Articles by Freakonometrics

Generating a non-homogeneous Poisson process

December 21, 2012 | Freakonometrics

Consider a Poisson process , with non-homogeneous intensity . Here, we consider a deterministic function, not a stochastic intensity. Define the cumulated intensity in the sense that the number of events that occurred between time  and  is a random variable that is Poisson distributed with parameter  . For example, consider here a cyclical ... [Read more...]

Save R objects, and other stuff

November 29, 2012 | Freakonometrics

Yesterday, Christopher asked me how to store an R object, in order to save some time, when working on the project. First, download the csv file for searches related to some keyword, via, for instance “sunglasses“. Recall that csv files store tabular data (numbers and ... [Read more...]

Never miss an update!
Subscribe to R-bloggers to receive
e-mails with the latest R posts.
(You will not see this message again.)

Click here to close (This popup will not appear again)