search for: zowiti

Hi Users, I have daily series of data from 1962 - 2000, with the data for February 29th in leap years excluded, leaving 365 daily values for each year. I wish to convert the daily series to monthly series. How can I do this using the zoo package or any other package? Thanks ZABLONE OWITI GRADUATE STUDENT Nanjing University of Information, Science and Technology College of International

Dear Users, I have a monthly data for a number of years(1960-2007) for a number of stations and i wish to extract sesonal time-series for the months of March-May and October-November for very station. I have read this data with read.table in R with stations as columns and time (months) as rows. My attempt to aggregate with the zoo package using the function as.yearqtr failed since this sums

Dear users, I have several columns of data (each column containing monthly data for a particular year from january - december) . I would wish to combine the columns to get a Single column of continuous data as shown in (b) below. I have read this data as table in R (a) Data example Year 1903 1904 1905 1906 Jan 125.0 30.0 113.0 5.0 Feb 128.0 100.0 70.0 388.0

Dear all, I am plotting daily data from 1950 to 2000 and I wish to have the time in X-axis to indicate years and NOT days (i.e 1950 1951,......,2000 instead of 1,2, 3, ......). How do I set the x-axis to show years instead of days. ZABLONE OWITI GRADUATE STUDENT Nanjing University of Information, Science and Technology College of International Education Add: 219 Ning Liu Rd, Nanjing,

Hi R users, What is the command for adding (or how do we add) country boundaries on r-spatial plots. Thanks ZABLONE OWITI GRADUATE STUDENT Nanjing University of Information, Science and Technology College of International Education Add: 219 Ning Liu Rd, Nanjing, Jiangsu, 21004, P.R. China Website: www.nuist.edu.cn ==================================================== [[alternative

Dear users, I have monthly station data (44) stations data for 45 years which I have read in R using read.table. the data is in the format: Year Month Station1 Station2 ...................................... Station 44 (i.e the column names in the 1st row), I also have the latitude and longitude of the stations in a separate file in R (in the format : Station LAT LON). I wish to

Dear Users, I wish to know at what confidence level is the confidence interval provided in the Spectrum function (plot.spec) plots. The only information provided in the help regarding this is : a confidence interval will be plotted by plot.spec: this is asymmetric, and the width of the centre mark indicates the equivalent bandwidth. Attached is an example plot with the BLUE confidence

Hi Users, I want to fit the maximums of a data series with a cubic spline. How do I go about this in R. I failed to figure out how I can use the mgcv library to do this. Thanks ---------------------------- ZABLONE