R: enlarge a transactions plot

Question

Hi I need help with this. When I put

I got these error.

BUT, I'm trying to plotting it on a knit html document and I want something like this:

What should i pass as a parameter to the plot function???

Please provide a [reproducible example](http://stackoverflow.com/questions/5963269/how-to-make-a-great-r-reproducible-example) when posting R questions. — lukeA, Jul 22 '15 at 19:30

score 1 · Answer 1 · answered Jul 22 '15 at 19:28

1

library(arulesViz)
data("Groceries")
rules <- apriori(Groceries, parameter=list(support=0.001, confidence=0.5))

Adjust the height of your graphics device

f <- function(height) { 
  pdf(tf <- tempfile(fileext = ".pdf"), height = height)  
  plot(rules, method="grouped") 
  dev.off() 
  shell.exec(tf) 
}
f(5)  # too small
f(10) # better height

or try using an interactive plot

sel <- plot(rules, method="grouped", interactive=TRUE)

answered Jul 22 '15 at 19:28

lukeA

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nice function +1, you could also abbreviate the labels, `Groceries – Rorschach Jul 22 '15 at 19:41
it doesn't work because im trying to plot it on a knit html document :( – Vzqivan Jul 22 '15 at 19:46
@IvanG4Life And it's not possible to define the height for a plot there? Please edit your question and provide a minimal reproducible example of what you got. – lukeA Jul 22 '15 at 19:50
1

@IvanG4Life Replace `\`\`\`{r}` by `\`\`\`{r, fig.height=20}` for example. – lukeA Jul 22 '15 at 20:28

R: enlarge a transactions plot

1 Answers1