# Subplots of subplots (maybe using subaxis)

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Sim am 11 Mai 2022
Kommentiert: Sim am 17 Aug. 2022
I am using the beast exchange file, which default example,
load('Nile.mat') % annual streamflow of the Nile River startin from year 1871
out = beast(Nile,'start', 1871); % trend and seasonality of the time-series
H = plotbeast(out)
produces the following subplots:
H =
1×8 Axes array:
Axes Axes Axes Axes Axes Axes Axes Axes
Now, I would like to create subplots of those subplots, produced by beast, possibly using the subaxis function (but I am open to other tools for subplots!). Unfortunately, the following attempt does not work:
out = beast(Nile,'start', 1871);
% subplot of subplots?
for i = 1 : 6
subax(i) = subaxis(4,2,i);
H = plotbeast(out)
end
My goal would be to get something like this:
How can I get it ? Do you have any suggestion / idea?
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Kaiguang am 16 Aug. 2022
Shown above are some examples to plot the results from the beast outputs. If more help is needed, contact me at zhao.1423@osu.edu.
Sim am 17 Aug. 2022
thanks a lot @Kaiguang, very kind!!!

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### Akzeptierte Antwort

Kaiguang am 17 Aug. 2022
Repost my code snippet here to explain the beast output:
%install the beast program
% load a sample time series
% For this example, make sure not to fit the seasonality bcz it is an
% annual trend-only streamflow time series, without any periodic component
o=beast(Nile,'season','none');
% o is a struct variable containing all the results
o
% Plot the results directly from o
clf
subplot(3,1,1)
plot(o.time, o.data) % plot the original data
subplot(3,1,2)
plot(o.time, o.trend.Y) % plot the fittted trend
subplot(3,1,3)
plot(o.time, o.trend.cpOccPr) % plot the changepoint occurance probability
% if needed, check this pdf https://cran.r-project.org/web/packages/Rbeast/Rbeast.pdf
% starting from Page 7 to see more details about the output fields
%Alternatively, use the plotbeast to choose the subplots through the 'vars'
%argument
plotbeast(o,'vars',["t","tcp","torder"])
plotbeast(o,'vars',["t","tcp","torder","error"])
plotbeast(o,'vars',["t","error"])
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Sim am 17 Aug. 2022
thanks a lot @Kaiguang!!

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### Weitere Antworten (1)

the cyclist am 12 Mai 2022
I would try the native tiledlayout function to make the subplots. I've never used beast, so I'm not sure if there are any weird incompatibilities.
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Sim am 12 Mai 2022
thanks @the cyclist :) But, unfortunately, it does not work...
out = beast(Nile,'start', 1871);
tiledlayout(2,1);
% Tile 1
nexttile
plotbeast(out)
% Tile 2
nexttile
plotbeast(out)

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