ggbio | Grid and ggplot2 based visualization for biological data | Data Visualization library
kandi X-RAY | ggbio Summary
kandi X-RAY | ggbio Summary
Grid and ggplot2 based visualization for biological data
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Community Discussions
Trending Discussions on ggbio
QUESTION
I'm loading a built-in ideogram from the biovizBase package:
...ANSWER
Answered 2017-Jul-20 at 23:15The stack memory of each process is limited not only by available memory but also by OS (by default no more than a few MiBs).
I didn't understand whether ulimit -s unlimited did the trick or not. what does "it's not clear how to accomplish this from without RStudio" mean?
QUESTION
I want to create a karyogram/ideogram of human hg19 that contains in addition a track with numeric data, e.g. p-values, as an point plot.
...ANSWER
Answered 2017-May-19 at 08:38Finally it turned out to be not very difficult if one found the proper URL.
http://www.tengfei.name/ggbio/docs/man/layout_karyogram-method.html points to a line plot above each chromosome's karyogram.
the x-coordinate from the GRanges object to be used would be
start
ylim
defines the size of the point-subplotssize
needs to be reduced a little as default point size would produce a nearly unreadable plot
QUESTION
I want to plot a karyogram with SNP markers.
It works with function segments
but I want to use ggplot2 package to display an elegant graphic.
- ggbio:
I checked the package ggbio with the functionlayout_karyogram
but the chromosomes are plotted in a vertical position. I didn't find a way to rotate the graph with the name below each chromosome and to write the name of my SNP next to their segment.
geom_bar
:
Then I triedgeom_bar
from the package ggplot2:
...
ANSWER
Answered 2017-Mar-28 at 12:57I would go for geom_segment
. The x
start/end of the SNP segments are hardcoded (as.integer(chr) -+ 0.05
), but otherwise the code is fairly straightforward.
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