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The road to a good monitoring and evaluation system is paved with a sound baseline survey. A survey is an integral part of effective data collection and analysis. While it…
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…
Data Governance
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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…
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…
Data visualization is a great way to represent huge amounts of data in a simple and intuitive fashion. All data visualizations have the same goal: help viewers easily grasp information…
The most challenging part about designing any survey is to identify and create the right set of questions. Typically, there are two types of survey questions – open-ended questions and…
Data Analyst / Scientist
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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…
“A little knowledge that acts is worth infinitely more than much knowledge that is idle.” –Kahlil Gibran Scalability, at the end of the day, has a lot to do with…
Anu Acharya is founder and CEO of MapMyGenome India, a Hyderabad-based genomics company. GenomePatri, its flagship product, helps you discover your genetic predisposition – what diseases you are likely to…
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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…
“A little knowledge that acts is worth infinitely more than much knowledge that is idle.” –Kahlil Gibran Scalability, at the end of the day, has a lot to do with time management. Every little act that results in improved efficiency counts when you’re trying to scale a process or an organization. Yet organizations have come to embrace so many inefficient…
Observational data is a valuable form of research that can give researchers information that goes beyond numbers and statistics. In general, observation is a systematic way to collect data by…
One of the first things we are taught in Programming 101 is to write a well-structured and commented code. And as any newbie would, we ignore this lesson and focus…
Once your data is structured and cleaned at a basic level, you may need to carry out a series of functions across your data set. Delimiting and concatenating are two simple operations that will help you manipulate your data and make it ready for analysis. Delimiting Data Delimiting data is helpful to automate data segregation. Imagine you are analyzing responses…
What is an outlier? In short, it’s a data point that is significantly different from other data points in a data set. The long story? There isn’t a strong mathematical…
The most challenging part about designing any survey is to identify and create the right set of questions. Typically, there are two types of survey questions – open-ended questions and…
You want to collect all the relevant data about your program, but you also want to be judicious about it. Otherwise you’ll end up being overwhelmed by data. Remember, there is a cost to collecting and processing every data point. Just because the cost of collecting a certain data point doesn’t seem very high, that doesn’t mean that it is…
Nothing is more frustrating than wrapping up a lengthy data collection exercise, aggregating all the data and looking through it, only to find missing data. At best, these missing values…
What Is a Focus Group Discussion? A focus group discussion (or FGD) is a qualitative research method in the social sciences, with a particular emphasis and application in the developmental…
When I say that Impact Evaluation is history, I mean it. Some people will question this. After all, Impact Evaluation just became mainstream in the last decade, driven by great improvements in experimental design methods like randomized control trials (RCTs). So how can I say that it’s already a thing of the past? It’s not Impact Evaluation’s fault. The world…
For data collected through both paper and digital surveys, you should conduct some basic data checks before carrying out thorough data cleaning. Keep reading for 4 basic data checks that you…
Any research is only as good as the data that drives it, so choosing the right technique of data collection can make all the difference. In this article, we will…
At the end of the day, you must come up with an an optimal solution that meets all your functional requirements while being cost-effective. If you decide to collect data using an interactive app on a smartphone, you’ll have to consider a variety of factors that will have budgetary, technological and logistical implications. They can be broadly divided into 3…
The number of villages in India is anywhere between 600,000 and one million, according to various government databases. The number and the definition of villages vary across databases, making it…
What do the Social Security Numbers in the United States, Resident Identity Card numbers in China, Aadhar Card numbers in India, and National Health Service numbers in the United Kingdom…
Imagine that you have a room filled with dozens of sleeping cats, and you want to know how many cats there are. It would also be good to know some basic insights about your new cat colony — for example, what colors the cats are and whether any of them have extra long tails. This doesn’t seem too difficult, right?…
What Is Survey Sampling? Surveys would be meaningless and incomplete without accounting for the respondents that they’re aimed at. The best survey design practices keep the target population at the…
Before investing time and money in going to the field to collect data, you need to plan for it properly. Good planning for data collection can help you capture better,…
