This content originally appeared on DEV Community and was authored by Ramya .C
Last week was an amazing and productive one in my Data Analytics learning path. I decided to focus deeply on 🐼 Pandas, one of the most powerful Python libraries for data analysis and manipulation.
Throughout the week, I explored how to clean messy data, transform it into meaningful insights, and organize it for better understanding. Every day brought new challenges — from handling null values to creating pivot tables — and each concept helped me think more like a real data analyst.
Github:https://github.com/ramyacse21/Pandas_workspace
🧠 What I Explored
✨ Series & DataFrames
I learned how to create Series and DataFrames, the basic building blocks of Pandas. Understanding how to index, access, and modify data helped me manage datasets more efficiently.
📂 Reading & Writing Files
Explored how to read and write files in multiple formats like CSV, Excel, JSON, XML, and text. This made me realize how flexible Pandas is when it comes to importing data from different sources.
🧹 Data Cleaning
This part was challenging but fun! I learned how to handle:
- Null or empty values
- Duplicates
- Data type mismatches
- Adding and removing columns or rows
Now, I understand that data cleaning is one of the most important steps before any analysis.
🔤 String Operations
Discovered several string operations like upper(), lower(), strip(), split(), swapcase(), and len(). These were super useful for transforming messy text data into a clean and uniform format.
🔍 Filtering & Slicing
Learned how to select specific parts of data using conditions and slicing. This made analyzing large datasets much easier and faster.
📊 Pivot Tables
I also learned how to create pivot tables to summarize data efficiently — such as calculating averages or totals for each category.
🛠️ Map vs Filter
Finally, I explored map() and filter() functions — both powerful tools for applying logic and transformations to data columns.
💻 My Practice & Projects
I practiced each concept with multiple real-time datasets, experimenting with data cleaning, transformation, and visualization.
You can check out all my programs here:
👉
🌱 My Key Takeaway
This week reminded me that learning by doing is the best approach in Data Analytics. Each small project boosted my confidence and made me realize how important it is to understand data step by step before applying advanced techniques or visualization tools.
I’m excited to continue this journey and dive deeper into Power BI, SQL, and advanced analytics in the coming days!
RamyaAnalyticsJourney #DataAnalytics #Python #Pandas #DataCleaning #DataTransformation #LearningByDoing #CareerGrowth
This content originally appeared on DEV Community and was authored by Ramya .C
Ramya .C | Sciencx (2025-10-13T09:20:06+00:00) 🚀 Last Week in My Data Analytics Journey !. Retrieved from https://www.scien.cx/2025/10/13/%f0%9f%9a%80-last-week-in-my-data-analytics-journey-2/
Please log in to upload a file.
There are no updates yet.
Click the Upload button above to add an update.