Lecture Note
University
Princeton UniversityCourse
Bitcoin and Cryptocurrency TechnologiesPages
2
Academic year
19
anon
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21
Types of Visualizations Visualizations play a number of different roles in data science Data research is not complete without data visualization. When complex data is presented in an aesthetically pleasing and simple-to-understand fashion, it helps us study and interpretdata more effectively. Data science use visualization to assist find patterns, spot trends, andconvey insights to non-technical stakeholders. The numerous applications of data visualization in data science, the various types of data visualization, and the significance of exploratory data visualization will all be covered in thisarticle. You will have a better knowledge of how visualizations can benefit you in datascience at the end of this essay. Categorizing Data Visualization There are two key ways to categorize data visualization: conceptual and data-driven. Conceptual visualization aims to explain how things work conceptually without using realdata, whereas data-driven visualization uses real data to illustrate patterns, trends, andrelationships. Conceptual Visualization Conceptual visualization is crucial in data science when we want to explain concepts and theories visually. For example, economists may seek to visualize the notion of the classicsupply and demand curve without using real data. The visualization could be hypothetical,but it should be backed up with data supporting the concept. In this case, data could be usedto support the idea of Uber surge pricing. Data-Driven Visualization As data scientists, we spend a lot of time creating data-driven visualizations. It enables us to provide to our audience our data-supported judgments in the clearest way possible.Declarative and exploratory data-driven visualization are the two different types. Declarative Visualization
Declarative visualization gives findings that are supported by evidence. After analyzing the data, we aim to present our conclusions to the audience in the simplest way feasible.Declarative visualizations are intended to communicate this conclusion to the viewer in themost straightforward manner feasible. For instance, we could wish to discuss studies thatfound that peer instruction significantly reduced failure rates for students in computerscience programs at UC San Diego when compared to traditional training. Our intention is todemonstrate how peer instruction affected the failure rates in our classrooms. Exploratory Visualization The second sort of data-driven visualization is exploratory visualization. It is essential for exploring data since it allows us to go deeper into the information and motivates us to keeplooking. While using exploratory data visualization, we frequently pore over the data insearch of anomalies or trends that could point to patterns and linkages. We won't spend asmuch time on presentation when building exploratory data visualizations as long as we canunderstand it. To quickly investigate various correlations, we frequently want to be able toquickly put in various data points from our data collection into the figure. The Importance of Exploratory Data Visualization Exploration is at the heart of the data science process. It is how we find outliers or trends and identify patterns and relationships. The ability to explore data effectively is critical to thesuccess of any data science project. Exploratory data visualization enables us to view ourdata in different ways, to spot trends and outliers, and to test hypotheses. Conclusion: Data visualization is crucial to data science, to sum up. It enables us to examine data in many ways and improves our ability to evaluate and comprehend data. It also helps uscommunicate insights to stakeholders who are not technical. It is helpful to divide datavisualization into conceptual and data-driven categories since it allows us to choose the bestform of visualization for each project. Declarative visualization delivers findings supported bydata in the clearest possible terms, whereas exploratory visualization is essential forexamining data and spotting trends and anomalies. This knowledge will enable datascientists to produce effective visualization.
Types of Visualizations
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