Description Usage Arguments Details Value Author(s) References Examples
View source: R/VDSPcalibration.R
Selects samples used in a calibration study
1 | sampletot(x, index, n0, K)
|
x |
the old sample measurements needing calibration |
index |
the ID list of the old sample measurements needing calibration |
n0 |
the required sample size |
K |
the number of quantiles, it is 4 if we use quartiles (recommended) |
The function selectes samples used in the calibration study
x |
the selected sample measurements to be used in the calibration study |
index |
the id list of the selected samples to be used in the calibration study |
Durazo-Arvizu, Ramon, Sempos, Chris and Tian, Lu
Tian L., Durazo-Arvizu R. A., Myers G., Brooks S., Sarafin K., and Sempos C. T. (2014), The estimation of calibration equations for variables with heteroscedastic measurement errors, Statist. Med., 33, pages 4420-4436
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