Shortcuts to Python Data Analysis: Save Time and Effort

王林
Release: 2024-03-15 15:55:11
forward
712 people have browsed it

Python 数据分析的捷径:节省时间和精力

  • Use the chunksize<strong class="keylink"> parameter of </strong>pandas.read_csv() to load large files in chunks.
  • Consider using tools such as dask for parallel loading to increase speed.

Accelerate data preprocessing

  • Use the vectorize function of numpy to convert the python function into a NumPy array operation.
  • Use the .apply() and .map() methods of pandas to perform operations in parallel.
  • Convert data types to optimize calculations, such as using pandas.to_numeric() to convert an object to a number.

Improve computing performance

  • Compile Python code using numba for speed.
  • Utilize joblib for parallel computing to distribute tasks on multiple CPUs.
  • Consider using a cloud computing platform such as AWS or Azure for greater computing power.

Optimize data visualization

  • Use matplotlib's pyplot.show(block=False) option to draw the graph in the background.
  • Consider using an interactive visualization library such as plotly for richer visualizations.
  • Explore advanced visualization libraries like seaborn to create complex and informative charts.

Utilize ready-made resources

  • Utilize machine learning and statistical algorithms from libraries such as scikit-learn, statsmodels and scipy .
  • Use tools from the PyData ecosystem, such as pandas, NumPy, and Jupyter Notebook, to access a wide range of analytical capabilities and Community support.

Automated tasks

  • Using Python Scripts Automate repetitive tasks such as data extraction, preprocessing and analysis.
  • Explore workflow management tools like <strong class="keylink">ai</strong>rflow to create complex data pipelines.

Other tips

  • Optimize code to reduce memory usage and improve efficiency.
  • Use debuggers and performance analysis tools to identify bottlenecks and fix them.
  • LearnAdvanced Python features such as list comprehensions, generators, and lambda expressions to simplify your code.
  • Join online communities and forums to gain insights and support from other data analysts.

The above is the detailed content of Shortcuts to Python Data Analysis: Save Time and Effort. For more information, please follow other related articles on the PHP Chinese website!

Related labels:
source:lsjlt.com
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Popular Tutorials
More>
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template
About us Disclaimer Sitemap
php.cn:Public welfare online PHP training,Help PHP learners grow quickly!