/Python/How to convert categorical data to numerical data in python

How to convert categorical data to numerical data in 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])

Panda categorical data into numerica

sex = train_dataset['Sex'].replace(['female','male'],[0,1])
print(sex)

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

3 votes129 views2 answers
Python 3.7.9 download
Python
0 vote134 views1 answer
405 status code django
Python
0 vote141 views1 answer
Python sort array custom comparator
Python
0 vote152 views1 answer
Months of the year python list
Python
7 votes147 views4 answers
Pandas filter rows by value
Python
0 vote151 views1 answer
Lista to txt python
Python
5 votes162 views3 answers
Os system python
Python
1 vote137 views1 answer
Simulate webcam and microphone selenium
Python
0 vote150 views1 answer
ImportError: No module named colored
Python
13 votes142 views3 answers
Change directory in python os
Python