DEV Community: Warren Thinwar

Cohort 9 Onboarding Sessions

Warren Thinwar — Mon, 10 Aug 2026 09:35:05 +0000

Introduction

Introduction to LuxDevHq

Data is the new buzzword that every company is trying to figure out. Today I am joining an onboarding session for my new journey as a learner at LuxdevHq Cohort 9 Program, that starts today 10th of August. This article covers my experience at LuxDevHq's onboarding session for my cohort

List of Items Learned

Here are some of the areas I have discovered today;

I love baking
Wesley is a marketer

Additionally, we have also learned that:

Luxdev offers a course for free after the first course.
Moses has serious hobbies and Joker has hobbies, and both hobbies cannot compete

Stephen gave us a quote:

I Came, I Saw, I Conquered!
By Stephan

Writing Lines Of Code

Here is a practical example of a line of code I will be using in class to practice SQL:

SELECT * FROM cohort9.applications;

Writing a block of code

Here is an example of an SQL Block that I wrote during onboarding session

SELECT student_name,
FROM cohort9.Applications,
WHERE student_name = "Mark"

Photo Session

We also had a photo session with the available students who came for the session

Adding url link

Here is a link to Luxdev's github
Luxdev

Conclusion

In conclusion, today's luxdevHQ onboarding session has been quite
informative and insightful about their programs, different ways we can write good articles, the role of articles in Tech, and how to ensure how to write a good article.

How Excel is Used in Real-World Data Analysis

Warren Thinwar — Mon, 08 Jun 2026 04:31:09 +0000

WHAT IS EXCEL?

Excel is a software used for data entry, analysis and data visualization and uses data also to generate insights from the data given

Three ways Excel is used in real-world data analysis

1.Data Cleaning

A lot of companies or organizations use data cleaning to see whether their general insights are correct and also to fix any errors in the messy data so that it can be used efficiently

Checking Performance

This means that in Excel employees can be evaluated on the work done and the amount of hours they put in their tasks so as to ensure work is done efficiently

Marketing

Excel can be used to evaluate which products are selling and record latest trends happening so that they can engage with users and expect feedback on how to improve and what areas to work on

Mention at least 3 Excel features or formulas you've learned so far and explain how they can

be applied

Mention at least 3 Excel features or formulas you've learned so far and explain how they can be applied

Sorting

Sorting lets you arrange your data alphabetically, numerically, or by date, making it much easier to spot patterns and fix mistakes

Find and Replace

By pressing CTRL + H this helps you to fix typos across the selected row and also replace text or numbers with the desired figure or text

Sum Function

By writing (=SUM) and selecting the desired rows or column this is a mathematical formula used to add and find the total figure accurately

How has learning Excel changed the way you see data?

Learning Excel completely shifted my perspective. Now, I see data as something dynamic and full of hidden stories. Instead of just seeing a list of inputs, I realize that with the right tools, you can slice through the chaos to find actual patterns and trends. It has taught me to look at information more critically—asking why numbers look a certain way and how they connect to the bigger picture. Excel transforms raw numbers into actionable insights, and it’s made me realize that data isn't just something you store; it's a powerful tool you use to make smart, informed decisions.

Intro to Data Science

Warren Thinwar — Tue, 26 May 2026 09:47:37 +0000

Anaconda

hello

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this is ok

apple
banana

Introduction

key areas in Data Science

Luxdev hq is in garden estate
Hello its me