In Pandas, "DataFrame" I want to add column of ones in my Data Frame I have tried certain things like trying to add "df["c1"] = df["c1"].list(1)" but nothing works. thank you
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`df["c1"] = 1` is simpliest – jezrael May 03 '23 at 08:53
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Can you add some data sample and expected ouput? From question is not clear what need. – jezrael May 03 '23 at 09:08
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I wanted to plot the 1 when the price is greater than previous close. And your method worked good. – Ali May 03 '23 at 10:43