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我正在尝试通过他们的网络服务平台从 CBR(俄罗斯中央银行 - cbr.ru)检索数据到 R。基本上,我的灵感来自这个示例中使用 R 的 SSOAP 包的代码。

wsdl <- 'http://www.cbr.ru/secinfo/secinfo.asmx?WSDL'
doc  <- xmlInternalTreeParse(wsdl)
def <- processWSDL(doc)
ff  <- genSOAPClientInterface(def = def) 
xmlstr.f <- ff@functions #gives the list of functions that can be accessed 
# just an example of retrieval attempt 
t1 <- new('dateTime',as.POSIXct('2012-10-10')) #creating an object of dateTime class as requested 
xmlstr.f$GCurve(t1) #trying to call SOAP server with GCurve function 

我收到以下错误:

Error in .SOAP(server, .operation@name, parameters = as(parameters, "dateTime"),  : object '.operation' not found 

谁能给我关于这里出了什么问题的建议?

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