user3701788
user3701788

Reputation: 1

formula for calculating p-value from t-distribution

can anyone tell me about the symbol right after the word 'mode' in formula given at link below? I am looking to convert this formula into a computer program.

link : https://wiki.openoffice.org/wiki/Documentation/How_Tos/Calc:_TDIST_function

Upvotes: 0

Views: 350

Answers (1)

Amit Kumar Gupta
Amit Kumar Gupta

Reputation: 18567

It's the capital Greek letter Gamma. The probability density function of Student's t distribution can be expressed in terms of the Gamma function, which is a sort of generalization of the factorial function.

Detexify is a nice little site where you can draw a mathematical symbol and find out what the LaTeX markup is for that symbol. From the LaTeX markup, it's usually easy to find out what the symbol is called, or at the very least find something you can do a web search for.

C++, Ruby, Python, and Golang all include functions to compute (approximately) the Gamma function as part of their standard math libraries. This is likely true of several other languages as well.

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Upvotes: 1

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