How can I write a loop to replace all values in a pandas column "x" that are 3 to 4? I tried:
for i in df['x']:
if i == 3:
i = 4
else:
i = i
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`df[df['x'] == 3, 'x'] += 1` – cs95 Feb 19 '19 at 02:09
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2`df['x'].replace({3:4})` – BENY Feb 19 '19 at 02:19