[R] Operating on RC in a list

[Mohan.Radhakrishnan at cognizant.com]

Hi,

I have a hierarchy of such classes. Subject has a list of measurements. Let assume I have a list of such 'Subject' RC's.

Can I use dplyr to navigate from Subject to the list of measurement RC's and filter and group data ? dplyr should
be able to call the methods on these RC's to operate on the data structure ?

I tried to coerce the list of RC's into a data frame unsuccessfully. But dplyr should be able to work with lists too. Right ?


Subject <- setRefClass("Subject",
fields = list( id = "numeric",
measurement = "Measurement",
location = "Location"),
methods=list(getmeasurement = function()
{
measurement
},
getid = function()
{
id
},
getlocation = function()
{
location
},
summary = function()#Implement other summary methods in appropriate objects as per their responsibilities
{
paste("Subject summary ID [",id,"] Location [",location$summary(),"]")
},show = function(){
cat("Subject summary ID [",id,"] Location [",location$summary(),"]\n")
})
)


Thanks,
Mohan
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