| ci {meta} | R Documentation |
Calculation of confidence intervals (based on normal approximation or t-distribution)
Description
Calculation of confidence intervals; based on normal approximation or t-distribution.
Usage
ci(TE, seTE, level = 0.95, df = NULL, null.effect = 0)
Arguments
TE |
Estimated treatment effect. |
seTE |
Standard error of treatment estimate. |
level |
The confidence level required. |
df |
Degrees of freedom (for confidence intervals based on t-distribution). |
null.effect |
A numeric value specifying the effect under the null hypothesis. |
Value
List with components
TE |
Estimated treatment effect |
seTE |
Standard error of treatment estimate |
lower |
Lower confidence limits |
upper |
Upper confidence limits |
statistic |
Test statistic (either z-score or t-score) |
p |
P-value of text.with null hypothesis |
level |
The confidence level required |
df |
Degrees of freedom (t-distribution) |
Note
This function is primarily called from other functions of the
library meta, e.g. forest.meta, summary.meta.
Author(s)
Guido Schwarzer guido.schwarzer@uniklinik-freiburg.de
Examples
data.frame(ci(170, 10))
data.frame(ci(170, 10, 0.99))
data.frame(ci(1.959964, 1))
data.frame(ci(2.2621571628, 1, df = 9))