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...e to calculate the corresponding standard deviation, ie the 12 values calculated from the january values, february values, etc. What's the best way for such a calculation ? Regards, Yogesh -- Yogesh K. Tiwari (Dr.rer.nat), Scientist, Indian Institute of Tropical Meteorology, Homi Bhabha Road, Pashan, Pune-411008 INDIA Phone: 0091-99 2273 9513 (Cell) : 0091-20-258 93 600 (O) (Ext.250) Fax : 0091-20-258 93 825 -- Yogesh K. Tiwari (Dr.rer.nat), Scientist, Indian Institute of Tropical Meteorology, Homi Bhabha Road, Pashan, Pune-411008 INDIA Phone: 0091-99 2273 9513 (Cell) : 0091-20-258 93 60...

...gt; > > THIRD PROBLEM regriding AOD: > How to regrid 1x1 AOD data on 5x5 grid as O3. > > > Many thanks for yours help. > > Regards, > Yogesh > > -- > Dr. Yogesh K. Tiwari, > Scientist, > Indian Institute of Tropical Meteorology, > Homi Bhabha Road, > Pashan, > Pune-411008 > INDIA > > Phone: 0091-99 2273 9513 (Cell) > : 0091-20-258 93 600 (O) ( Ext.250) > Fax : 0091-20-258 93 825 > -- Dr. Yogesh K. Tiwari, Scientist 'B', Indian Institute of Tropical Meteorology, Homi Bhabha Road, Pashan, Pune-411008 INDIA P...

...hr min sec 1993 02 13 05 52 00 Converted to Decimal date : 1993.3542 How to write a small code in R so I can convert six column date to decimal date Many thanks, Yogesh -- Yogesh K. Tiwari (Dr.rer.nat), Scientist, Indian Institute of Tropical Meteorology, Homi Bhabha Road, Pashan, Pune-411008 INDIA [[alternative HTML version deleted]]

...e to calculate the corresponding standard deviation, ie the 12 values calculated from the january values, february values, etc. What's the best way for such a calculation ? Regards, Yogesh -- Yogesh K. Tiwari (Dr.rer.nat), Scientist, Indian Institute of Tropical Meteorology, Homi Bhabha Road, Pashan, Pune-411008 INDIA Phone: 0091-99 2273 9513 (Cell) : 0091-20-258 93 600 (O) (Ext.250) Fax : 0091-20-258 93 825 [[alternative HTML version deleted]]

...-------------------------- 2000.740788 2000 9 28 3 5 0 -38.00 145.00 2280 366.750 2000.740794 2000 9 28 3 8 0 -38.00 145.00 1830 366.550 2000.740803 2000 9 28 3 13 0 -38.00 145.00 1220 370.550 -- Yogesh K. Tiwari (Dr.rer.nat), Scientist, Indian Institute of Tropical Meteorology, Homi Bhabha Road, Pashan, Pune-411008 INDIA Phone: 0091-99 2273 9513 (Cell) : 0091-20-25904350 (O) Fax : 0091-20-258 93 825 [[alternative HTML version deleted]]

...vert and write it in equivalent date(YYYY.mm.dd.hr.min.sec) in another next six columns. 1979.000000 1979.020833 1979.041667 1979.062500 Is it possible in R ? Kindly help, Regards, Yogesh -- Dr. Yogesh K. Tiwari, Scientist, Indian Institute of Tropical Meteorology, Homi Bhabha Road, Pashan, Pune-411008 INDIA Phone: 0091-99 2273 9513 (Cell) : 0091-20-258 93 600 (O) (Ext.250) Fax : 0091-20-258 93 825 [[alternative HTML version deleted]]

...cdf files in R ? Which packeges do we need to install for this, and what commands are used for reading netcdf files. Thanks, Best Regards, Yogesh Tiwari -- Yogesh K. Tiwari (Dr.rer.nat), Scientist, Centre for Climate Change Research, Indian Institute of Tropical Meteorology, Homi Bhabha Road, Pashan, Pune-411008 INDIA Phone: 0091-99 2273 9513 (Cell) : 0091-20-25904452 (O) Fax : 0091-20-258 93 825 [[alternative HTML version deleted]]

...e axis in "year" "month" "day" "hour" format > > Great Thanks, > > regards, > Yogesh > > > -- Yogesh K. Tiwari (Dr.rer.nat), Scientist, Centre for Climate Change Research, Indian Institute of Tropical Meteorology, Homi Bhabha Road, Pashan, Pune-411008 INDIA Phone: 0091-99 2273 9513 (Cell) : 0091-20-25904452 (O) Fax : 0091-20-258 93 825 [[alternative HTML version deleted]]

Dear R Users, I am using R on windows. how to use 'points' function to plot two curves with errbar I am doing like: x.val <- as.integer(names(co2mean)) errbar(x.val, co2mean, co2mean + co2sd, co2mean - co2sd, xaxt='n', col=1, xlab=NA,ylab=NA)# obs error bar lines(x.val, co2mean, col=1, lwd=2) errbar(x.val, co2tm3.month.mean, co2tm3.month.mean + co2sd.tm3, co2tm3.month.mean -

...--------- ################# 12 columns and 72 rows (latitudexlongitude) THIRD PROBLEM regriding AOD: How to regrid 1x1 AOD data on 5x5 grid as O3. Many thanks for yours help. Regards, Yogesh -- Dr. Yogesh K. Tiwari, Scientist, Indian Institute of Tropical Meteorology, Homi Bhabha Road, Pashan, Pune-411008 INDIA Phone: 0091-99 2273 9513 (Cell) : 0091-20-258 93 600 (O) (Ext.250) Fax : 0091-20-258 93 825 [[alternative HTML version deleted]]

...Here: lat=latitte (x-axis) STotwoKm = Data values (y-axis) Var1 = Variance Kindly help how I can plot error bar on both side of data point, Many thanks, Regards, Yogesh -- Yogesh K. Tiwari (Dr.rer.nat), Scientist, Indian Institute of Tropical Meteorology, Homi Bhabha Road, Pashan, Pune-411008 INDIA Phone: 0091-99 2273 9513 (Cell) : 0091-20-258 93 600 (O) (Ext.250) Fax : 0091-20-258 93 825

...9; is number of observation in particular month QUESTION: I want to know if I am doing right and is it best way of computing clomatology of Root-Mean-Square difference between two data sets. -- Yogesh K. Tiwari (Dr.rer.nat), Scientist, Indian Institute of Tropical Meteorology, Homi Bhabha Road, Pashan, Pune-411008 INDIA Phone: 0091-99 2273 9513 (Cell) : 0091-20-258 93 600 (O) (Ext.250) Fax : 0091-20-258 93 825 [[alternative HTML version deleted]]

...9 28 3 5 0 -38.00 145.00 2280 366.750 2000.740794 2000 9 28 3 8 0 -38.00 145.00 1830 366.550 2000.740803 2000 9 28 3 13 0 -38.00 145.00 1220 370.550 Many great thanks, Best Regards, Yogesh -- Yogesh K. Tiwari (Dr.rer.nat), Scientist, Indian Institute of Tropical Meteorology, Homi Bhabha Road, Pashan, Pune-411008 INDIA Phone: 0091-99 2273 9513 (Cell) : 0091-20-25904350 (O) Fax : 0091-20-258 93 825 [[alternative HTML version deleted]]

...O, I doubt that I am doing something wrong. Kindly help, how to fit correctly, a fourth harmonic function on CO2 which is varying with variable 'time'. Great thanks, Regards, Yogesh -- Yogesh K. Tiwari (Dr.rer.nat), Scientist, Indian Institute of Tropical Meteorology, Homi Bhabha Road, Pashan, Pune-411008 INDIA Phone: 0091-99 2273 9513 (Cell) : 0091-20-258 93 600 (O) (Ext.250) Fax : 0091-20-258 93 825 [[alternative HTML version deleted]]