Plotting In Matlab with three columns?
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I want to plot the Global_X column on Y-axis and Plot_Time on X-axis for the CSV file attached. However, I am intereseted in plotting unique subplots based on vehicle ID. For example, there should be a plot(preferably represented by line) for Vehicle_ID 65 and different one for Vehicle_ID 66. This should repeat until all the plots are completed for each Vehicle_ID. I am trying to have the plots for all the vehicle_Ids on the same big plot. I would really appreciate the help.
采纳的回答
M = csvread('Query_version.csv',1,0);
U = unique(M(:,1));
N = numel(U);
C = cell(2,N);
for k = 1:numel(U)
X = M(:,1)==U(k);
C{1,k} = M(X,2);
C{2,k} = M(X,3);
end
plot(C{:})
Giving all 449 different lines, one for each ID:
It is not clear how you want to distinguish between 449 different lines on one plot.
4 个评论
Gaurav Kashyap
2019-2-24
Stephen23
2019-2-24
"Is there a way I can have three plots?"
Probably.
"...0-300, 300-600 and above 600 being three of the ranges."
Of which variable?
Gaurav Kashyap
2019-2-24
Stephen23
2019-2-25
M = csvread('Query_version.csv',1,0);
V = [0,300,600,Inf];
[~,B] = histc(M(:,2),V);
U = unique(M(:,1));
C = cell(2,numel(U),numel(V)-1);
S = size(C);
for ii = 1:S(2)
X = M(:,1)==U(ii);
for jj = 1:S(3)
Y = B==jj;
C{1,ii,jj} = M(X&Y,2);
C{2,ii,jj} = M(X&Y,3);
end
end
subplot(3,1,1)
plot(C{:,:,1})
subplot(3,1,2)
plot(C{:,:,2})
subplot(3,1,3)
plot(C{:,:,3})
Giving (you can adjust the figure size, etc.):
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