UQRUG 25

2022-03-30: UQRUG 25

Attendees

• Steph (Library): helping out!
• Vicki Martin: Postdoc, SEES
• Nisa Abeysinghe
• Richard Bell: PhD, POLSIS
• Chris Mancini: HDR - MPhil, School of Civil Engineering
• … and 6 more UQRUGers!

Topics discussed and code

Big raster files

Use terra instead of raster, and use a temporary directory:

library(terra)
terraOptions(tempdir = "path to somewhere with lots of space")
as.points() # instead of rasterToPoints()

The Research Computing Centre can also provide access to supercomputers

Patchwork for joining plots made with ggforestplot

To merge two plots with the same y-axis. After creating Forest plot 1 (with y-axis labels), create Forest plot 2 with y-axis labels removed:

library(ggforestplot)
F2plot <- 
  forestplot(
    df = F2,
    name = term,
    estimate = estimate,
    se = std.error,
    pvalue = p.value,
    psignif = 0.05, 
    title = "Plot 2",
    xlab = "estimate",
    ylab = element_text(family = "", size = 10)
  )+ 
  theme(axis.text.y = element_blank())

Or try replacing text in ylab (above) to ylab = “”

Then merge the plots:

library(patchwork)
F1plot / F2plot

Slow check_model()

check_model() in performance package: weird behaviour in R Markdown, takes too long to execute. Richard might come back later with the answer!