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How to find letters indicating significant differences at alpha=0.05?

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Abhishek Chakraborty
Abhishek Chakraborty on 2 May 2020
How to find the letters a, b, ab indicating significant differences using MATLAB at alpha-=0.05? Also, how to write the letters on the plot?

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Rik
Rik on 2 May 2020
Significance testing should be done on data, not on a plot. And what do you mean exactly with the secoond part of your question?
Abhishek Chakraborty
Abhishek Chakraborty on 3 May 2020
I have understood how to conduct the significance testing using MATLAB. How to place the letters "a", "ab" and "b" on top of the error bars? Any code for that?
Rik
Rik on 3 May 2020
You can probably use the text() function. Is that what you mean?

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Answers (1)

Vinai Datta Thatiparthi
Vinai Datta Thatiparthi on 4 May 2020
Hey Abhishek,
As mentioned by @Rik, use the text function to get the desired outputs.
Here are some links to other discussions on the MATLAB Answers forum that may be of help to you:
There are many other such discussions on this forum that may guide you.
Hope this helps!

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