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With data scientist being hailed as the sexiest job of the 21st century, there has been an influx of “big data” companies, visualization tools, and other products. But unless the input data…
We use GitHub issues to keep track of all issues. Please do not report bugs or issues in this blog’s comments. Instead, post them on GitHub as an issue. Before submitting a comment…
Data Governance
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Data is most valuable when you have something to compare it to, but these comparisons aren’t helpful if the data is bad or irrelevant. Data is most valuable when you…
Graphs are elegant and powerful data structures that find application across multiple industries and organizations of varying scale. This article aims to introduce and demystify graph databases and the field…
What happens in your brain when you read a map or untangle the meaning of a new word? A complex and rapid process of interpreting environmental stimuli, signals, and context…
Numbers are everywhere and drive our day-to-day lives. We take decisions based on numbers, both at work and in our personal lives. For example, an organization may rely on sales…
Data Analyst / Scientist
View All Graphs are elegant and powerful data structures that find application across multiple industries and organizations of varying scale. This article aims to introduce and demystify graph databases and the field…
We use GitHub issues to keep track of all issues. Please do not report bugs or issues in this blog’s comments. Instead, post them on GitHub as an issue. Before submitting a comment…
The alternative data revolution isn’t about what alternative data to use. It’s about how to turn it into actionable insights. Road data for Pune, India, color-coded to show which roads…
Today hedge funds use alternative data to shape their investments. Why can’t organizations use it to shape their own future? In the fall of 2015, Chipotle (an American food chain famous…
A little over 3,800 years ago, humankind began to build the tallest structure ever known to the world until then—the Great Pyramid of Giza. Humans managed this feat without any modern technology or tools, using only ramps, ropes, levers and sheer muscle power. That too in an era where we were yet to discover the wheel, pulley or iron tools.…
Did you know that understanding the brain helps build better AI algorithms? Or that neuroscience can help validate AI techniques? Or that neuroimaging data science uses several Python packages such…
This year, over 1,000 attendees, 40 speakers, 19 sponsors, and more people from the data science and tech community witnessed the magic of The Fifth Elephant. Now, have you ever…
Graphs are elegant and powerful data structures that find application across multiple industries and organizations of varying scale. This article aims to introduce and demystify graph databases and the field of graph tech to the humans of data. Why should you care about graphs? Graphs are an elegant representation of data and cater to various use cases. As a human…
On July 20, 2019, we complete fifty years since humans officially landed on the moon for the first time in 1969. This historic feat of accomplishment is often synonymous with…
Ever wondered what led to humans taking over the skies? Sure, we all know the Wright brothers were the pioneers of controlled flight. However, do you know why two flight…
Data sets are most valuable when people can understand them. When done right, data visualization is a great way to display large amounts of information simply and intuitively. However, in…
What happens in your brain when you read a map or untangle the meaning of a new word? A complex and rapid process of interpreting environmental stimuli, signals, and context…
Sean presented a talk about how he built this app at the December 2018 edition of the Delhi userR meetup. Learn more about the meetup here, or watch his talk below. https://www.youtube.com/watch?v=c07AysEIo-g This was recorded as part of the community initiatives by SocialCops. If I told you that, according to the 2011 Census, 67% of Indian households had access to…
Data is most valuable when you have something to compare it to, but these comparisons aren’t helpful if the data is bad or irrelevant. Data is most valuable when you…
Paper-based data collection has been around as long as humans have had an interest in understanding the world around them — tick marks on parchment were used by ancient civilizations to track food inventory, and in the 1800s the first known census was collected via pen and paper. Now, digital and cloud-based systems for data collection are rapidly increasing, but…
We use GitHub issues to keep track of all issues. Please do not report bugs or issues in this blog’s comments. Instead, post them on GitHub as an issue. Before submitting a comment…
What is the first thing that comes to mind when we see data? The first instinct is to find patterns, connections, and relationships. We look at the data to find…
In our last post on Apache Airflow, we mentioned how it has taken the data engineering ecosystem by storm. We also talked about how we’ve been using it to move data across our internal systems and explained the steps we took to create an internal workflow. The ETL workflow (e)xtracted PDFs from a website, (t)ransformed them into CSVs and (l)oaded…
Even if you haven’t worked on Kubernetes, chances are you’ve at least heard or read about it. It is already one of the most popular open source projects ever, and…
At the 14 July R User Meetup, hosted at Atlan, I had the pleasure of briefly introducing the relatively new tidytext package, written by Julia Silge (@juliasilge) and David Robinson…
Landsat is without a doubt one of the best sources of free satellite data today. Managed by NASA and the United States Geological Survey, the Landsat satellites have been capturing multi-spectral imagery for over 40 years. The latest satellite, Landsat 8, orbits the Earth every 16 days and captures more than 700 satellite images per day across 9 spectral bands…
The development sector loves to measure — and maximize — its impact. Every penny spent is meant to reach beneficiaries, directly or indirectly. That means one of the biggest challenges…
Unleashing the power of alternative data to transform India’s battle against malaria Too many malaria cases, too little data Today, India is fighting one of its toughest battles against malaria. With a…
The alternative data revolution isn’t about what alternative data to use. It’s about how to turn it into actionable insights. Road data for Pune, India, color-coded to show which roads are well-lit at night. (Source: Atlan.) If there is one thing every business in the world wants, it is market intelligence. By offering an untapped source of market intelligence, alternative…
If you’re making decisions based just on internal data, you’re already behind the curve. The sudden decline of Blackberry came as a shock to the world. A year before its revenue…
Today hedge funds use alternative data to shape their investments. Why can’t organizations use it to shape their own future? In the fall of 2015, Chipotle (an American food chain famous…
What is the first thing that comes to your mind upon hearing the word ‘Airflow’? Data engineering, right? For good reason, I suppose. You are likely to find Airflow mentioned in every other blog post that talks about data engineering. Apache Airflow is a workflow management platform. To oversimplify, you can think of it as cron, but on steroids! It…
Numbers are everywhere and drive our day-to-day lives. We take decisions based on numbers, both at work and in our personal lives. For example, an organization may rely on sales…
Data collection is a minefield of errors. It doesn’t matter whether you’re a researcher with one survey in the field, an NGO with 10 data collection drives per month, or…
Today’s news is filled with stories of data misuse — for example, Cambridge Analytica harvesting personal data via Facebook and Amazon, Facebook’s Android app logging metadata on every call and text, and Grindr revealing its users’ HIV status to third parties. These companies are being roundly criticized for misusing their users’ data. In the midst of this uproar, companies are…
Imagine that you want to understand why your mother loves making pancakes for breakfast. You could sneak around the kitchen, tracking when and how she makes pancakes, or you could…
When discussing data collection, outliers inevitably come up. What is an outlier exactly? It’s a data point that is significantly different from other data points in a data set. While…
