Operational Data Visualization for an Internet Company

Pengfei Wang

Data Analyst
Python
SQL
Tableau
Project Scope:
In this engagement, I served as the principal data analyst in charge of processing, interpreting, and visualizing operational data for an internet company. The company had a substantial data pool but found it challenging to extract valuable insights due to the raw and unstructured nature of data.
Data Preprocessing:
One of the primary tasks was data preprocessing, which involved cleaning and transforming the data into a more readable format. This included removing unwanted data points, filling missing data, and formatting the data for the successive steps.
Data Interpretation:
Once the data was prepared, I used statistical tools to find trends, patterns, and anomalies within the operational data. I used techniques like regression analysis, correlation analysis, and time-series forecasting to bring more structure to the data and data-driven insights.
Data Visualization:
The core of this project was data visualization. Using powerful tools like Tableau and PowerBI, I created interactive dashboards and reports. These visuals depicted the performance of various operations within the company, including web traffic, user engagement, system downtime, etc.
Findings and Recommendations:
Through these visual representations, I was able to highlight areas of success and those requiring attention for internet company operations. Some issues unearthed, for example, were periods of high website downtime and decreased speed during peak user times.
Conclusion and Impact:
With the dashboards and reports, the company could monitor their operational performance consistently and act on areas needing improvement. This significantly increased their efficiency and performance overtime, attesting to the effectiveness of our data visualization process.
This project exemplified how data, when processed and visualized correctly, can powerfully impact operational efficiency and guide decision-making.
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