcc postestimation for features available after estimation.
2、只有arch 命令后面采用 saarch选项。


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