Displaying 3 results from an estimated 3 matches for "getpoly".
2005 Dec 05
1
Mass 'identify' on 2d-plot
Hello, dear R-users.
I have 2-d dotplot with two variables: x, y. Dots on this dotplot are
grouped in human-recogniseable areas. These areas are not round-shaped
nor oval-shaped. They are free-form, but still recogniseable by an operator.
What is ability in R to graphically (per mouse) define some area and to
select all the cases felt in it?
'identify' is OK for 5-10 cases, but what
2007 Dec 17
1
polygon class in splancs package
Dear forum,
I would like to use the kernel2d or spkernel2d in the Splancs-package, but
it does not recognize my polygon data.
"Error in kernel2d(as.points(ptsbin), polygonprov, h0 = 2, nx = 100, : " is
the error message.
Invalid poly argument
The data are defined as follows:
polgonprov<-list(x=polyprov$X, y=polyprov$Y) with X and Y coordinates in the
Lambert1972
2002 Jan 25
2
selecting clusters of points
All:
Are there any functions out there for selecting all the
points in a region of a plot. I envision something like the
identify() function except one could circle a cloud of points (and
perhaps a vector would be returned of the same length as the points
plotted indicating logical membership in the circled cloud). Perhaps
someone has done something with the locator() function that would