Part 6: Data Manipulation in String and Text Processing
Author(s): Raj kumar Originally published on Towards AI. If you’ve ever worked with real-world data, you know the struggle. Names come in all caps when they should be title case. Email addresses have trailing spaces. Phone numbers show up in a dozen …
Part 5: Data Manipulation in Data Transformation
Author(s): Raj kumar Originally published on Towards AI. By the time we reach transformation in a data pipeline, the dataset usually appears stable. It has been imported with structure, inspected with skepticism, selected with intent, and cleaned through deliberate intervention. At this …
Part 4: Data Manipulation in Data Cleaning
Author(s): Raj kumar Originally published on Towards AI. There is an assumption many teams carry without fully examining it. Data cleaning feels responsible.It feels corrective.It feels like a necessary step to improve data quality before analysis or machine learning begins. But data …
Agent Observability and Evaluation: A 2026 Developer’s Guide to Building Reliable AI Agents
Author(s): Divy Yadav Originally published on Towards AI. Why building agents without this layer is like driving blind. And how to fix it. You know exactly where to look when traditional software malfunctions. line number, stack trace, and error log. You’ll find …
Exploring Urban Street Networks Through Graph Metrics
Author(s): Ahmed Boulahia Originally published on Towards AI. Why is Tunis traffic so bad? Urban Planning Analysis of Tunis Traffic Congestion, A Geospatial Study using Python OSMnx and OpenStreetMap to Analyze Street Connectivity, Road Network Entropy, and Infrastructure Bottlenecks. If you live …
Retrieval-Augmented Forecasting of Time-series
Author(s): DrSwarnenduAI Originally published on Towards AI. RAFT proves that time series forecasting doesn’t need bigger weights — it needs a better library card Here’s the thing about The Cheesecake Factory menu: it’s 21 pages long. New Frontier in Time seriesThe article …
Link Decay Prediction in Affiliate Marketing: Turning “Alive” URLs into a Time Series Monitoring Problem
Author(s): Hernan M Originally published on Towards AI. Key Takeaways Affiliate link health isn’t binary, even if most dashboards force it into green/red. A link can be “up” and still be quietly losing a third of your traffic. The strongest signal I’ve …
Essential Python Libraries for Data Science
Author(s): Raj kumar Originally published on Towards AI. If you look closely at real-world tabular machine learning systems, a clear pattern emerges. Across industries, datasets, and problem domains, the same class of models keeps appearing in production environments. It is not deep …
Essential Python Libraries for Data Science
Author(s): Raj kumar Originally published on Towards AI. In Part 1, we focused on how data is represented, transformed, and computed using NumPy and Pandas. By the end of that part, the dataset was clean, structured, and numerically stable. In Part 2, …
Essential Python Libraries for Data Science
Author(s): Raj kumar Originally published on Towards AI. In Part 1, we built the foundations of the data pipeline. We loaded a real dataset, structured it using Pandas, selected relevant features, and performed numerical transformations using NumPy. By the end of Step …
What If I Told You the Most Powerful Algorithm in Statistics Is Just… Guessing?
Author(s): Kamrun Nahar Originally published on Towards AI. I stared at the Wikipedia page for MCMC for forty-five minutes. The page had seventeen Greek letters in the first paragraph. I understood exactly zero of them. Three years later, I can tell you …
Your Sentence Has a Secret Structure. Here’s How GPT Sees It.
Author(s): Rohini Joshi Originally published on Towards AI. Image Generated by ChatGPT The sentence “dog bites man” and “man bites dog” contain the exact same words. A Transformer without positional encoding would treat them as identical. Here’s how modern LLMs learn word …
What RAGAS Doesn’t Tell You — RAG Evaluation From Scratch With Ollama
Author(s): Vikram Bhat Originally published on Towards AI. Evaluating a RAG Pipeline From Scratch — No RAGAS, No OpenAI, Fully Local How to build a reusable RAG evaluator using Ollama and LLM-as-judge that actually tells you where your pipeline breaks Rag Evaluation …
Cutting Batch Release from 14 Days to 3: A Case Study in Multi-Agent AI for Pharmaceutical Manufacturing
Author(s): Saif Ali Kheraj Originally published on Towards AI. How agentic AI architectures can compress decision cycles in regulated manufacturing with a practical implementation blueprint using CrewAI. Every contract pharmaceutical manufacturer faces the same operational bottleneck. After a medicine batch completes production …
JSON Tool Calling Is Dead. Here’s What Replaces It
Author(s): MKWriteshere Originally published on Towards AI. Anthropic just made code-based tool orchestration the default path forward. Hugging Face saw this coming in December 2024. Here’s a pattern you’ll notice if you watch the AI industry closely enough: the open-source community figures …
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