I see. I will try and repeat the process, isolating a sample of a week only or so. You are right, and that will come afterwards, expecting the departure delays for example to fit an exponential distribution (based on existing research outcomes). Nevertheless, these data refer to the dwell times (times that a train stops at a station). It is because there is existing literature claiming so, and if that applies to my research too, for railway line in the country I am looking into, I would be able to use the fitted distribution for simulation reasons afterwards. The last question I would like to ask is: why does not, changing the bins width, the fitting gets affected? Is not it like a grouping of values? If the width is big enough to cover the gap that the discreet data create, then we will have continuity between the groups. Is this thought wrong?
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