Description Usage Arguments Value Author(s)
The inverse kernel width used in Gaussian kernel
1  | Sig_est(X,A)
 | 
X | 
 n*p input matrix.  | 
A | 
 a vector of n entries coded 1 and -1 for the treatment assignments.  | 
It returns estimated bandwidth parameter sigma for rbf kernel when it is not provided by the user
sigma | 
 the estimated bandwidth parameter.  | 
MingyangLiu <liux3941@umn.edu>
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