added function for making raincloud plots

raincloud_plots/how_to_make_a_raincloud_plot.m

+% download open dataset from Marcus Munafo 
+% https://data.bris.ac.uk/datasets/112g2vkxomjoo1l26vjmvnlexj/2016.08.14_AnxietyPaper_Data%20Sheet.csv
+
+mydir = 'insert path here';
+myfile = '2016.08.14_AnxietyPaper_Data Sheet.csv';
+
+f = fopen(fullfile(mydir,myfile));
+
+dall = textscan(f,'','HeaderLines',1,'delimiter',',');
+
+% just get the Anger, Disgust, Fear, and Happy conditions
+d = [dall{28} dall{29} dall{30} dall{31}];
+
+fclose(f);
+
+%% get nice colours from color brewer
+% (https://uk.mathworks.com/matlabcentral/fileexchange/34087-cbrewer---colorbrewer-schemes-for-matlab)
+
+[cb] = cbrewer('qual','Set3',10,'pchip');
+
+%% plot
+
+figure;
+subplot(4,1,1), raincloud_plot(d(:,1), cb(5,:));
+subplot(4,1,2), raincloud_plot(d(:,2), cb(7,:));
+subplot(4,1,3), raincloud_plot(d(:,3), cb(6,:));
+subplot(4,1,4), raincloud_plot(d(:,4), cb(4,:));
\ No newline at end of file

raincloud_plots/raincloud_plot.m

+function h = raincloud_plot(X,cl)
+
+[a,b] = ksdensity(X);
+
+wdth = 0.8; % width of boxplot
+% TODO, should probably be some percentage of max.height of kernel density plot
+
+% density plot
+h{1} = area(b,a); hold on
+set(h{1}, 'FaceColor', cl);
+set(h{1}, 'EdgeColor', [0.1 0.1 0.1]);
+set(h{1}, 'LineWidth', 2);
+
+% make some space under the density plot for the boxplot
+yl = get(gca,'YLim');
+set(gca,'YLim',[-2 yl(2)]);
+
+% jitter for raindrops
+jit = (rand(size(X)) - 0.5) * wdth;
+
+% info for making boxplot
+Y = quantile(X,[0.25 0.75 0.5 0.02 0.98]);
+
+% 'box' of 'boxplot'
+h{2} = rectangle('Position',[Y(1) -1-(wdth*0.5) Y(2)-Y(1) wdth]);
+set(h{2},'EdgeColor','k')
+set(h{2},'LineWidth',2);
+% could also set 'FaceColor' here as Micah does, but I prefer without
+
+% mean line
+h{3} = line([Y(3) Y(3)],[-1.2 -0.8],'col','k','LineWidth',2);
+
+% whiskers
+h{4} = line([Y(2) Y(5)], [-1 -1],'col','k','LineWidth',2);
+h{5} = line([Y(1) Y(4)],[-1 -1],'col','k','LineWidth',2);
+
+% raindrops
+h{3} = scatter(X,jit - 1);
+h{3}.SizeData = 5;
+h{3}.MarkerFaceColor = cl;
+h{3}.MarkerEdgeColor = 'none';
+
+
+