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Rate my dog.

Real-world data rarely comes clean. Using Python and its libraries, you will gather data from a variety of sources and in a variety of formats, assess its quality and tidiness, then clean it. This is called data wrangling. You will document your wrangling efforts in a Jupyter Notebook, plus showcase them through analyses and visualizations using Python (and its libraries) and/or SQL.

The dataset that you will be wrangling (and analyzing and visualizing) is the tweet archive of Twitter user @dog_rates, also known as WeRateDogs. WeRateDogs is a Twitter account that rates people's dogs with a humorous comment about the dog. These ratings almost always have a denominator of 10. The numerators, though? Almost always greater than 10. 11/10, 12/10, 13/10, etc. Why? Because "they're good dogs Brent." WeRateDogs has over 4 million followers and has received international media coverage.

WeRateDogs downloaded their Twitter archive and sent it to Udacity via email exclusively for you to use in this project. This archive contains basic tweet data (tweet ID, timestamp, text, etc.) for all 5000+ of their tweets as they stood on August 1, 2017. More on this soon.

What Software Do I Need?

The entirety of this project can be completed inside the Udacity classroom on the Project Workspace: Complete and Submit Project page using the Jupyter Notebook provided there. (Note: This Project Workspace may not be available in all versions of this project, in which case you should follow the directions below.)

If you want to work outside of the Udacity classroom, the following software requirements apply:

You need to be able to work in a Jupyter Notebook on your computer. Please revisit our Jupyter Notebook and Anaconda tutorials earlier in the Nanodegree program for installation instructions.

The following packages (libraries) need to be installed. You can install these packages via conda or pip. Please revisit our Anaconda tutorial earlier in the Nanodegree program for package installation instructions.






You need to be able to create written documents that contain images and you need to be able to export these documents as PDF files. This task can be done in a Jupyter Notebook, but you might prefer to use a word processor like Google Docs, which is free, or Microsoft Word.

A text editor, like Sublime, which is free, will be useful but is not required.

Ensure you meet specifications for all items in the Project Rubric. Your project "meets specifications" only if it meets specifications for all of the criteria.

Ensure you have not included your API keys, secrets, and tokens in your project files.

If you completed your project in the Project Workspace, ensure the following files are present in your workspace, then click "Submit Project" in the bottom righthand corner of the Project Workspace page:

[login to view URL]: code for gathering, assessing, cleaning, analyzing, and visualizing data

[login to view URL] or [login to view URL]: documentation for data wrangling steps: gather, assess, and clean

[login to view URL] or [login to view URL]: documentation of analysis and insights into final data

[login to view URL]: file as given

[login to view URL]: file downloaded programmatically

[login to view URL]: file constructed via API

[login to view URL]: combined and cleaned data

any additional files (e.g. files for additional pieces of gathered data or a database file for your stored clean data)

Kĩ năng: Python, Ngôn ngữ lập trình R, Machine Learning (ML), Khai thác dữ liệu, Phân tích thống kê

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