I am looking at the zfit tutorial, and seeing the comment about the likelihood with weight, (see attached image) does anyone know if how the uncert ...
I defined my own ZFit pdf using something like: When creating the PDF I get an error Can anybody tell what I do wrong ? Thanks in advance ... ...
When playing with zfit tutorial, I just tried to remove the floating option of the alpha_sig parameter. In other words, I changed alpha_sig = zfit.Pa ...
I wanted to know if there's a way to exclude one or more data regions in a polynomial fit. Currently this doesn't seem to work as I would expect. Here ...
I am trying to do some 2d spectra fitting with the help of zfit. The pdf I want to use comes from ROOT TH2D. Is there any method to convert the input ...
I am recently using zfit to make some fits and I am having trouble understanding how to find the number of events. As far as I know, it would be the i ...
First of all I would like to say that I do have conceptual difficulties with this topic, so please correct me if my intention does not make sense. I' ...
I would like to fit 2-dim plot by straight line (a*x+b) using zfit like the following figure. That is very easy work by a probfit package, but it has ...
I am trying to perform a fit to a tree. But I need to add some cut to the branches which are not the observables of the fit. Website https://zfit.read ...
I looking in the documentation how to obtain a PDF from a histogram, but I couldn't find anything, so how can I obtain PDF from a histogram ?, for exa ...
I am trying to perform an unbinned 3D angular fit in zfit, where the input data is a sample with per-event sWeights assigned from a separate invariant ...
I am trying to fit a 5 parameter (a, b, c, d, e) model, where one of the parameters is constrained by another, let's say, 0< d < 1 e < |d| ...
Does anyone know why PEP 563 is not backported to python36 as of the time of this writing? Are there any plans to do that or is it even possible? I a ...
Firstly, thank you for making a really neat, pythonic tool which can be used as an alternative for RooFit. I have successfully defined a custom 2D P ...
I'm trying to perform a fit with extended Chebyshev pdf. To do so I use predefined zfit.pdf.Chebyshev(). What do I miss here? import tensorflow as t ...
I have a running model with a pdf in zfit from where I want to generate toys from and after also fit the pdf to the toys. However I was wondering how ...
I want to perform several fits with multiple parameters, some of the which are fixed in the first fit. How can I define a parameter that is not floati ...