# Hold on command does not work for boxplot and additional plot

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Christina on 25 May 2015
Commented: Christina on 26 May 2015
Hello all,
I've got a boxplot (with horizontal orientation) with data:
a= [x1;x2;x3;x4;x5;x6;x7;x8;x9;x10;x11;x12;x13;x14;x15]
and the boxplot groups are defined by vector b, where b is:
b = [0*ones(size(x1)); 0.1*ones(size(x2)); 0.2*ones(size(x3)); 0.3*ones(size(x4)); 0.4*ones(size(x5)); 0.5*ones(size(x6)); 0.6*ones(size(x7)); 0.7*ones(size(x8)); 0.8*ones(size(x9)); 0.9*ones(size(x10)); 1.0*ones(size(x11)); 1.1*ones(size(x12)); 1.2*ones(size(x13)); 1.5*ones(size(x14)); 1.6*ones(size(x15))];
where, the positions 0, 0.1, 0.2, 0.3, 0.4......., 1.6 are the positions that my horizontal boxplots are taking on the y axis.
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I want to overlap a plot with 5 points say c=[0.3, 0.4, 0.5, 0.6, 0.7] at y=2.
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So, when I'm typing
figure
boxplot(a,b,'orientation','horizontal')
hold on
plot(c,2*ones(size(c)),'g.')
it does not work and only the boxplots are shown, but not my 5 points (that are above the highest y value of the boxplots, which is 1.6).
Any ideas of how I could resolve this?

Walter Roberson on 25 May 2015
"hold on" affects the xlim and ylim.
Christina on 26 May 2015
Hi Walter,
I think I resolved the first part with plotting boxplots correctly.
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So, when I've got
Xpos = [0 0.1 0.2] (just for three boxplots and not for 15)
group = [repmat(Xpos(1),[size(x1),1]); repmat(Xpos(2),[size(x2)],1); repmat(Xpos(3),[size(x3)],1)]
dataset3 = [x1;x2;x3];
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figure
boxplot(dataset3, group,'positions', Xpos,'orientation','horizontal')
hold on
scatter(0.5,2,'g.') (just for one additional point and not for 5 that I want)
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my point is still not visible.
I do understand that hold on is restraining the ylimits, but what can I use instead?
Many thanks