doiplot {metasens}

Doi plot for Asymmetry

Description

Implementation of the Doi plot proposed by Furuya-Kanamori et al. (2018) to evaluate bias in meta-analysis.

Usage

doiplot(
  TE,
  seTE,
  xlim,
  ylim,
  xlab = NULL,
  ylab = "|Z-score|",
  lfkindex = TRUE,
  pos.lfkindex = "topleft",
  ...
)

Arguments

TE

An object of class lfkindex or meta or estimated treatment effect in individual studies.

seTE

Standard error of estimated treatment effect (mandatory if TE not of class lfkindex or meta).

xlim

The x limits (min,max) of the plot.

ylim

The y limits (min,max) of the plot.

xlab

A label for the x-axis.

ylab

A label for the y-axis.

lfkindex

A logical indicating whether LFK index should be printed.

pos.lfkindex

A character string with position of text with LFK index (see legend).

...

Additional arguments (passed on to plot.default).

Author(s)

Gerta Rücker [e-mail], Guido Schwarzer [e-mail]

References

Furuya-Kanamori L, Barendregt JJ, Doi SAR (2018): A new improved graphical and quantitative method for detecting bias in meta-analysis. International Journal of Evidence-Based Healthcare, 16, 195–203

See Also

lfkindex, metabias, funnel.meta

Examples

# Example from Furuya-Kanamori et al. (2018)
#
pain <- data.frame(SMD = c(-4.270, -1.710, -0.580, -0.190, 0.000),
                   varSMD = c(0.158,  0.076,  0.018,  0.022, 0.040))

lfk.pain <- lfkindex(SMD, sqrt(varSMD), data = pain)
lfk.pain

doiplot(lfk.pain)