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Remove outlier using IQR

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Ajit Mane answered on October 26, 2021 Popularity 8/10 Helpfulness 6/10

answer Remove outlier using IQR

related IQR to remove outlier

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Remove outlier using IQR

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def remove_outlier(df_in, col_name):
q1 = df_in[col_name].quantile(0.25)
q3 = df_in[col_name].quantile(0.75)
iqr = q3-q1 #Interquartile range
fence_low  = q1-1.5*iqr
fence_high = q3+1.5*iqr
df_out = df_in.loc[(df_in[col_name] > fence_low) & (df_in[col_name] < fence_high)]
return df_out

re_dat = remove_outlier(stepframe, stepframe.columns)

Popularity 8/10 Helpfulness 6/10 Language python

Source: stackoverflow.com

Tags: iqr python using

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Contributed on Nov 08 2022

Ajit Mane

0 Answers Avg Quality 2/10

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IQR to remove outlier

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np.random.seed(33454)
stepframe = pd.DataFrame({'a': np.random.randint(1, 200, 20), 
                          'b': np.random.randint(1, 200, 20),
                          'c': np.random.randint(1, 200, 20)})

stepframe[stepframe > 150] *= 10
print (stepframe)

Q1 = stepframe.quantile(0.25)
Q3 = stepframe.quantile(0.75)
IQR = Q3 - Q1

df = stepframe[~((stepframe < (Q1 - 1.5 * IQR)) |(stepframe > (Q3 + 1.5 * IQR))).any(axis=1)]

print (df)
      a    b     c
1   109   50   124
3   137   60  1990
4    19  138   100
5    86   83   143
6    55   23    58
7    78  145    18
8   132   39    65
9    37  146  1970
13   67  148  1880
15  124  102    21
16   93   61    56
17   84   21    25
19   34   52   126

Popularity 9/10 Helpfulness 3/10 Language python

Source: stackoverflow.com

Tags: python iqr pyth

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Contributed on Oct 26 2021

Energetic Eagle

0 Answers Avg Quality 2/10

how to remove outlier by using iqr?

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import numpy as np

def remove_outliers_iqr(data):
    q1 = np.percentile(data, 25)
    q3 = np.percentile(data, 75)
    iqr = q3 - q1

    lower_bound = q1 - 1.5 * iqr
    upper_bound = q3 + 1.5 * iqr

    filtered_data = [x for x in data if x >= lower_bound and x <= upper_bound]
    return filtered_data

# Example usage
data = [5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 200]
filtered_data = remove_outliers_iqr(data)
print(filtered_data)

Popularity 3/10 Helpfulness 2/10 Language python

Source: chat.openai.com

Tags: python using

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Contributed on Jul 10 2023

Vast Vendace

0 Answers Avg Quality 2/10

Remove outlier using IQR

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