Limits of agreement (Bland-Altman plot) between raw and calibrated instrument output

Data are obtained in the field.<p><b>Copyright information:</b></p><p>Taken from "Unit-specific calibration of Actigraph accelerometers in a mechanical setup – Is it worth the effort? The effect on random output variation caused by technical inter-instrument variability in the laboratory and in the field"</p><p>http://www.biomedcentral.com/1471-2288/8/19</p><p>BMC Medical Research Methodology 2008;8():19-19.</p><p>Published online 11 Apr 2008</p><p>PMCID:PMC2383921.</p><p></p