unidata: Uniaxial Sample Data

In accelerometry: Functions for Processing Minute-to-Minute Accelerometer Data

Description

This dataset is used to illustrate the various functions in the package accelerometry.

Usage

data(unidata)

Format

The format is: int [1:50400, 1:3] 21005 21005 21005 21005 21005 21005 21005 21005 21005 21005 ... - attr(*, "dimnames")=List of 2 ..$ : NULL ..$ : chr [1:3] "seqn" "paxday" "paxinten"

Details

NA

Source

The data is for from five participants in NHANES 2003-2004 [1]. The full dataset is available at: http://wwwn.cdc.gov/nchs/nhanes/search/datapage.aspx?Component=Examination&CycleBeginYear=2003

References

1. Centers for Disease Control and Prevention (CDC). National Center for Health Statistics (NCHS). National Health and Nutrition Examination Survey Data. Hyattsville, MD: US Department of Health and Human Services, Centers for Disease Control and Prevention, 2003-6 http://www.cdc.gov/nchs/nhanes/nhanes_questionnaires.htm. Accessed July 31, 2014.

Acknowledgment: This material is based upon work supported by the National Science Foundation Graduate Research Fellowship under Grant No. DGE-0940903.

Examples

# Load in sample data
data(unidata)

# Plot full week of data from ID number 21007
counts.part3 <- unidata[unidata[, "seqn"] == 21007, "paxinten"]
plot(counts.part3)

Example output

accelerometry documentation built on May 2, 2019, 5:23 p.m.