Recent content by epik

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    Finding an approximate CDF/PDF from a large data set

    I might be wrong but you need to do a Chi-squared test.First do a CDF to figure approximately what distro you have.You might have a common distro normal/exponential in which case there is no point fitting a function and creating a distro of your own.You can check wiki on how the CDFs of these...
  2. E

    Is Plancks function a distribution one?

    Ok,I got what you said.It is a distribution and should be treated as one.The reason its integral is not 1 is because it is multiplied by a factor to give irradiance, radiance etc. Thanks.
  3. E

    Is Plancks function a distribution one?

    But the form of the Plancks function that gives radiance (Energy/time/area/steradian/wavelength or frequency) is not a probability density function,right?
  4. E

    Is Plancks function a distribution one?

    In many textbooks Plancks law or function is also referred to as Plancks distribution. But is it a true distribution function? I was reading a textbook where it was describing Maxwell-Boltzmann distribution (which is a true distribution function since its integral across the range equals 1...
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