Coding Education Life STEM Work

An important personal milestone: Hello Arduino!

Today marks another special day in my humble life’s timeline. Today, my first ever book went live worldwide on (+ .uk, .de, .fr, .es, .it, .nl, .jp, .br, .ca, .mx, .au, .in as per different markets) in both eBook and paperback formats. The book titled “Hello Arduino!” is a fun book for anyone (12 […]

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Analytics Education STEM Work

A Risk Assessment Map—my approach

I’ve seen many pretty risk assessment maps over time. The issue I see with most of them is that they’re more of an illustration than a method meaning, they’re customized visuals with manual graphics that don’t scale well for different projects. In the post, I’ll share my approach…it’s based on applying basic statistical concept, development […]

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There’s no formula for that! Grab a snippet of data-set.

Often I find myself working with a subset of the full dataset for experimentation, trials, and exemplification. For instance, my dataset may have 33,000 records but I want to work with about 100 records first in a separate sheet. Sure, I could (as most do) select the desired columns and continue to scroll down to […]

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Education STEM Work

Clean & glean from raw transaction data

You’ve just been delivered some raw transactional data from a new salon owner, who’s very optimistic about her new business but also cautious. She wants to understand her customers, patterns during the day and week so she can adjust her prices, staffing, scheduling, stocking, and more. Your objective: Based on the raw transaction records dump, […]

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