Tests whether a robust location measure (median, Huber Psi) differs from a null value and reports a 95% confidence interval based on percentile bootstrap.
onesampb(x, est = "onestep", nboot = 2000, nv = 0, alpha = 0.05)
a numeric vector.
robust estimator to be used ("onestep", "mom", or "median").
"onestep"
"mom"
"median"
number of bootstrap samples.
value under H0.
alpha level.
Returns an object of class "onesampb" containing:
"onesampb"
95% confidence interval
robust location sample estimate
p-value
number of effective observations
function call
Wilcox, R. (2017). Introduction to Robust Estimation and Hypothesis Testing (4th ed.). Elsevier.
t1way
# NOT RUN { set.seed(123) x <- rnorm(30) onesampb(x, nboot = 100) ## H0: Psi = 0 set.seed(123) x <- rlnorm(30) onesampb(x, est = "median", nv = 1) ## H0: median = 1 # }
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