
Hi Roshan

see inline for answer







waiting time. Can I do this using any of the models used in R?
/********* i feel this sounds more or less like a queueing model. Try 
searching "M/M/1 queueing model" on internet.
Further, i feel look at poission distribution may also be helpful. It was 
Long Long time back, more than a decade, when i used GPSS software as i 
cannot see anything susbstantial in 
help.search("queue")/help.search("queueingmodel")to model queues. i would 
be of little help in remembering all those, but i would exten help to 
whaever extent i can. *****************/
Particularly "forecast"...Can I used ARIMA or ARMA for this? ...The 
problem
/***********
i doubt but may regularizing the series by either transformations and then 
imputing it may turn irregular series into a time series. but the 
possibilities are bleak. ******/

Particularly "forecast"...Can I used ARIMA or ARMA for this? ...The 
problem
is I don't think I'm dealing with time series because the measurements of
waiting times (at a particular state i.e. job submission) ain't done at
regular intervals. Could anyone please suggest a model for this?

Thanking you,
RS

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