similar to: NetCDF - rolling means and StdDev

hello, I'm working with a 4 dimensional NetCDF file, trying to calculate some summary statistics on a parameter. The dimensions are number of rows and columns, time and days. The attribute in question in this case happens to be a probability of woodstork foraging success. But it could be anything My question is whether the following code is efficient to grab the probability values ? I am

I''ve been banging my head against this wall for several hours, and it hurts now so I''ll stop and ask someone. In one of my forms I had been using a statement to extract the current year for use with some form field calculations. <% currentyear = DateTime.now.year %> And then further down several date_selects like the following, <%= date_select

Given a Date object or simply a year is there an R function to tell me if the it is a leap year or not? I was hoping for something like 'is.leapyear'. I probably can build my own function (year divisible by 4 etc.) but I would rather use an existing function if it is available. Thank you. Kevin

Dear R helper: When I was trying to install the fCalendar package, R report the following error and then my installation failed: * Installing *source* package 'fCalendar' ... ** R ** inst ** preparing package for lazy loading Loading required package: MASS Loading required package: fEcofin Loading required package: fUtilities Loading required package: RUnit RUnit 0.4.17 loaded.

In the dial plan, with GotoIf...is there a way to do a logical negation(NOT)? I want to check if the year is a leap year and the below code is how I would write the check in C. According to the wiki there isn't a logical NOT as a valid expression. From reading the asterisk/docs/README.variables, this seems to be missing. int year = 2005; if ( (year % 4 = 0) && !(year % 100 =

John Putz wrote: > Thanks. > > */ > email: /**/johnputz3655@yahoo.com/* <mailto:johnputz3655@yahoo.com> > */home: 206-632-6522 > cell: 206-910-5229/* > > > ----- Original Message ---- > From: Joe W. Byers <ecjbosu@aol.com> > To: John Putz <johnputz3655@yahoo.com> > Cc: r-sig-finance@stat.math.ethz.ch > Sent: Friday, December 7, 2007

Hello everybody, it looks like the presense of some (do know know which) S4 methods for a given S4 class degrades the performance of xtfrm (used in 'order' in new R-devel) by a factor of millions. This is for classes that ARE derived from numeric directly and thus should be quite trivial to convert to numeric. Consider the following example: setClass("TimeDateBase",

Hi, I am trying to calculate the std dev of returns of YHOO so far i got: getSymbols("YHOO") retYHOO <- Return.calculate(Cl(YHOO)) > sd(retYHOO) YHOO.Close NA but i received an NA....can any assist? tks! -- View this message in context: http://www.nabble.com/Newbie-question-re-stddev%2C-quantmod-and-performanceanalytics-tp25001293p25001293.html Sent from the R help

Hi, Searched for similar errors and nothing came up. Anybody know what this is? When using aggregate stddev, and then trying to print it at END, using printa, I get this error: dtrace: processing aborted: Invalid return value from callback avg works fine. Tried on two recent builds of solaris (build 89 and build 94), on two difference sparc systems. Here''s a sample script:

On Mon, 20 Oct 1997, Dieter Rothacker wrote: > Luke Kenneth Casson Leighton wrote: > > > > Here is the smb.conf of the disappeared samba box: > > ^^^^^^^^^^^ > I do not think THIS computer should become local master !? > (see below) > > > > wins support = no > > > workgroup = WORKGROUP > > >

How do I sum 15 years to my dataset? original dataset dates val 1 2001-01-12 1.2 2 2001-02-12 1.2 3 2001-03-12 1.2 result dates val 1 2016-01-12 1.2 2 2016-02-12 1.2 3 2016-03-12 1.2