[PYTHON] How to replace with Pandas DataFrame, which is useful for data analysis (easy)

Personal notes you see when doing data replacement in pandas.

Conclusion

data_x = features_df
data_x.width = data_x.width.replace('Very expensive', 333)

Now you can replace'very expensive' with 333

Recommended Posts

How to replace with Pandas DataFrame, which is useful for data analysis (easy)
How to use data analysis tools for beginners
[For beginners] How to study Python3 data analysis exam
How to convert horizontally held data to vertically held data with pandas
How to extract non-missing value nan data with pandas
How to extract non-missing value nan data with pandas
How to deal with imbalanced data
How to deal with imbalanced data
How to Data Augmentation with PyTorch
[Stock price analysis] Learn pandas with Nikkei 225 (004: Change read data to Nikkei 225)
[Pandas] I tried to analyze sales data with Python [For beginners]
How to visualize where misclassification is occurring in data analysis classification
[Pandas] What is set_option [How to use]
[Python / Pandas] A bug occurs when trying to replace a DataFrame with `None` with` replace`
How to reassign index in pandas dataframe
Try converting to tidy data with pandas
How to use "deque" for Python data
Replace column names / values with pandas dataframe
How to read problem data with paiza
How to access data with object ['key'] for your own Python class
Best practices for messing with data with pandas
Useful for changing permissions on Linux! How to count up to 31 with one hand.
5 Reasons Processing is Useful for Those Who Want to Get Started with Python
The first step to log analysis (how to format and put log data in Pandas)
[Introduction to Python] How to get the index of data with a for statement
Data analysis for improving POG 2 ~ Analysis with jupyter notebook ~
Try to aggregate doujin music data with pandas
[Python] How to read excel file with pandas
How to scrape horse racing data with BeautifulSoup
An introduction to statistical modeling for data analysis
[Introduction to minimize] Data analysis with SEIR model ♬
I tried to make OneHotEncoder, which is often used for data analysis, so that it can reach the itch.
Save pandas data in Excel format to data assets with Cloud Pak for Data (Watson Studio)
How to use xgboost: Multi-class classification with iris data
How to scrape image data from flickr with python
Masks are useful for searching within Pandas data frames
Extract N samples for each group with Pandas DataFrame
How to scrape horse racing data using pandas read_html
Reading Note: An Introduction to Data Analysis with Python
Data analysis environment construction with Python (IPython notebook + Pandas)
How to access with cache when reading_json in pandas
How to get more than 1000 data with SQLAlchemy + MySQLdb
How to extract null values and non-null values with pandas
How to output CSV of multi-line header with pandas
How to convert JSON file to CSV file with Python Pandas
[Python] How to deal with pandas read_html read error
Let's play with JNetHack 3.6.2 which is easier to compile!
Scraping with Python-Selenium is old! ?? ・ ・ ・ How to use Pyppeteer
Data analysis with python 2
How to use Pandas 2
Data visualization with pandas
Data manipulation with Pandas!
Shuffle data with pandas
Data analysis with Python
Convert from Pandas DataFrame to System.Data.DataTable using Python for .NET
Try to display various information useful for debugging with python
Generate a password that is easy to remember with apg
[Pandas] If the first row data is in the header in DataFrame
Ingenuity to handle data with Pandas in a memory-saving manner
How to implement 100 data science knocks for data science beginners (for windows10 Home)
20200329_Introduction to Data Analysis with Python Second Edition Personal Summary