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From: eilfh <eilfh156@posteo.de>
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Subject: [Python-de] Verstaendnisproblem
Date: Thu, 11 Feb 2021 12:35:25 +0100
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Xref: csiph.com de.comp.lang.python:5706

Hallo,=20

bin noch Anf=E4nger in python,
vielleicht sieht ein Profi mit einem Blick, wo mein Fehler liegt=20


Bsp.

x1 =3D df.loc[df.A =3D=3D '7', 'Z1']
#print(x1)   # okay, z.Bsp. 99
x2 =3D 120
x3 =3D 3
x4 =3D df.loc[df.A =3D=3D '8', 'Z1']
#print(x4)   # okay, z.Bsp. 77


d1 =3D x2 - x1     # okay 21
d2 =3D x4 - x3     # okay 74

aber:
d3 =3D d2 - d1     # --->  NaN
oder
d4 =3D (x2 - x1 + x4 - x3) # ---> NaN


ich hab schon einige "Klimmz=FCge" gemacht,
bin aber bisher an dieser vermeintlichen Banalit=E4t gescheitert



Vielen Dank im Voraus

=46rank