Rescale genetic maps
Rescale a genetic map by multiplying all positions by a constant
rescalemap(object, scale=1e-6)
object |
An object of class |
scale |
Scale factor by which all positions will be multiplied. |
This function is included particularly for the case that map positions
in a cross object were provided in basepairs and one wishes to quickly
convert them to Mbp or some other approximation of cM distances. (In
the mouse, 1 cM is approximation 2 Mbp, so one might use
scale=5e-7 in this function.)
If the input is a map object, a map object is returned; if
the input is a cross object, a cross object is returned.
In either case, the positions of markers are simply multiplied by
scale.
Karl W Broman, broman@wisc.edu
data(hyper) rescaled <- rescalemap(hyper, scale=2) plotMap(hyper, rescaled)
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