On 20 July 2015 at 11:32, pierluigi de rosa <[email protected]> wrote:
> I simply have a STFDF like I attached at the end of the mail. > > > summary(pioggieST1) > Object of class STFDF > with Dimensions (s, t, attr): (30, 8401, 1) > [[Spatial:]] > Object of class SpatialPointsDataFrame > Coordinates: > min max > coords.x1 2272679 2320496 > coords.x2 4698989 4821088 > Is projected: TRUE > proj4string : > [+proj=tmerc +lat_0=0 +lon_0=15 +k=0.9996 +x_0=2520000 +y_0=0 +ellps=intl > +units=m +no_defs] > Number of points: 30 > Data attributes: > nome > Allerona : 1 > Amelia : 1 > Attigliano : 1 > Avigliano_Umbro : 1 > Bastardo : 1 > Calvi_dell_Umbria: 1 > (Other) :24 > [[Temporal:]] > Index timeIndex > Min. :1991-01-01 Min. : 1 > 1st Qu.:1996-10-01 1st Qu.:2101 > Median :2002-07-02 Median :4201 > Mean :2002-07-02 Mean :4201 > 3rd Qu.:2008-04-01 3rd Qu.:6301 > Max. :2013-12-31 Max. :8401 > [[Data attributes:]] > values > Min. : 0.000 > 1st Qu.: 0.000 > Median : 0.000 > Mean : 1.489 > 3rd Qu.: 0.000 > Max. :273.000 > > In the space slot I have 30 points. > For each point I have a xts element: > For the first point the xts element is: > > summary(pioggieST1[1,]) > Index values timeIndex > Min. :1991-01-01 Min. : 0.000 Min. : 1 > 1st Qu.:1996-10-01 1st Qu.: 0.000 1st Qu.:2101 > Median :2002-07-02 Median : 0.000 Median :4201 > Mean :2002-07-02 Mean : 2.105 Mean :4201 > 3rd Qu.:2008-04-01 3rd Qu.: 0.200 3rd Qu.:6301 > Max. :2013-12-31 Max. :176.800 Max. :8401 > > or > > > head(pioggieST1[1,]) > values timeIndex > 1991-01-01 0 1 > 1991-01-02 0 2 > 1991-01-03 0 3 > 1991-01-04 0 4 > 1991-01-05 0 5 > 1991-01-06 0 6 > > For each day I have to calculate the sum of "values" relative to the day + > the "values" of the day -1 and the day -2 > > How can I do that simply? > > Thanks > Pierluigi > > Dear Dr. De Rosa, Please excuse me, what I meant was whether you may attach a fraction of the array pioggieST1, even a modified one, so we could work on it. Best regards, Jue > 2015-07-20 10:43 GMT+02:00 Jue Lin-Ye <[email protected]>: > >> Dear Dr. De Rosa, >> >> May you attach some data to your e-mail so we could reproduce your case? >> >> Best regards, >> >> -- >> Jue >> > > > > -- > Ing. Pierluigi De Rosa (PhD) > cel: 3497558268 / fax: 075 7823038 > skype: pierluigi.derosa > [[alternative HTML version deleted]] _______________________________________________ R-sig-Geo mailing list [email protected] https://stat.ethz.ch/mailman/listinfo/r-sig-geo
