/Python/Convert categorical variable to numeric python

Convert categorical variable to numeric python

Transform categorical variables python

from sklearn.preprocessing import LabelEncoder

lb_make = LabelEncoder()
obj_df["make_code"] = lb_make.fit_transform(obj_df["make"])
obj_df[["make", "make_code"]].head(11)

Source: pbpython.com

Convert categorical variable to numeric python

# get all categorical columns in the dataframe
catCols = [col for col in df1.columns if df1[col].dtype=="O"]

from sklearn.preprocessing import LabelEncoder

lb_make = LabelEncoder()

for item in catCols:
    df1[item] = lb_make.fit_transform(df1[item])

Pandas categorical to numeric

#this will label as one hot vectors (origin is split into 3 columns - USA, Europe, Japan and any one place will be 1 while the others are 0)
dataset['Origin'] = dataset['Origin'].map({1: 'USA', 2: 'Europe', 3: 'Japan'})

Source: tensorflow.org

How to convert categorical data to numerical data in python

pd.get_dummies(obj_df, columns=["body_style", "drive_wheels"], prefix=["body", "drive"]).head()

Source: pbpython.com

How to convert categorical data to numerical data in python

obj_df["body_style"] = obj_df["body_style"].astype('category')
obj_df.dtypes

Source: pbpython.com

Similar codes

0 vote320 views1 answer
Django clodinarystorage
Python Django
1 vote224 views1 answer
Multidimensional Java Array
Python
0 vote220 views1 answer
Removing stop words in python
Python
0 vote191 views1 answer
How to print list without newline
Python
2 votes209 views1 answer
How to start ftpd server with python
Python
0 vote320 views2 answers
Convert numpy array to HSV cv
Python
0 vote212 views1 answer
Python best docstring format
Python
1 vote192 views1 answer
Sql alchemy engine all tables
Python
17 votes200 views5 answers
Python input integer
Python
10 votes198 views3 answers
Django make migrations
Python