Earth Scientist & Bicycle Traveler | krishnakrao.github.io

Why (and how) to avoid perceptually non-uniform colormaps

Photo by Pawel Czerwinski on Unsplash

Information is not knowledge.

Information can be converted into knowledge if patterns underlying the information are well understood. In today’s day and age of fast-paced advances in science and technology, one of the key information sources is data. It is hardly surprising then that we produce a lot of it…

Bicycling on opening day- pictures, itinerary, and planning tips

Picture by the author (like all other pictures).

Yosemite has always held a special place in my heart. From the mammoth granite peaks to the crystal clear alpine lakes, from the beautiful wildlife to the giant sequoia trees, from the starry nights to spectacular sunsets, each time I visit the park, it captivates me in a new way.

History, geography, and cultures of Southern Utah explored on a bicycle

Image by author (like all other images in this story).

When we picture our planet Earth, we usually think about lush green forests, tall white mountains, vast blue oceans, or icy regions of the poles. But rarely do we think about high-altitude deserts. That might be because we tend to view deserts as largely unexplored, barren lands with barely any…

Graphical explanation of the squared Pearson correlation coefficient and coefficient of determination to help you spot statistical lies

Difference between the Pearson correlation coefficient and the coefficient of determination. Image by author.

Picture this- You are a stock analyst responsible for predicting Walmart’s stock price ahead of its quarterly earnings report. You are hard at work just when your data scientist walks in saying they discovered a little-known data stream providing daily Walmart parking lot occupancy that seems well correlated with Walmart’s…

Satellites + AI = Never-seen-before Information

Maps display the amount of water in plants relative to dry biomass across the American West. Lower the number, drier the vegetation, greater the risk of wildfire, and vice-versa. Image by author.

Forest wildfire risk is increasing in the western United States. In the past five decades, large wildfire frequency and the area destroyed have risen by more than four and six times, respectively. …

A guide to become RA/TA with sample cover letters

Photo by Joanna Kosinska on Unsplash

College and grad school are incredibly expensive. In fact, cost remains the number one reason people delay or avoid school. While universities typically offer fellowships or scholarships to bright students, not everyone among us is as fortunate.

Assistantships, however, are accessible to everybody. Furthermore, research assistants (RA) and teaching assistants…

Don’t make your audience squint

Use the right size for the right occasion. Photo by Jessica Ruscello on Unsplash

Have you ever sat in a presentation and squinted at the slides struggling to read charts with tiny text? Or worse, encountered a blurry figure in a poster making it impossible to read the axes? Too often people tend to reproduce the same figure across different mediums like articles on…

Krishna Rao

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