[R] Counting number of rain

[David Winsemius]

On Oct 2, 2015, at 2:33 AM, Duncan Murdoch wrote:

> On 01/10/2015 11:29 PM, Rolf Turner wrote:
>> On 02/10/15 15:47, David Winsemius wrote:
>> 
>> <SNIP>
>> 
>>> On Oct 1, 2015, at 6:22 PM, Rolf Turner wrote:
>>>> 
>>>> P.S. I have been unable to find a corresponding vector of the names
>>>> of the days of the week, although I have a very vague recollection
>>>> of the existence of such a vector.  Does it exist, and if so what
>>>> is it called?
>>> 
>>> It's could called up by strptime because it is mapped to a character
>>> vector by the internationalization database:
>>> 
>>>> format( as.Date(1:7)+2, format="%A")
>>> [1] "Sunday"    "Monday"    "Tuesday"   "Wednesday" "Thursday"
>>> "Friday" [7] "Saturday"
>> 
>> <SNIP>
>> 
>> When I try that (copying and pasting your code so that there's no chance 
>> of fumble-fingering) I get:
>> 
>>> Error in as.Date.numeric(1:7) : 'origin' must be supplied
>> 
>> Why do these things always happen to *me*???
> 
> The zoo package replaces as.Date.numeric() with a function that assumes
> an origin of "1970-01-01".  There may be other packages that also make a
> replacement like this.  David appears to have one of them attached, and
> you don't.

Quite right, Duncan. I failed to include the <environment: namespace:zoo> even though it was staring me in the face. My wife says I have an extreme case of "refrigerator blindness" which now seems to be spreading to other areas of my cognitive activities.

Sorry, Rolf.
-- 
David.

> 
> Duncan Murdoch
> 

David Winsemius
Alameda, CA, USA