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How to specify the size of a graph in ggplot2 independent of axis labels


How to specify the size of a graph in ggplot2 independent of axis labels

By : Gooseman616
Date : November 22 2020, 03:01 PM
I hope this helps you . Say I have a data frame and want to make a plot , Use ggplotGrob. Something like this:
code :
g1 <- ggplot(...)
g2 <- ggplot(...)

g1grob <- ggplotGrob(g1)
g2grob <- ggplotGrob(g2)

grid.arrange(g1grob, g2grob)


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Consistent graph size in R using ggplot2 (legend and axis change the size)

Consistent graph size in R using ggplot2 (legend and axis change the size)


By : Zain Khan
Date : March 29 2020, 07:55 AM
should help you out In your example each plot is identical, however I assume that isn't the plan for your final product. I think the easiest way to do this is with faceting rather than laying out each plot separately.
code :
dat <- data.frame(facetvar=letters[1:5], yvar=rep(1:10, each=5), xvar=rep(letters[6:10], each=5))
ggplot(dat, aes(x=xvar, y=yvar, group=facetvar)) + 
    geom_bar(stat='identity') + 
    facet_grid(facetvar~.)
ggplot(dat[sample(1:50, 40),], aes(x=xvar, y=yvar, group=facetvar)) + 
    geom_bar(stat='identity') + 
    facet_grid(facetvar~.)
ggplot2 graph x axis and line labels

ggplot2 graph x axis and line labels


By : Aris Kormakopoulos
Date : March 29 2020, 07:55 AM
I wish did fix the issue. You can eliminate the space between the plot and the axis by adding expand = c(0, 0) to the scale parameter:scale_x_discrete(expand = c(0, 0)) You can eliminate the legend by adding show_guide=FALSE to e.g. the geom_line part of your code.
EDIT:
code :
ggplot(data=dat, aes(x=Time, y=Length, colour=Genotype)) + 
  geom_line() +
  geom_point(aes(shape=Genotype), size=3) +
  scale_shape_manual(values=c(19,17,15,8,13,6,12,4)) +
  geom_errorbar(aes(ymin=Length-se, ymax=Length+se, colour=Genotype), width=.2) +
  guides(colour=FALSE, shape=FALSE) +
  facet_wrap(~Genotype, ncol=4)
How to change negative x axis breaks (labels) of ggplot2 bar graph into positive ones?

How to change negative x axis breaks (labels) of ggplot2 bar graph into positive ones?


By : realkenlee
Date : March 29 2020, 07:55 AM
like below fixes the issue It seems like you want to simply make all axis labels positive, i.e. take the absolute value. We can do this using scale_*_continuous with the breaks and labels arguments. Note that in this case we need to transform the y-axis, since we have to refer to the axis before coord_flip. The pretty function can be used to conveniently generate some pretty axis breaks:
Add this your plot:
code :
scale_y_continuous(breaks = pretty(df$N), labels = abs(pretty(df$N))
Add labels above top axis in ggplot2 graph while keeping original x axis on bottom

Add labels above top axis in ggplot2 graph while keeping original x axis on bottom


By : user7499183
Date : March 29 2020, 07:55 AM
may help you . Rather than separately calculating the counts, you can add the counts with geom_text and the original data frame (MyData). The key is that we need to add stat="count" inside geom_text so that counts will be calculated and can be used as the text labels.
code :
theme_set(theme_classic())

ggplot(MyData, aes(x = Category, y = Value)) +
  geom_boxplot() +
  geom_text(stat="count", aes(label=paste0("n=",..count..)), y=1.05*max(MyData$Value)) +
  expand_limits(y=1.05*max(MyData$Value))
library(grid)

theme_set(theme_bw())

p = ggplot(MyData, aes(x = Category, y = Value)) +
  geom_boxplot() +
  geom_text(stat="count", aes(label=paste0("n=",..count..)), 
            y=1.06*max(MyData$Value), size=5) +
  theme(plot.margin=margin(t=20))

# Override clipping
gt <- ggplot_gtable(ggplot_build(p))
gt$layout$clip[gt$layout$name == "panel"] <- "off"
grid.draw(gt)
ggplot2: Adding sample size information to x-axis tick labels

ggplot2: Adding sample size information to x-axis tick labels


By : Silvio
Date : March 29 2020, 07:55 AM
I wish did fix the issue. My solution might be a little simple but it works well.
Given an example with faceting by am I start by creating labels using paste and \n.
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