Re: [R] how to subset based on other row values and multiplicity

Thanks guys - amazingly prompt solutions from the R community as always. Yes, the c-y value reverts to just the first date event - the spirit of this is that I am trying to identify and confirm a list of diagnoses that a patient has coded in government administrative data. Once a diagnosis is made

[R] how to subset based on other row values and multiplicity

Hi R experts, I have a dataset as sampled below. Values are only regarded as Œconfirmed¹ in an individual (Œid¹) if they occur more than once at least 30 days apart. id date value a2000-01-01 x a2000-03-01 x b2000-11-11 w c2000-11-11 y c2000-10-01 y c2000-09-10 y c

[R] extract data features from subsets

I have a large dataset similar to this: ID timeresult A 1 5 A 2 2 A 3 1 A 4 1 A 5 1 A 6 2 A 7 3 A 8 4 B 1 3 B 2 2 B 3 4 B 4 6 B 5 8

[R] ggplot question

I am trying to do something simple with ggplot. I wish to draw a density plot split by group, and fill each group with a different colour (and each with an alpha =0.25). I have tried a number of variations of the following, but cannot find a way to define the colour of the fill, its transparency an