hexMA.loess {hexbin} | R Documentation |
Fit a loess line using the hexagon centers of mass as the x and y coordinates and the cell counts as weights.
hexMA.loess(pMA, span = 0.4, col = "red", n = 200) hexVP.loess(hbin, hvp = NULL, span = 0.4, col = "red", n = 200)
hbin |
an object of class hexbin , see hexbin . |
hvp |
A hexViewport object. |
pMA |
the list returned by plotMAhex . |
span |
the parameter alpha which controls the degree of smoothing. |
col |
line color for the loess fit. |
n |
number of points at which the fit should be evaluated. |
Returns invisibly the object associated with the loess fit.
Nicholas Lewin-Koh
hexVP.abline
, plotMAhex
,
gplot.hexbin
, hexViewport
;
loess
if(require(marray)){ data(swirl) hb <- plotMAhex(swirl[,1], main = "M vs A plot with hexagons", legend=0) hexVP.abline(hb$plot, h=0, col= gray(.6)) hexMA.loess(hb) }