[R] problem in reading TOMS observed ASCII data file

Hello R Users, I have two data sets i) TOMS aerosol optical depth(AOD) and ii) TOMS ozone(O3). AOD data is on 1x1 grid and O3 data is on 5x5 grid. First I want to read AOD and O3 as it is and then I want to regrid AOD on 5x5 grid as O3. Reading is first problem. FIRST PROBLEM READING AOD:

[R] need help in reading TOMS observed ASCII data file

Hello R Users, I am new to R. I have two data sets i) TOMS aerosol optical depth(AOD) and ii) TOMS ozone(O3). AOD data is on 1x1 grid and O3 data is on 5x5 grid. First I want to read AOD and O3 as it is and then I want to regrid AOD on 5x5 grid as O3. Reading is first problem. FIRST

[R] how to convert decimal date to its equivalent date format(YYYY.mm.dd.hr.min.sec)

Hello R Users, How to convert decimal date to date as .mm.dd.hr.min.sec For example, I have decimal date in one column , and want to convert and write it in equivalent date(.mm.dd.hr.min.sec) in another next six columns. 1979.00 1979.020833 1979.041667 1979.062500 Is it

[R] how to sub-sample a variable on another file coordinates

Hello 'R' Users, I have a monthly mean CO2 necdf data file defined on 1x1 lat by lon coordinate. I want to sub-sample this variable CO2 on the coordinates of another ASCII data file. The coordinates of another ASCII data file are as: -24.01 152.06 -18.58 150.19 -13.46 148.35 -8.29 147.03

[R] how to compute cross correlation

Hello R Users, How to compute cross correlation between two time series. Data is in ASCII format. I am using R on windows. Many thanks, Regards, Yogesh [[alternative HTML version deleted]] __ R-help@stat.math.ethz.ch mailing list

[R] how to do interpolation

Hello R Users, How to make a variable equidistance with time i.e. how to interpolate a variable if it is not sampled at equal time interval. Many thanks, Regards, Yogesh [[alternative HTML version deleted]] __ R-help@stat.math.ethz.ch

[R] interpolation

Hello R Users, I am new to R and I have simple problem for R users. I have CO2 observations defined on time axis(yr,mo,day,hr,min,sec). (DATA ATTACHED HERE) First I want to convert time axis as one axis as 'hour' on regular interval as 1 hour. Say 00 hrs to 24hrs(jan1), 25hrs to 48hrs(jan2) and