ACS: Adaptive Cluster Sampling

## quiets concerns of R CMD check re: the .'s that appear in pipelines
if(getRversion() >= "2.15.1") {
	utils::globalVariables(c(
		".",
		"CV_tempvar",
		"MSE",
		"MSESampleSize",
		"MeanObsMeans",
		"Mean_tempvar",
		"NetworkID",
		"Obs_MeanObsMeans",
		"Obs_True2",
		"RB",
		"RB_n",
		"Total_tempvar",
		"Var",
		"VarMeanObsMinusTrue2",
		"Var_tempvar",
		"m",
		"m_var",
		"mean_RB_true_mean",
		"nsamples",
		"population",
		"sample_size",
		"var_RB",
		"var_RB_n",
		"variable",
		"variables",
		"x",
		"y"
	))
}