M.A. Economics, Jawaharlal Nehru University, Delhi
B.A. (Honours) Economics, Sri Guru Gobind Singh College of Commerce, University of Delhi
Econ One Research India Pvt. Ltd., Principle Economist, Aug 2022 - Present
Econ One Research India Pvt. Ltd., Economist, Jan 2020 - 2022
Econ One Research India Pvt. Ltd., Senior Economic Analyst, Apr 2017 - Dec 2019
KPMG Global Services Pvt Ltd., Jan 2015 - Apr 2017
India Development Foundation, Jul 2012 - Jan 2015
Imagine you’re building an autonomous vehicle. Your artificial intelligence (“AI”) system relies on a vast dataset of images to identify pedestrians, road signs, and obstacles. If the training data is marred by mislabeled images or inaccuracies, the AI’s ability to navigate safely becomes dubious. This is the essence of the “Garbage In, Garbage Out” (GIGO) principal. In the AI and ML universe, the quality of the input data directly dictates and influences the quality of the output. High-quality, consistent, and reliable data ensures that AI systems can learn effectively, make accurate predictions, and deliver optimal business outcomes.
A data quality strategy is crucial. It’s the bedrock of any reliable AI system. But what happens when your data is flawed? Chaos. I’ve seen projects crumble due to poor data integrity. It’s a lesson no one forgets. There are several notable examples where poor data quality and lack of diversity in training datasets have led to biased and unreliable outcomes in AI systems. For example, the Correctional Offender Management Profiling for Alternative Sanctions (COMPAS) algorithm used in the U.S. criminal justice system was found to be biased against African Americans. An article published by ProPublica in 2016 revealed that the algorithm disproportionately assigned higher risk scores to black defendants compared to white defendants, predicting that they were more likely to reoffend. This bias was due to the algorithm being trained on historical crime data, which reflected systemic biases in the justice system. A similar example exists with Microsoft’s AI chatbot Tay, launched as a Twitter bot in 2016, which was designed to learn from interactions with users. However, within 24 hours, Tay began posting offensive and racist tweets forcing Microsoft to shut down Tay only 16 hours after its launch. This was because Tay’s learning algorithm was manipulated by users who fed it biased and inappropriate data, demonstrating how poor data quality and malicious input can lead to unreliable and harmful AI behavior. These examples underscore the importance of maintaining data quality and consistency for AI systems that can have a far-reaching impact on real world outcomes.
In this blog, we will delve into the critical issue of data quality and consistency, how they can undermine AI systems, and discuss mitigation strategies with illustrative examples.
So, what is Data Quality? Data Quality refers to the condition of a dataset and its suitability to serve its intended purpose. Poor quality data even when paired with the most advanced and sophisticated models will still yield results unfit for intended outcomes. Decisions based on the most relevant, complete, accurate, and timely data have a better chance of advancing toward the intended goals.
You might be wondering; how do you distinguish between good and bad data? Below are some of main identifiers of high-quality data:
Why data consistency is important, you might ask? Data Consistency ensures that data across different databases or systems is the same. Additionally, this means that the data accurately reflects real-world values at any point in time. Assessing data consistency is simple. It involves:
Now when we understand what encompasses good data, let’s explore what happens if the data misses its mark on any of the parameters of quality and consistency noted above.
Poor data quality and inconsistency can severely hinder AI initiatives. Some common issues include:
AI models are heavily reliant on the data they are trained on. When this data is of poor quality—containing errors, inaccuracies, or irrelevant information—the resulting models are likely to produce unreliable outputs. Inaccurate predictions can lead to poor decision-making, which can have significant financial repercussions. For example:
Incomplete or skewed data can introduce biases into AI models. If the training data does not represent the diversity of the real-world population, the AI system may perpetuate and even exacerbate existing biases. This can adversely affect fairness and inclusivity. Examples include:
Poor data quality necessitates significant time and resources to clean and correct data. This can delay project timelines and reduce overall productivity. Organizations often have to allocate substantial human and technical resources to data cleansing, which can divert attention from more strategic tasks. Examples include:
Inconsistent data can lead to non-compliance with legal standards, exposing organizations to regulatory penalties and damaging their reputation. Consistent accurate data is often required to meet regulatory requirements, and failures in this area can have severe consequences. Examples include:
Good data equals good results. Bad data? Well, you get the picture now. However, there are ways to mitigate the risks associated with bad data before everything goes for a toss.
To ensure data quality and consistency and/or to improve data quality, organizations must adopt comprehensive data management strategies. This includes a data collection process that is regulated and regularly reviewed. Here are some key practices:
Example: A retail company implements data profiling tools to assess their customer database. They discover numerous duplicate records and outdated addresses. By cleaning the data, they improve their customer segmentation and targeted marketing campaigns, leading to a 15% increase in customer engagement.
Example: A healthcare provider standardizes patient records by adopting a uniform coding system for diagnoses and treatments. This ensures consistency in patient data across multiple clinics, leading to better patient care and streamlined operations. As a result, the provider sees a 20% reduction in administrative errors.
Example: A financial institution integrates customer data from various departments (loans, savings, insurance) into a unified database. Real-time synchronization ensures that any update in one department is reflected across all systems, enhancing customer service and reducing errors. This approach results in a 25% improvement in customer satisfaction scores.
Example: A manufacturing company creates a data governance council responsible for setting data standards, monitoring quality, and resolving issues. This proactive approach improves data accuracy and operational efficiency, leading to a 10% increase in production efficiency.
Example: An e-commerce platform deploys machine learning models to analyze transaction data for anomalies. These models identify unusual patterns, such as sudden spikes in returns or discrepancies in inventory levels, allowing for prompt corrective action. This approach leads to a 30% reduction in fraudulent activities.
Ensuring data quality and consistency is not a one-time task but an ongoing effort that requires a strategic approach and the right tools. By implementing robust data quality management practices, organizations can harness the full potential of AI, driving better business outcomes and maintaining a competitive edge.
Stay tuned for our next blog in the series, where we will explore another critical aspect of AI data validation!
EconOne © 2024