📊 Data Science

Text Vectorization Lab: BoW vs TF-IDF Live DemoNewExplore text vectorization using BoW and TF-IDF on synthetic tweets. See how different… Sampling Bias SimulatorNewInteractive 3D survey town of 400 households across four neighborhoods with different real… Civic Data PlaygroundNewInteractive 3D city grid built from open municipal data: tune population, traffic-light… Data Analysis Fundamentals SimulatorNewInteractive 3D scatterplot lab: generate a noisy dataset, inject outliers, and watch a live… Data Visualization ExplorerNewInteractive 3D bar chart and scatter plot built from the same generated dataset: tune sample… Dimension CollapseNewAn N-dimensional hypercube spins through its extra-dimensional rotation planes while a… Experimental Design FundamentalsNewInteractive control-vs-treatment trial simulator: tune sample size, true effect size, noise… Stream Window Aggregator: Tumbling vs SlidingNewWatch a live event stream flow past tumbling and sliding aggregation windows, with Poisson… Topic Modeling: Documents as Mixtures of TopicsNewInteractive LDA-style topic model: sample a document's topic mixture from a Dirichlet… Categorical Encoding LabNewSwitch a categorical feature between one-hot, label, frequency and target encoding and watch… One-Class SVM Anomaly BoundaryNewWatch a one-class SVM (RBF-kernel density) boundary enclose a normal data cloud in 3D — tune… Spot vs On-Demand Cloud TrainingNewInteractive 3D cloud ML training cluster: mix spot and on-demand instances, tune… Truncated Axis IllusionNewDrag a Y-axis truncation slider on a two-bar chart and watch the exact same underlying… Classifier Complexity: Underfitting vs OverfittingNewDrag a classifier-complexity slider across a curved two-class dataset with noisy mislabeled… Cold-Start: Collaborative vs Content-Based FallbackNewTwo brand-new users join a recommender: pure collaborative filtering has zero rating history… Bag-of-Words vs TF-IDFNewA 3D term-weight bar chart that compares Bag-of-Words counts against TF-IDF weights across… Cookie Policy — MySimulator.ukNewCookie Policy for MySimulator.uk — what cookies and local storage we use, and how to control… The Hadoop Ecosystem: HDFS, MapReduce & YARNNewA 3D data-centre model of a Hadoop cluster: watch HDFS split and replicate a file into… Metadata Standards and Open Data Practices for Apiary ResearchNewA 3D data pipeline where raw hive sensor readings pass through metadata validation gates —… Fusing ACLED, ADS-B, AIS and GDELTNewA 3D globe where conflict-event reports, aircraft tracks, ship tracks and news pulses from… Stats — 3D Browser SimulationsNewLive statistics for 3D Browser Simulations — simulation count, categories, articles, your… Bag-of-Words vs TF-IDF: Tweet Sentiment ClassifierNewWatch a live nearest-centroid classifier sort tweets into positive/negative/neutral in a 3D… Live Analytics DashboardNewReal-time 3D analytics dashboard: hourly traffic bars, a device-coloured visitor particle… Apiary Analytics & KPI DashboardsNewA live apiary KPI dashboard: simulated inspection rounds drift colony strength, mite load… Research Collaboration NetworkNewResearchers form a co-authorship network — watch how connectivity and publication rate… Data Pipeline Automation ConsoleNewRaw data flows through automated ingestion, cleaning and loading stage nodes — watch… Audio Spectrogram Processing GridNewA grid of frequency-bin nodes pulses with live amplitude as a synthetic audio signal streams… Recommendation System Bipartite GraphNewUsers and items form a bipartite graph — watch recommendation edges strengthen as similarity… Anomaly Detection Point CloudNewNormal data points cluster tightly while injected anomalies drift outward — tune detection… Model Evaluation ROC SpaceNewPredictions land as TP/FP/TN/FN nodes around a moving decision threshold — slide it and… Feature Engineering Transform GraphNewRaw feature nodes flow through transform nodes (scaling, encoding, interaction terms) into… Data Engineering: Building Modern Data InfrastructureNewA practical guide to data engineering: data pipelines, warehousing, lakehouse architecture,… Data Science: A Physics PerspectiveNewExplore the core concepts of data science – analytics, modeling, and machine learning –… Advanced Cybersecurity Simulation: Threat ResponseNewThis simulation challenges users to respond effectively to simulated cybersecurity threats,… Advanced Data Ethics Simulation: Responsible Data HandlingNewNavigate intricate ethical challenges surrounding data collection, storage, and usage within… Data Ethics Scenario NavigationNewThis simulation presents users with scenarios requiring them to navigate the ethical… Automation Data Automation SimulationNewThis simulation demonstrates how data is used to drive automation processes. It showcases… Big Data SimulationNewThis simulation demonstrates the visualization and analysis of large datasets. It explores… Entrepreneurship Market Validation SimulationNewPlayers conduct market research and testing to validate their product or service idea before… Ά× Structured Data Audit | Science PortalNewThis simulation guides users through the process of auditing and structuring scientific data… Kafka Event Stream VisualizerNewInteractive 3D pipeline of topics, partitions and consumer groups where publishing events… BI Semantic Layer ModelerNewInteractive 3D data-warehouse-to-dashboard pipeline where redefining a metric in the… Data Lake to Lakehouse ExplorerNewInteractive 3D storage architecture where adding a transactional table layer over raw object… Data Lineage Trace ExplorerNewInteractive 3D graph of tables, transforms and dashboards where clicking a metric traces its… Data Mesh Domain ExplorerNewInteractive 3D network of domain-owned data products where reassigning ownership shows how a… ETL vs ELT Pipeline ComparatorNewInteractive 3D side-by-side pipeline where routing raw data through transform-then-load… Feature Store Skew DetectorNewInteractive 3D pipeline splitting into training and serving paths where injecting a… MongoDB Document Model ExplorerNewInteractive 3D document-collection scene where toggling schema flexibility and sharding… PostGIS Spatial Index ExplorerNewInteractive 3D map-and-index scene where running spatial queries shows how PostGIS's R-tree… Hive Sensor Monitoring DashboardNewInteractive 3D hive rigged with weight, temperature and humidity sensors where adjusting… Mutual Information ExplorerNewInteractive 3D joint-distribution scene where reshaping two variables' dependency shows how… Dimensionality Reduction: PCA, t-SNE & UMAPNewWatch real PCA (covariance eigendecomposition), a live t-SNE-style optimisation, and a… Regression Visualizer: Linear, Polynomial & RegularizationNewFit noisy data live with real least-squares regression — slide the polynomial degree to see… Time Series Decomposition: Trend, Seasonality & ResidualsNewDecompose a synthetic time series into trend, seasonality and residuals in real time —… Monte Carlo Estimation: From π to Financial RiskNewWatch genuine Monte Carlo simulation run live in 3D: estimate π, estimate a definite… Confusion Matrix & ROC-AUC ExplorerNewDrag the decision threshold across two overlapping score distributions and watch the…