Problems with xaxis ticks and labels

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Katharine S 2020-5-4

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https://ww2.mathworks.cn/matlabcentral/answers/522934-problems-with-xaxis-ticks-and-labels

评论： Tommy 2020-5-4

采纳的回答： Tommy

boxplots.jpg

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Hello.

I am having some problems with my x axis.

Y=NaN(12,nyr);
%
for i=1:nyr
%
  Y(:,i)=mnCML((i-1)*12+1:i*12);
%
end
%
figure('NumberTitle','off','Name','boxes')
%
boxplot(Y), hold on
%
plot([0 35],mean(mnCML)*[1 1],'r--')
%
xtics=[0:5:35];
xticlab={'1980' '1985' '1990' '1995' '2000' '2005' '2010' '2015'};
set(gca,'XTick',xtics,'XTickLabel',xticlab)

I have 34 years of data (1981 - 2014). I am displaying yearly box plots. I want the axis to start at 1980 and end at 2015. I have attached the current graph, which starts at 1985 and ends at 2010. I essentially want to have labels at the borders of the chart before and after the data years. Any advice? Thanks!

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采纳的回答

Tommy 2020-5-4

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https://ww2.mathworks.cn/matlabcentral/answers/522934-problems-with-xaxis-ticks-and-labels#answer_430201

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The x axis limits are from 1 to 34, based on your box plot. When you call hold on and then plot a line from 0 to 35, the limits don't update. One option is to update the limits after everything is plotted by adding axis tight at the end:

Y=NaN(12,nyr);
%
for i=1:nyr
%
  Y(:,i)=mnCML((i-1)*12+1:i*12);
%
end
%
figure('NumberTitle','off','Name','boxes')
%
boxplot(Y), hold on
%
plot([0 35],mean(mnCML)*[1 1],'r--')
%
xtics=[0:5:35];
xticlab={'1980' '1985' '1990' '1995' '2000' '2005' '2010' '2015'};
set(gca,'XTick',xtics,'XTickLabel',xticlab)
axis tight