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Data Science: Essential Terms You Must Know
Data ScienceMachine LearningData Analytics

Data Science: Essential Terms You Must Know

Essential Terms of Data Science

Andrii Chornyi

by Andrii Chornyi

Data Scientist, ML Engineer

Nov, 2023
7 min read

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Data Science: Essential Terms You Must Know

Introduction

Data Science stands at the forefront of extracting actionable insights from vast and diverse datasets. This interdisciplinary field, rich in science terms, harmoniously blends statistics, computer science, and domain expertise to interpret complex data. For newcomers and enthusiasts alike, grasping fundamental terms of data science is vital for navigating and understanding its landscape.

Brief Outline

In this article, we delve into ten foundational terms in data science. These terms are pivotal in shaping the foundational knowledge required in this field and provide a stepping stone for further exploration and understanding of science terms in data science.

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Basic Data Science Terms

Data Cleaning

At the very foundation of data science is Data Cleaning, a critical first step in the analysis process. It involves correcting or removing incorrect, corrupted, irrelevant, or incomplete data within a dataset. This process often requires applying algorithms to ensure data consistency and accuracy, which is essential for reliable data analysis.

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Data Visualization

Data Visualization, a key aspect of presenting science terms in a comprehensible manner, is the art and science of transforming data into intuitive graphical representations, like charts and graphs, including Box Plots. Box Plots are particularly useful for depicting distributions of data and identifying outliers.

Explore more about Data Visualization with ease by starting with the Visualization in Python with matplotlib course.

Statistics

Statistics, a crucial science term in data science, provides the methods and principles for collecting, analyzing, interpreting, and presenting empirical data. In data science, understanding statistical measures like mean, median, variance, and standard deviation is crucial for making informed decisions based on data, especially in areas like Regression and Classification.

Explore more about Statistics with ease by starting with the Learning Statistics with Python course.

Business Intelligence (BI)

Business Intelligence refers to the technological strategies and tools used by companies for data analysis of business information. BI encompasses a range of tools and methodologies that enable organizations to collect and analyze Big Data from internal and external sources.

Data Analysis

Data Analysis, a cornerstone of data science, involves various techniques and processes to handle data and extract meaningful insights.

Machine Learning

Machine Learning, an integral part of data science, involves developing algorithms that enable computers to learn from and make predictions or decisions based on data. Techniques like Regression and Classification are fundamental in Machine Learning, enabling the creation of predictive models from data.

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Data Modeling

Data Modeling involves creating a visual representation of a system or database. It is used to define and analyze data requirements needed to support the business processes and is essential in ensuring efficient and accurate data storage and retrieval.

Big Data

Big Data refers to extremely large datasets that traditional data processing software cannot manage efficiently. Big Data technologies include massive parallel processing databases and Hadoop clusters, which are critical for handling and analyzing vast amounts of data.

Data Mining

Data Mining involves exploring and analyzing large datasets to discover meaningful patterns, trends, and relationships. It is an interdisciplinary subfield that blends techniques from machine learning, statistics, and database systems, often utilizing algorithms for pattern recognition and insight discovery in Big Data.

Deep Learning

Deep Learning, the most complex term in this list, is a subset of machine learning inspired by the structure and function of the brain's neural networks. It is used for learning from data in Big Data and has been instrumental in advancing fields like computer vision and natural language processing.

Explore more about Deep Learning with ease by starting with the Introduction to Neural Networks course.

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Conclusion

These ten terms represent the foundational lexicon of data science, from basic data handling to sophisticated analytical techniques involving key science terms. Understanding these terms not only provides a solid foundation for those entering the field but also enhances the ability to communicate effectively within the data science community. As data continues to play a pivotal role in decision-making and innovation across industries, the importance of these terms and their applications in Big Data is ever-increasing.

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FAQs

Q: What is the difference between Data Mining and Machine Learning?
A: Data Mining focuses on discovering patterns in large datasets using Algorithms, while Machine Learning uses those patterns to make predictions or decisions, often employing techniques like Regression and Classification.

Q: How does Data Modeling contribute to Data Science?
A: Data Modeling is crucial for designing the structure of databases and systems, ensuring efficient data storage and retrieval, which is fundamental for any data analysis task, especially in Big Data.

Q: Why is Big Data important in the context of Data Science?
A: Big Data allows for the processing and analysis of vast and complex datasets, leading to more accurate predictions, better decision-making, and uncovering hidden patterns, utilizing advanced science terms and concepts.

Q: What makes Deep Learning different from traditional Machine Learning?
A: Deep Learning uses complex neural networks to learn from large amounts of unstructured data in Big Data, often achieving higher accuracy in tasks like image and speech recognition.

Q: In what way is Business Intelligence (BI) integral to Data Science?
A: BI involves using data analysis tools to understand and improve business operations, making it a crucial component for any data-driven decision-making process in organizations, especially when dealing with Big Data.

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