Hello All,

I am having a problem creating text for my forest plot using the "forestplot" function in the rmeta package.  I think my problem is that I have too many columns of text, so I was wondering if there is a way to shrink my text or to change the default setting.

Here is an example:
####
forest_mean<- as.numeric(c(NA, 1.00, 2.00, NA, 0.75, 1.10))
forest_lower<- as.numeric(c(NA, 0.85, 1.35, NA, 0.70, 0.80))
forest_upper<- as.numeric(c(NA, 1.15, 2.65, NA, 0.80, 1.40))
forest_pval<- as.numeric(c(NA, 0.004, 0.100,    NA, 0.360, 0.080))
forest_int<- as.numeric(c(NA,NA,NA,0.00, NA, NA))
forest_number_clop<- c(NA, "10.0% (10/100)", "5% (5/100)", NA, "9% (9/100)", "4% (4/100)")
forest_number_plac<- c(NA, "11% (11/100)",  "30% (30/100)", NA, "15% (15/100)", "20% (20/100)")
forest_text<- c(NA, "1.00 (0.85-1.15)", "2.00 (1.35-2.65)", NA, "0.75 (0.70-0.80)", "1.10 (0.80-1.40)")
Label_text_forest<- c("Outcome A", "Exposure 1", "Exposure 2", "Outcome B", "Exposure 1", "Exposure 2")

forest_text_table<- cbind(Label_text_forest, forest_number_clop, forest_number_plac, forest_text, forest_pval, forest_int)

plot1<- forestplot(forest_text_table, forest_mean, forest_lower, forest_upper, digits=2,graphwidth = unit(2,"inches"), zero=1, clip = c(0.1, 2.50), title(main="Forest Plot"))
####
I get the error message: "Error in unit(rep(1, sum(widthcolumn)), "grobwidth", labels[[1]][widthcolumn]) :   'x' and 'units' must have length > 0".

Does anyone know how to fix this?

S


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