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Hello Angela,
Thank you for the note below. And thanks for having another look at my suggestion.
When I received this I went to the Ideas Portal and made a somewhat tongue in cheek comment about the other reply! At the same time I noticed that I must have misspelt my name when I originally recorded it. When I tried to modify it (from Noico to Nico) the message said: Please update your profile through your SSO provider.
I have no idea what SSO is, so please be so kind and modify my name on my behalf.
With good wishes,
Nico
Nico Laubscher
La Clémence 142
Webersvalleipad
7600 Stellenbosch
South Africa
Land Line: 27-21-880-0147
Mobile: 27-82-781-3559
I know that! Everybody knows that! But the Poisson also can't take non-integer values. So, why then not do the plot with spikes at the non-negative integers? It would not confuse anyone by also plotting a bar of the same width as the others at zero.
The poisson Distribution cannot take negative values, not in Statistica, nor in any other program. The poisson is only defined to support natural numbers, thus decimals and negatives are not allowed.