search for: movingaverages

I am looking for some help at removing low-frequency components from a signal, through Moving Average on a sliding window. I understand thiis is a smoothing procedure that I never done in my life before .. sigh. I searched R archives and found "rollmean", "MovingAverages {TTR}", "SymmetricMA". None of the above mantioned functions seems to accept the smoothing polynomial order and the sliding window with as input parameters. Maybe I am missing something. I wonder whether there is some building blocks in R if not even a function which does it all (I...

Dear list, My name is Juan Fernandez-Tajes and I´m trying to use MALDIquant for analysing MS data from ABI 4700 series, I´ve exported a spot set to T2Dextractor in order to convert in mzXML format. I´ve imported this into R with mqReadMzXml function and have followed the suggested flowchart, however when I´m in the step for peak detections I obtained the following error: peaks <-

Hello all, Have some time series data stored in a data.frame, and am plotting it with ggplot2 (which is totally awesome). I have explored the documentation and mailing list archives, and I can't see any way to plot a 'smoother' that is just the K-step moving average. For example, imagine I had a data.frame called 'sleep' with 'date' as the date (from as.Date()) and