| spdg {cpr} | R Documentation |
Simulated Pregnanediol glucuronide (PDG) Data
Description
A Simulated data set based on the Study of Women's Health Across the Nation (SWAN) Daily Hormone Study (DHS).
Usage
spdg
Format
a data.frame. Variables in the data
set:
- id
Subject ID
- age
Age, in years of the subject
- ttm
Time-to-menopause, in years
- ethnicity
Ethnicity, a factor with five levels: Caucasian, Black, Chinese, Hispanic, and Japanese
- bmi
Body Mass Index
- day_from_dlt
A integer value for the number of days from Day of Luteal Transition (DLT). The DLT is
day_from_dlt == 0. Negative values indicate the follicular phase, positive values for the luteal phase.- day_of_cycle
the day of cycle
- day
A scaled day-of-cycle between [-1, 1] with 0 for the DLT. See Details
- pdg
A simulated PDG value
Details
Pregnanediol glucuronide (PDG) is the urine metabolite of progesterone. This
data set was simulated to have similar
characteristics to a subset of the SWAN DHS data. The SWAN DHS data was the
motivating data set for the method development that lead to the cpr
package. The DHS data cannot be made public, so this simulated data set has
been provided for use in examples and instructions for use of the cpr
package.
Source
This is simulated data. To see the script that generated the data set please visit https://github.com/dewittpe/cpr and look at the scripts in the data-raw directory.
References
Santoro, Nanette, et al. "Body size and ethnicity are associated with menstrual cycle alterations in women in the early menopausal transition: The Study of Women's Health across the Nation (SWAN) Daily Hormone Study." The Journal of Clinical Endocrinology & Metabolism 89.6 (2004): 2622-2631.