v_lnrr_naka Calculates the sampling variance for log response ratio based on second order Taylor expansion proposed by Lajeunesse 2011 as per equation 7 of Nagakawa 2022

v_lnrr_naka(n1, n2, n1_data, n2_data, CV1_data, CV2_data)

Arguments

n1

Sample size for treatment group 1

n2

Sample size for treatment group 2

n1_data

Vector of sample sizes for treatment group 1 (for those observations with CV)

n2_data

Vector of sample sizes for treatment group 2 (for those observations with CV)

CV1_data

Vector of coefficient of variations for treatment group 1 (for those observations with CV)

CV2_data

Coefficient of variation for treatment group 2 (for those observations with CV)

References

Nakagawa, S., et al. (2022). "A robust and readily implementable method for the meta-analysis of response ratios with and without missing standard deviations." Ecol Lett. doi: 10.1111/ele.14144