Let's talk about data science in the context of a work of art: ### Describe a Piece of Art You Like #### What the Work of Art Is The work of art I want to describe is not a traditional painting or sculpture but a data visualization piece called "Wind Map" by Fernanda Viégas and Martin Wattenberg. "Wind Map" is a real-time, artistic visualization of wind patterns across the United States, turning complex meteorological data into a dynamic and beautiful visual experience. #### When You First Saw It I first encountered "Wind Map" a few years ago while browsing online for interesting data visualizations. It immediately caught my attention with its elegant representation of something as intangible as wind, depicted through flowing lines that change in real-time based on live weather data. #### What You Know About It "Wind Map" leverages data science to transform raw meteorological data into a visual art form. The creators use real-time wind data from the National Digital Forecast Database, which is processed and displayed on a web interface. The visualization shows wind speed and direction as continuous, flowing lines that vary in density and motion, creating an almost hypnotic effect. Fernanda Viégas and Martin Wattenberg are pioneers in the field of data visualization. Their work bridges the gap between data science and art, demonstrating how complex data can be made accessible and visually compelling. "Wind Map" updates in real-time, providing an ever-changing display that reflects current wind conditions across the country. #### Explain Why You Like It I like "Wind Map" because it exemplifies the beauty that can emerge from data science. This piece transforms raw, often overlooked data into a living work of art that is both informative and aesthetically pleasing. It shows how data science can be used not only for analysis and decision-making but also for creative expression. The visualization's real-time nature adds a dynamic element, making it more than just a static piece of art; it’s a constantly evolving canvas. This interplay between art and science, where data becomes a medium for artistic expression, is fascinating and inspiring. "Wind Map" challenges the traditional notions of what art can be and how we can experience data, making it a standout example of the innovative potential of data science.
Zulfiqar Ali Mir (PhD)’s Post
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I would like to share new #MOOC Certificate of #Spatial #data #Science #What is spatial data science?, Data analysis, Data engineering, Data visualization.. #Predictive analysis, Forest-based and Boosted classification and Regression.. #Suitability modelling in data science.. #Pattern detection and Clustering, map subjectivity and inferential statistics, #Hot spot and outlier analysis. #AI, ML, DL....Neural networks, instant segmentation, object detection, image classification, pixel(Semantic) #segmentation. #Communicating results, ArcGIS #storyMaps. 🙏 ESRI#MOOC.
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🚀💡 T-SNE: A Powerful Dimensionality Reduction Tool in Machine Learning 💡🚀 I wanted to share some insights on a fascinating technique in the world of machine learning: T-SNE (t-Distributed Stochastic Neighbor Embedding)! T-SNE is a dimensionality reduction algorithm that helps us visualize high-dimensional data in a lower-dimensional space, usually 2D or 3D, making it easier to understand and communicate the results to stakeholders2. It's particularly useful when dealing with complex data that doesn't lend itself well to linear methods like PCA (Principal Component Analysis) or ICA (Independent Component Analysis). The magic behind T-SNE lies in its ability to preserve the pairwise proximity of data points in the original high-dimensional space when mapping them to the lower-dimensional space. This is achieved by maximizing the similarity between the probability distributions of the pairs of data points in both spaces3.T-SNE has gained popularity in recent years, especially for its ability to create visually impressive plots that can help us better understand the structure of our data. It's a great tool for data exploration and can be a real conversation starter at data science gatherings! Here are some key points to remember about T-SNE: Dimensionality reduction: T-SNE helps us visualize high-dimensional data in a lower-dimensional space. Preserves proximity: T-SNE maintains the pairwise proximity of data points when mapping from high to low dimensions. Probability distribution: T-SNE maximizes the similarity between the probability distributions of the pairs of data points in both spaces. Visualization: T-SNE is excellent for data exploration and creating visually appealing plots. #MachineLearning #DimensionalityReduction #tSNE #DataVisualization #DataScience #LinkedInLearning #MLAlgorithms #DataExploration #DataAnalysis #DataScienceCommunity
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Titanic Survival Prediction: 🚢 If you’re in the data science field and haven’t tackled the Titanic dataset, then you’re not truly a data scientist! 😅 I dove into this classic challenge to predict which passengers might have survived, and it was an exhilarating ride. 🌊📊 🧹 Data Exploration & Cleaning: I started by cleaning up the data—saying goodbye to irrelevant columns like 'Cabin', 'PassengerId', and 'Ticket'. I tackled missing values with some creative solutions, filling in gaps and ensuring everything was shipshape. 🔍 Feature Engineering: Next up, I created new features such as 'family' and categorized them into 'family_size' (Alone, Small, Large) to better understand the data. I used visualizations to uncover patterns and get a clearer picture of survival rates. 🤖 Model Building & Enhancement: I kicked things off with a Decision Tree Classifier, which gave me a respectable 76% accuracy. But I didn’t stop there—by switching to a Random Forest Classifier, I boosted the accuracy to a fantastic 83%! 🚀 📈 Final Touches: I wrapped up by generating predictions and preparing them for submission. This project was an exciting voyage through data science, blending creativity with analysis. I’m eager to set sail on new data adventures and would love to hear your thoughts, suggestions, or any tips you might have! Now it's time to meet with some UI with Machine learning. #titanic #titanicdata #prediction #dataset #ALML #MachineLearing #datascience #powerbi #UIUX #dataanalytics #dataengineer #statastics #dataanalysis
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In data science, distance metrics quantify the similarity or dissimilarity between data points. These metrics play a crucial role in various machine learning tasks, including classification, clustering, and recommendation systems. Choosing the right distance metric is essential for accurate results. An inappropriate metric can distort data relationships, leading to flawed models. For instance, using Euclidean distance in text analysis might not capture the semantic similarity between words as effectively as cosine similarity. 1. Euclidean Distance: The Straight Shooter Measure the straight-line distance between two points. Simple, yet effective! 2. Manhattan Distance: The City Navigator Calculate the sum of absolute differences. Like navigating city streets, block by block! 3. Minkowski Distance: The Power Player Generalize Euclidean and Manhattan distances with a power twist. Flex your data muscles! 4. Cosine Similarity: The Text Whisperer Measure the cosine of the angle between vectors. Uncover hidden text relationships! 5. Jaccard Distance: The Set Sleuth Uncover similarities between sets. Reveal the secrets of intersection and union! 6. Hamming Distance: The String Sleuth Count the differences between strings. Crack the code of similarity! 7. Mahalanobis Distance: The Covariance Crusader Tackle covariance and find robust distances. Unleash the power of multivariate analysis! 8. Levenshtein Distance: The Edit Master Measure the minimum operations to transform strings. Edit your way to similarity! 9. Kullback-Leibler Divergence: The Probability Pro Measure the difference between probability distributions. Uncover hidden patterns! 10. Bray-Curtis Dissimilarity: The Ecological Explorer Uncover similarities in ecological and biological data. Venture into new territories! #DataScience #Data_Science #Distance_Meteics #Distance_Measurement #Data_Analysis
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Discover how Complexity Science fosters interdisciplinary creativity in data visualization, blending art, science, and diverse professional skills to explore new ways of presenting complex scientific data. Check out the latest piece by Liuhuaying Yang and Paul Kahn. https://lnkd.in/eexsbk3x #DataViz #DataVisualization #Creativity
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Screen-reader users can upload a dataset and create customized data representations that combine visualization, textual description, and sonification. | Click below to read the full article on Sunalei
New software enables blind and low-vision users to create interactive, accessible charts
https://sunalei.org
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#storytellingwithdata It's a masterpiece! Simple is harder than complex and no doubt took a lot of effort to simplify a complex problem to tell a story. Whether we can improve it or not depends on the audience it was intended for. For those unfamiliar with the content it will require a greater cognitive load and mental effort to decipher the information presented as opposed to those already familiar with the context. It’s a common challenge having to communicate to people with disparate needs at once e.g. across technical disciplines, investors, employees and government bodies. As a result you end up in a position where you can’t communicate to any one of them as effectively as you could if you narrowed your target audience. Sometimes this means creating different communications for different audiences. The more you know about your audience, the better positioned you’ll be to understand how to resonate with them and form a communication that will meet their needs and yours.
IS THIS YOUR FAVORITE HISTORICAL VISUAL? I'm sure many of you viewing this post will instantly recognise this image. For those that may not be aware, this is a graphical representation of data, showing us in brutal detail the shrinking size of Napoleon’s army as he marches from France all the way to Moscow, and then back home again in defeat from 1812-1813. The width of the line shows the number of French soldiers; the map shows their position as well as the date the army passed each location; other dimensions included in the visual are the temperatures during the winter portion of the army’s march, the geographic features (such as rivers) affecting travel, and the moments when the army split into multiple forces of varying sizes. Hailed by many as one of the greatest achievements in graphic representation of data, far be it from us to say we could improve upon this highly regarded visual. But that’s not to say that there aren’t other ways to visualize some or all of this data—and some of these approaches may be better suited for particular audiences or scenarios. As a statistical data visualization, Minard’s map succeeds in showing multiple aspects of a single time series within one unified, static view. At the same time, it demands its readers spend considerable time to engage with it, to learn how to read it, and to synthesize every aspect of the visual at one time—which may be a challenge. What do you think?
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Understanding dot product, Euclidean distance, and cosine similarity is crucial for anyone working with data. Discover the importance of these mathematical techniques in this insightful article. #datamath #techknowledge #SingleStore
Dot Product, Euclidean Distance, and Cosine Similarity in SingleStoreDB
dzone.com
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Discover why we use H3 hexagonal grids for data analysis and visualization at Kontur! 🌐✨ In our blog post https://lnkd.in/d4V-EkHG, we talk about the power of hexagonal grids and their application in the Kontur Atlas Platform. If you've seen our Disaster Ninja maps, you've noticed the hexagons – but have you ever wondered why we use them? ✨Efficient Data Representation: 🌐Uniform Distance: Hexagons ensure that the distance between the center of each hexagon and its neighbors is consistent, making spatial queries more straightforward and accurate. 🌐Low Perimeter-to-Area Ratio: With their compact shape, hexagons have a lower perimeter relative to their area compared to squares or triangles. This reduces sampling bias and minimizes edge effects, leading to more reliable data analysis. 🌐Simplified Curves: The geometry of hexagons allows for a more natural representation of curved real-world objects such as roads and rivers, enhancing the accuracy of spatial visualizations. ✨Versatility in Application: 🌐Comparative Analysis: Hexagonal grids are perfect for comparing a wide range of datasets, including social statistics and natural indicators, across different regions. 🌐Seamless Aggregation: They enable smooth data aggregation and analysis, facilitating comprehensive insights into diverse data types. ✨Advantages over Other Grids: 🌐Minimized Distortion: Hexagons reduce distortion when mapping large areas, unlike squares and triangles, making them ideal for global-scale analyses. 🌐Optimal for Raster Data and Machine Learning: The structure of hexagonal grids makes them better suited for storing raster data and enhancing machine learning applications. 📊 Whether you're a data enthusiast or a geospatial expert, our blog offers valuable insights into the innovative use of hexagonal grids.https://https://lnkd.in/d4V-EkHG #DataVisualization #GeospatialAnalysis #HexagonalGrids
H3 Hexagonal Grid:
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7mo"Wind Map" by Fernanda Viégas and Martin Wattenberg truly exemplifies the fusion of data science and art. It beautifully transforms raw data into a dynamic and aesthetically pleasing visualization, showcasing the innovative potential of data science in creative expression. It's inspiring to see how complex data can be made accessible and visually compelling through their pioneering work.