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ShadePlotForEmphasi​s

version 1.0 (2.74 KB) by

Plots a shaded bar for emphasis as commonly seen on economic charts.

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ShadePlotForEmpahsis
Plots a shaded bar for emphasis as commonly seen on economic charts.

INPUTS:
x where the bar is placed. If you want a bar from x=4:8 then
use [4 8]. If you want x=[4:8,10:20] then use {4:8,10:20}
colors Use 'y' to make all bars yellow. Use {'y','g','r'} for
yellow, green and red bars.
alphas Use 0.5 if you want all bars to be translucent. Use {0,.5,1}
for transparent, translucet and opaque bars.

USAGE:
% DEFINE DATA
P=[ ...
98 98 94 91 84 83 82 87 88 89 91 91 90 89 89 90 91 91 87 86 87 84 79 80 ...
85 86 86 85 93 93 93 93 97 97 95 93 93 94 95 96 96 92 89 90 91 91 91 92 ...
93 95 99 98 99 97 95 95 94 90 92 93 93 95 94 95 93 92 92 92 91 90 89 89 ...
90 89 90 89 88 84 84 83 84 85 85 84 82 82 82 79 80 79 80 78 78 81 83 82 ...
81 79 77 77 78 77 78 79 79 81 81 81 78 78 78 78 77 78 79 79 79 79 81 85 ...
86 86 86 87 85 84 85 86 88 88 90 88 88 87 86 86 85 87 87 87 86 85 84 83 ...
82 81 81 82 81 80 82 81 79 80 81 80 80 79 85 85 82 83 84 85 86 87 86 86 ...
85 85 85 83 79 81 83 83 84 82 80 80 80 80 84 81 80 76 71 70 70 69 69 68 ...
67 68 68 68 67 68 68 70 70 72 72 71 69 68 68 68 67 68 67 66 67 67 67 66 ...
65 66 65 62 60 60 59 59 59 59 65 66 63 65 68 68 68 68 69 73 74 71 71 69 ...
71 72 72 76 76 74 77 80 82 80 78 80 80 80 80 81 80 79 77];
T=today-length(P)+1:today;
Y={today-[13 74],today-[142 172]};
G={today-[30 51]};

% PLOT THE DATA
plot(T,P);
datetick;
line(get(gca,'Xlim'),[80 80])
line(get(gca,'Xlim'),[68 68])%
title({'ShadePlotForEmphasis','(P<80 yellow, P<68 green)'});

% DRAW SOME YELLOW BARS
ShadePlotForEmpahsis(Y,'y',0.5);

% DRAW A GREEN BAR
ShadePlotForEmpahsis(G,'g',0.5);


| ## _#__/
| ## / #
| ## / #
| /#\_/ #
|/ ## #
|__##_____#_____

IT'S NOT FANCY BUT IT WORKS

Comments and Ratings (6)

Lukas

Lukas (view profile)

Simple, clean, just works. Thanks!

Kuo-Hsien

Hey Michael, How to show the box in the subplots? it doesn't work in my subplots.

David Groppe

David Groppe (view profile)

Great function! Thanks for writing it. It would be a bit easier to use though if you corrected the spelling of "emphasis." Currently you spell it "empahsis."
much appreciated,
-D

Francisco Bido

Mathworks needs to rapidly implement a more refined version of this popular type of plot. In the mean time, this code is VERY useful. Thanks!!

Vaishali Dadhe

MATLAB Release
MATLAB 6.5 (R13)
Acknowledgements

Inspired: Shaded time series

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