Re: Bar chart with error bars?

[Bill Denney]

address@hidden wrote:
> Henry, many thanks for your reply!
>
> I have tried that. Then there is no bar chart anymore.
>
> Here is a snippet of my code:
>
> array=dlmread("testfile2.csv",",") % there are 2 rows and 6 columns of example 
> data
> % data in columns, cols 1,3,5 are the values to be plotted as bars, 
> % cols 2,4,6 contain dy for the error bars
> columns=[]
> bars=[]
>
> for i=1:3
> columns=[columns,array(:,2*i-1)] % isolate data for bars
> bars=[bars,array(:,2*i)]         % isolate data for error bars
> endfor
>
> newplot()
> colormap winter;
>
> bar([columns])
>   
hold on
> errorbar([columns],[bars])
> title('Title XYZ','Fontsize',16);
> ylim([0,10]) % yaxis neu setzen
> xlim([0,10])
> legend('condition 1','condition 2','condition 3')
> ylabel('arbitrary units')
>
>
> when the % before "bar" is removed (and the "errorbars" line is commented out), 
> then a bar chart with 2 sets of bars (3 bars per set)
> is displayed. If the code is run as shows, I get 3x2 plotted points with errer 
> bars.
> When both lines are executed, first I see a plot with the axes messed up (xlim 
> and ylim are ignored), then I see another plot with correct axes, but no 
> columns (as when the bar command is not run at all)
>
> Any clues?
>   
You need to add a hold on so that when a new plot is added, you keep 
what was already on the plot (see above).

Have a good day,

Bill