Created
October 18, 2017 09:44
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dotplot
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function [sh, lh, mp] = dotPlot(X, G, Wid, med, beas) | |
% [sh, lh, mp] = dotPlot(X, G, Wid, med, beas) | |
% | |
% load fisheriris.mat | |
% [sh, lh, mp] = dotPlot(meas(:,3), species, .25, false, true) | |
% | |
% input: | |
% X: data | |
% G: Group | |
% Wid: width of dot distribution (default: .35) | |
% med: flag of lineplot by median (default: false, mean) | |
% | |
% output: | |
% sh: handle of scatter plot | |
% lh: handle of mean (median) line plot | |
% mp: mean (median) value of each group | |
% | |
% Ryosuke F Takeuchi 2017 | |
switch nargin | |
case 2 | |
Wid = .35; | |
med = 0; | |
beas= 0; | |
case 3 | |
med = 0; | |
beas = 0; | |
case 4 | |
beas = 0; | |
end | |
xvar = unique(G); | |
for i = 1:length(xvar) | |
if iscell(xvar) | |
xx = strcmp(G, xvar{i}); | |
else | |
xx = G==xvar(i); | |
end | |
[xa, Xo(xx)] = dotw(X(xx), Wid); | |
if med | |
mp(i) = nanmedian(X(xx)); | |
else | |
mp(i) = nanmean(X(xx)); | |
end | |
if ~beas | |
Xo(xx)=X(xx); | |
end | |
sh(i) = scatter(i+xa, Xo(xx), '.', 'SizeData', 60); hold on; | |
lh(i) = plot(i+[-1.4 1.4]*Wid, mp(i)*[1 1], ... | |
'k', 'LineWidth', 1.75); | |
end | |
if iscell(xvar) | |
set(gca, 'XTick', 1:length(xvar), 'XTickLabel', xvar); | |
end | |
end | |
function [xb, Xo] = dotw(X, Width) | |
xb = X*0; | |
Xo = X; | |
[N, Edge] = histcounts(X, round(length(X)/3)); | |
Nn = Width*N/max(N); | |
for i = 1:length(N) | |
poi = X >= Edge(i) & X < Edge(i+1); | |
if i == length(N) | |
poi = X >= Edge(i) & X <= Edge(i+1); | |
end | |
xb(poi) = linspace(-Nn(i), Nn(i), N(i)); | |
if sum(poi) ==1 | |
xb(poi) = 0; | |
end | |
tmpX = X(poi); | |
tmpX = sort(tmpX); | |
Xo(poi) = tmpX(:); | |
% Order in bin | |
tmpX = X(poi); | |
tmpX = sort(tmpX); | |
tmpxb = xb(poi); | |
[~, I] = sort(abs(tmpxb)); | |
Xo(poi) = tmpX; | |
xb(poi) = sign(tmpxb(I)).*sort(abs(tmpxb))... | |
-median(sign(tmpxb(I)).*sort(abs(tmpxb))); | |
end | |
end |
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