transfer p value to z value

Question

junxian wang 2019-6-20

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/468060-transfer-p-value-to-z-value

回答： David Hill 2019-6-20

Hello! I have p values (i.e. accuracy in %), how can I transfer these p values to corresponding Z values in standard normal distribution ? is there any function I can use?

for example, p = 0.95, Z = 1.645 in POZ conversion table.

Thanks a lot in advance!

best!

Arya

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infinity 2019-6-20

Hello,

I think you can take a look here

https://it.mathworks.com/help/stats/norminv.html

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Answer 1

David Hill 2019-6-20

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/468060-transfer-p-value-to-z-value#answer_380075

在 MATLAB Online 中打开

If you have the Statistics and Machine Learning Toolbox the function is norminv(). If you don't, the documentation for the norminv function gives you enough information to write your own function.

z = norminv(.95);