Hi, I would like to make a contour plot with the data below, x-axis= Day (increasing order, day number is out of 365 days of a year), y-axis= Depth (varies), and z=pH. I tried to use filled.contour function, but not sure the proper way to ordinate my z results into a matrix with different x and y length. After that, if I attempted to plot the data, the x and y values are not in ascending order...so a filled contour plot cannot be made. Any help is appreciated! Thanks! Leo Day Month Depth pH 23 Jan 0 4.9 23 Jan 3 4.93 23 Jan 7 5.05 52 Feb 0 4.93 52 Feb 3 4.92 52 Feb 7 5.54 86 Mar 0 4.93 86 Mar 3 5.09 86 Mar 7 5.32 115 Apr 0 4.92 115 Apr 3 4.88 115 Apr 7 5.385 142 May 0 4.99 142 May 2 4.805 142 May 5 5.31 142 May 7 5.41 169 Jun 0 4.935 169 Jun 2 4.66 169 Jun 3 4.96 169 Jun 7 5.55 198 Jul 0 5.19 198 Jul 3 5.1 198 Jul 5 5.59 198 Jul 7 5.8 225 Aug 0 5.05 225 Aug 2 4.88 225 Aug 5 5.31 225 Aug 7 5.53 225 Sep 0 4.78 225 Sep 2 4.76 225 Sep 5 5.22 225 Sep 6 5.4 282 Oct 0 4.8 282 Oct 3 4.91 282 Oct 5 5.185 282 Oct 6 5.32 319 Nov 0 5.06 319 Nov 3 5.05 319 Nov 7 5.11 -- View this message in context: http://r.789695.n4.nabble.com/RE-Contour-plot-tp4433128p4433128.html Sent from the R help mailing list archive at Nabble.com.
Hi, I would like to make a contour plot using R with the following information (data at the end): x-axis= arranged according to day (from 1 to 365, labels= use months; up to 365 days in one year), y-axis= depth (labels from 0 at the top to 7 at the bottom; this is a water depth profile), and z-axis= pH. So, this would be a pH contour plot of different dates throughout a year, with pH measured at different depths (0 meter to 7 meters). I tried to use various contour plot packages, but always have trouble with y axis data that are not arranged in ascending order thus failed to make a matrix for data in the z-axis (pH). So, I used akima to make a matrix (data.interp<-interp(x,y,z,duplicate="mean")) but the results is a square matrix- Not sure if the data is correct. So, any help/suggestion would be great! An example image that I would like to make is here: http://neuer.lab.asu.edu/images/10_data/roosevelt_temp.JPG Thanks so much! Leo Data: Day Month Depth pH 23 Jan 0 4.9 23 Jan 3 4.93 23 Jan 7 5.05 52 Feb 0 4.93 52 Feb 3 4.92 52 Feb 7 5.54 86 Mar 0 4.93 86 Mar 3 5.09 86 Mar 7 5.32 115 Apr 0 4.92 115 Apr 3 4.88 115 Apr 7 5.385 142 May 0 4.99 142 May 2 4.805 142 May 5 5.31 142 May 7 5.41 169 Jun 0 4.935 169 Jun 2 4.66 169 Jun 3 4.96 169 Jun 7 5.55 198 Jul 0 5.19 198 Jul 3 5.1 198 Jul 5 5.59 198 Jul 7 5.8 225 Aug 0 5.05 225 Aug 2 4.88 225 Aug 5 5.31 225 Aug 7 5.53 225 Sep 0 4.78 225 Sep 2 4.76 225 Sep 5 5.22 225 Sep 6 5.4 282 Oct 0 4.8 282 Oct 3 4.91 282 Oct 5 5.185 282 Oct 6 5.32 319 Nov 0 5.06 319 Nov 3 5.05 319 Nov 7 5.11 [[alternative HTML version deleted]]
Hi, I would like to make a contour plot using R with the following information (data at the end): x-axis= arranged according to day (from 1 to 365, labels= use months; up to 365 days in one year), y-axis= depth (labels from 0 at the top to 7 at the bottom; this is a water depth profile), and z-axis= pH. So, this would be a pH contour plot of different dates throughout a year, with pH measured at different depths (0 meter to 7 meters). I tried to use various contour plot packages, but always have trouble with y axis data that are not arranged in ascending order thus failed to make a matrix for data in the z-axis (pH). So, I used akima to make a matrix (data.interp<-interp(x,y,z,duplicate="mean")) but the results is a square matrix- Not sure if the data is correct. So, any help/suggestion would be great! An example image that I would like to make is here: http://neuer.lab.asu.edu/images/10_data/roosevelt_temp.JPG Thanks so much! Leo Data: Day Month Depth pH 23 Jan 0 4.9 23 Jan 3 4.93 23 Jan 7 5.05 52 Feb 0 4.93 52 Feb 3 4.92 52 Feb 7 5.54 86 Mar 0 4.93 86 Mar 3 5.09 86 Mar 7 5.32 115 Apr 0 4.92 115 Apr 3 4.88 115 Apr 7 5.385 142 May 0 4.99 142 May 2 4.805 142 May 5 5.31 142 May 7 5.41 169 Jun 0 4.935 169 Jun 2 4.66 169 Jun 3 4.96 169 Jun 7 5.55 198 Jul 0 5.19 198 Jul 3 5.1 198 Jul 5 5.59 198 Jul 7 5.8 225 Aug 0 5.05 225 Aug 2 4.88 225 Aug 5 5.31 225 Aug 7 5.53 225 Sep 0 4.78 225 Sep 2 4.76 225 Sep 5 5.22 225 Sep 6 5.4 282 Oct 0 4.8 282 Oct 3 4.91 282 Oct 5 5.185 282 Oct 6 5.32 319 Nov 0 5.06 319 Nov 3 5.05 319 Nov 7 5.11 [[alternative HTML version deleted]]