dataframe condition and
dataframe condition and
xxxxxxxxxxdf1 = df[(df.a != -1) & (df.b != -1)]df2 = df[(df.a == -1) | (df.b == -1)]Source: stackoverflow.com
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xxxxxxxxxxdf['color'] = ['red' if x == 'Z' else 'green' for x in df['Set']]Source: stackoverflow.com
xxxxxxxxxxdf.loc[df['column name'] condition, 'new column name'] = 'value if condition is met'Source: datatofish.com
xxxxxxxxxxdf.loc[df['age1'] - df['age2'] > 0, 'diff'] = df['age1'] - df['age2']Source: stackoverflow.com
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