Description Usage Arguments Value References Examples
Estimate the Average treatment effect E[Y(1)  Y(0)] from observational data
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X 
the n by p input covariance matrix 
Y 
the n dimensional observed response 
W 
the n dimensional binary vector indicating treatment assignment 
r1 
optional n dimensional vector of an initial estimate of E[Y(1)  X_i] for i = 1, ..., n. The default is NULL 
r0 
optional n dimensional vector of an initial estimate of E[Y(0)  X_i] for i = 1, ..., n. The default is NULL 
kappa 
the weight parameter for quadratic programming. Default is 0.5 
splitting 
the options for splitting. "1" means B = 1 split, "3" means B = 3 splits, "random" means random splits. 
B 
the number of iterations for random splits, the default is 1. Only used when splitting is set to "random". 
... 
additional arguments that can be passed to

tau the estimated average treatment effect
Wang, Y., Shah, R. D. (2020) Debiased inverse propensity score weighting for estimation of average treatment effects with highdimensional confounders https://arxiv.org/abs/2011.08661
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15  ## Not run:
# Estimating average treatment effect with a toy data
# Notice that the external optimisation software \code{MOSEK}
# must be installed separately before running the example code.
# Without \code{MOSEK}, the example code is not executable.
# For how to install \code{MOSEK}, see documentation of \code{\link[Rmosek]{Rmosek}}.
set.seed(1)
n < 100; p < 200
X < scale(matrix(rnorm(n*p), n, p))
W < rbinom(n, 1, 1 / (1 + exp(X[, 1])))
Y < X[,1] + W * X[,2] + rnorm(n)
# Getting an estimate of average treatment effect
(est < dipw.ate(X, Y, W))
## End(Not run)

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