8.2 Plotting regressions

A finished bubble plot

Figure 8.2: A finished bubble plot

To plot our meta-regression output, we can use the bubble function in meta. Here a few parameters we can specify for this function.

Parameter Function
xlim The x-axis limit of the plot. Must be specified as, e.g., ‘xlim=c(0,1)’
ylim The y-axis limit of the plot. Must be specified as, e.g., ‘ylim=c(0,1)’
xlab The label for the x axis
ylab The label for the y axis
col The color of the individual studies
lwd The line width of the regression line
col.line The color of the regression line
studlab If the labels for each study should be printed within the plot (TRUE/FALSE)
bubble(output.metareg,
       xlab = "Publication Year",
       col.line = "blue",
       studlab = TRUE)




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