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metaHelper (version 1.0.0)

Transforms Statistical Measures Commonly Used for Meta-Analysis

Description

Helps calculate statistical values commonly used in meta-analysis. It provides several methods to compute different forms of standardized mean differences, as well as other values such as standard errors and standard deviations. The methods used in this package are described in the following references: Altman D G, Bland J M. (2011) Borenstein, M., Hedges, L.V., Higgins, J.P.T. and Rothstein, H.R. (2009) Chinn S. (2000) Cochrane Handbook (2011) Cooper, H., Hedges, L. V., & Valentine, J. C. (2009) Cohen, J. (1977) Ellis, P.D. (2009) Goulet-Pelletier, J.-C., & Cousineau, D. (2018) Hedges, L. V. (1981) Hedges L. V., Olkin I. (1985) Murad M H, Wang Z, Zhu Y, Saadi S, Chu H, Lin L et al. (2023) Mayer M (2023) Stackoverflow (2014) Stackoverflow (2018) .

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install.packages('metaHelper')

Monthly Downloads

135

Version

1.0.0

License

MIT + file LICENSE

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Maintainer

Robert Emprechtinger

Last Published

July 28th, 2024

Functions in metaHelper (1.0.0)

ARD_from_RR

Absolute Risk Difference
SMD_from_mean

Standardized Mean Difference (SMD) from Means and Pooled Standard Deviation
CI_from_proportions

Confidence Interval for Proportions
SMD_from_group

Standardized Mean Differences from Group Data
SEp_from_CIp

Standard Error from Confidence Interval for Differences of Means
SEp_from_SDp

Standard Error (Pooled)
SD_M_n_pooled_from_groups

Combined Standard Deviation for Multiple Groups
SD_from_CI

Standard Deviation from Confidence Interval
SE.SMD_from_SMD

Standard Error from Sample Sizes and SMD
SE_from_SD

Standard Error for a Single Group
SD_from_SE

Standard Deviation from Standard Error (Single Group)
SDp_from_SEp

Standard Deviation from the Pooled Standard Error
SDp_from_SD

Pooled Standard Deviation from Two Standard Deviations
SD_within_from_SD_r

Within-Group Standard Deviation for Matched Groups
SDp_from_CIp

Pooled Standard Deviation from Confidence Interval
SE.SMD_from_OR.CI

Standard Error of from Confidence Intervals of Odds Ratio
SMD_from_mean_matched

Calculates SMD from Matched Groups
SMD_from_OR

Standardized Mean Difference from Odds Ratio
SEp_from_TE.p

Standard Error from Treatment Effect and p-Value