| genes {made4} | R Documentation |
Returns an index of the top n maximum and minimum values in 2 columns of a matrix or data.frame.
genes(dudivar,n=5, axes1=1, axes2=2)
dudivar |
a data frame or matrix with at least two
columns, containing the x,y coordinates. |
axes1 |
the column number for the x-axis~ |
axes2 |
the column number for the y-axis~ |
n |
{n is the number of genes to be extracted}
Genes returns an index of the "top" variables at the ends of the x and y axes. Genes is not normally called by the user but is called by plotgenes()
If you wish to return a table or list of the top genes at
the end of an axis, use the function topgenes.
Thanks to Miss Jess Mar for helping on this function.
Aedin Culhane
See Also as plotgenes