tab.4.tex=function(d){gridExtra::grid.table(d, show.rownames = FALSE, show.colnames = TRUE, row.just = "center", show.hlines=T,col.just="center", separator="black", show.box=T, gpar.colfill = gpar(fill = "blue3", col = "black"),gpar.coltext = gpar(col = "white", cex = 1, fontface = "bold"),gpar.rowfill = gpar(fill = "white", col = "black"), gpar.corefill = gpar(fill = "white", col = "black"))
}
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