Re: [R] Converting from Continuous 2D Points to Continuous 2D Vectors

2015-12-18 Thread David L Carlson
Look at the CRAN Task View: "Handling and Analyzing Spatio-Temporal Data," particularly the section on "Moving objects, trajectories." The tools you need are probably already available. https://cran.r-project.org/web/views/SpatioTemporal.html - David L Carlso

Re: [R] Converting from Continuous 2D Points to Continuous 2D Vectors

2015-12-17 Thread Boris Steipe
Ok. And what is the problem now? B. On Dec 17, 2015, at 4:25 PM, Sidoti, Salvatore A. wrote: > Greetings! > > I have a fairly large dataframe (df) with pathing information in the form of > continuous x,y coordinates: > > df$x > df$y > > With these data, I would like to: > 1. Calculate a