confidence | R Documentation |
Function to construct a confidence interval around an effect size or mean effect size.
confidence( mean, se = NULL, df = NULL, conf_level = 0.95, conf_method = c("t", "norm"), ... )
mean |
Mean effect size (if used in a meta-analysis) or observed effect size (if used on individual statistics). |
se |
Standard error of the statistic. |
df |
Degrees of freedom of the statistic (necessary if using the t distribution). |
conf_level |
Confidence level that defines the width of the confidence interval (default = .95). |
conf_method |
Distribution to be used to compute the width of confidence intervals. Available options are "t" for t distribution or "norm" for normal distribution. |
... |
Additional arguments |
CI = mean_es +/- quantile * SE_es
A matrix of confidence intervals of the specified width.
confidence(mean = c(.3, .5), se = c(.15, .2), df = c(100, 200), conf_level = .95, conf_method = "t") confidence(mean = c(.3, .5), se = c(.15, .2), conf_level = .95, conf_method = "norm")
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