[R] shape parameter in 'normalp'

[R^2]

hi,

i tried to fit the GED for my sample. when doing this without the package
normalp i received a shape parameter p of about 0.5, whereas 'paramp' told
me that p is 1 sharp. for a leptokurtic shape p should be in a range of
0<p<2. i don't understand why it isn't possible to implement the GED with a
shape parameter less than 1. i'd like to create a q-q-plot with 'qqnormp'
with p=0.5. what can i do?

regards

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