Replacing missing values in the dataset with the mean of that particular column using SimpleImputer class.
Project description
Replacing missing values in a dataset with the mean of that particular column
Project 3 : UCS633 DATA ANALYTICS AND VISUALIZATION
Submitted By: Yash Saxena 101703627
pypi: https://pypi.org/project/missing-values-yash-saxena/
SimpleImputer Class
class sklearn.impute.SimpleImputer(missing_values=nan, strategy='mean', fill_value=None, verbose=0, copy=True, add_indicator=False)
SimpleImputer is a scikit-learn class which is helpful in handling the missing data in the predictive model dataset.It replaces the NaN values with a specified placeholder.It is implemented by the use of the SimpleImputer() method which takes the following arguments:
missing_data : The missing_data placeholder which has to be imputed. By default is NaN.
stategy : The data which will replace the NaN values from the dataset. The strategy argument can take the values – 'mean'(default),'median', 'most_frequent' and 'constant'.
fill_value : The constant value to be given to the NaN data using the constant strategy.
copy : boolean, default=True
If True, a copy of X will be created. If False, imputation will be done in-place whenever possible. Note that, in the following cases, a new copy will always be made, even if copy=False
add_indicator : boolean, default=False
If True, a MissingIndicator transform will stack onto output of the imputer’s transform. This allows a predictive estimator to account for missingness despite imputation.
Installation
Use the package manager pip to install removal system.
pip install missing-values-yash-saxena
How to use this package:
missing-values-yash-saxena can be run as done below:
In Command Prompt
>> missing_values dataset.csv
Sample dataset
a | b | c |
---|---|---|
NaN | 7 | 0 |
0 | NaN | 4 |
2 | NaN | 4 |
1 | 7 | 0 |
1 | 3 | 9 |
7 | 4 | 9 |
2 | 6 | 9 |
9 | 6 | 4 |
3 | 0 | 9 |
9 | 0 | 1 |
Output Dataset after Handling the Missing Values
a | b | c |
---|---|---|
3.777778 | 7 | 0 |
0 | 4.125 | 4 |
2 | 4.125 | 4 |
1 | 7 | 0 |
1 | 3 | 9 |
7 | 4 | 9 |
2 | 6 | 9 |
9 | 6 | 4 |
3 | 0 | 9 |
9 | 0 | 1 |
It is clearly visible that the rows,columns containing Null Values have been Handled Successfully.
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