How is standard deviation used in epidemiology?

Beta, 0.91, 0.93 ; Std Deviation, 6.59%, 5.87% ; Information Ratio, -0.70, -0.49 ; R-squared, 99.02%, 98.73%. We propose the Volume Coefficient of Variation (VCV), the ratio of the standard deviation to the mean of trading volume, as a new and simple measure of ... May 20, 2020 ... Descriptive statistics (mean (standard deviation) on demographics by diagnostic status, using independent t-test and Fisher's exact test ... Jun 29, 2018 ... [For all information plots, dots: mean, error bars: standard deviation across models (. Embedded Image. )]. Next, we examined ... Standard errors are provided in parentheses. There are four articles for which the quality class is unassigned. 16. Page 18 ... Table 1 gives the standard deviations of manufacturing output growth and of the ISM index, as well as the fractions of variance explained by business cycle and ... Mar 18, 2019 ... ... data analysis. Data accuracy was presented in terms of mean and standard deviation of data verification factor. Though inaccuracy was noted for ... Nov 29, 2023 ... We cluster standard errors by firm. Including firm fixed effects allows us to conduct a within-firm analysis of whether better information ... Risk is defined as standard deviation calculated using monthly values. As of Apr 29, 2025. COMPARE INDICES (Add up to four)Search is limited to indices of ... Feb 15, 2024 ... Finally, the addition of objectively analyzed standard deviation fields of temperature, salinity, and dissolved oxygen along with standard error ...