An open API service indexing awesome lists of open source software.

Data visualization

Data visualization is the visual depiction of data through the use of graphs, plots, and informational graphics. Its practitioners use statistics and data science to convey the meaning behind data in ethical and accurate ways.

https://github.com/analyst-lochan/flight-delay-and-cancellation-dataset-2019-2023-

This project demonstrates a complete data analytics pipeline starting from raw real-world flight data to professional visual dashboards using SQL Server and Power BI. It showcases data import, cleaning, optimization, transformation, and dynamic DAX-based visual reporting.

airline-performance business-intelligence data-analysis data-cleaning data-modeling data-visualization dax etl flight-data kaggle-dataset portfolio-project powerbi powerbi-dashboard sql sql-server

Last synced: 09 Sep 2025

https://github.com/rodolfo-brandao/pos-graduacao

[pt-BR] Repositório para armazenar alguns materiais e projetos de cada módulo da minha especialização em Ciência de Dados (2025–2027)

artificial-intelligence data-analysis data-science data-visualization databases deep-learning jupyter linear-algebra machine-learning python r statistics

Last synced: 09 Apr 2026

https://github.com/bala-1409/rafik-s-kitchen-data-analysis

The Project is about the Analysis of the Sales and Expenses Data of a Famous Fast-food Restaurant. This mainly focuses on gaining Insights that will boost the Future Sales and also Business Strategies it Improve the Profit Margins. Handled Tools are SQL, Python, Power BI, MS Office Tools.

business-analytics business-intelligence data-analysis data-analytics data-visualization eda exploratory-data-analysis ms-office powerbi-report powerpoint-presentations python sql-server

Last synced: 06 May 2026

https://github.com/ricardo-melo-martins/docker

⚡ RMM ⚡:: 🐳 docker with database for fun development

data-visualization database datascience docker mysql postgres sakila sakila-database sqlite

Last synced: 12 Apr 2026

https://github.com/mr-chang95/twitter_datawrangling

Twitter Data Wrangling for Udacity's Data Analyst Nanodegree Program

data-visualization data-wrangling dogs matplotlib numpy pandas python twitter

Last synced: 09 Apr 2026

https://github.com/bhaskarbharati/ibm-datascience-hands-on-lab

This is the basic hands-on exercise using Jupyter Notebook. This lab is done in the process of learning course Tools For Data Science | IBM

data-analysis data-science data-visualization datawrangling eda machine-learning

Last synced: 23 Apr 2025

https://github.com/ginga1402/data_visualization_on_honey_production_dataset

Data Visualization using Matplotlib & Seaborn Libraries

college-project data data-visualization

Last synced: 25 Aug 2025

https://github.com/giog97/find_similar_tables_on_pubtables-1m

Find similar tables on the PubTables-1M dataset

data-analysis data-visualization datamining dm tables

Last synced: 09 Apr 2025

https://github.com/happymary16/data-visualization-labs

Solutions for all labs from 'Data Visualization' course

data-visualization jupiter-notebook python

Last synced: 13 Apr 2026

https://github.com/victorlcastro-dsa/pbl-datacamp

This repository features projects from DataCamp's Project-Based Learning (PBL) courses, showcasing practical applications of data analysis, machine learning, and visualization. Explore real-world datasets and interactive results that highlight the skills gained through hands-on learning.

data-analysis data-science data-visualization datacamp-projects hypothesis-testing machine-learning project-based-learning

Last synced: 30 Jun 2026

https://github.com/kathyreid/geelong-council-elections-2017

Chord diagram of distributed preferences based on Victorian Electoral Commission data

chord-diagram d3js data-visualization

Last synced: 13 Mar 2025

https://github.com/archanakokate/exploratory_data_analysis_global-terrorism_using_tableau

Using Tableau, conducted an in-depth analysis of terrorism incidents around the world.

analysis data-visualization tableau

Last synced: 04 Feb 2026

https://github.com/palwisha-18/time_series_analysis_lex_vs_gdp

Analyzes how a country’s GDP per capita correlates with the life expectancy of its citizens over a period of about 100+ years

data-analysis data-visualization pandas plotl time

Last synced: 19 May 2026

https://github.com/lijesh010/covid-19_global_analytics_power_bi_project

This repository is a data visualization project that offers an in-depth analysis of the Covid-19 pandemic using Microsoft Power BI. This interactive dashboard provides valuable insights into key metrics related to Covid-19 cases, deaths, recoveries, and more, helping users understand the global impact of the pandemic.

dashboard data-analysis data-visualization powerbi report

Last synced: 08 Jan 2026

https://github.com/sakshithbillava/expense-manager

A web-based expense tracking app built with Python and Streamlit, featuring real-time updates, data visualization, user authentication, and MongoDB integration.

authentication data-visualization expense-manager matplotlib mongodb numpy pandas personal-finance python streamlit webapp

Last synced: 09 Apr 2026

https://github.com/darkdk123/handwashing-discovery-analysis

A Guided Project in a Boot camp to Analyse the Original Data used in the Discovery of Viruses & Hand Washing By Dr. Ignaz Semmelweis in Vienna General Hospital in the 1840s.

data-analysis data-science data-visualization matplotlib-pyplot numpy pandas plotly-python python seaborn-plots

Last synced: 09 Apr 2026

https://github.com/computingvictor/mercadona_agent

Web app to explore supermarket products with advanced filters, search, favorites, and nutritional info. Includes data analysis notebooks for deeper insights.

css data-analysis data-science data-visualization filtering html interactive-ui javascript notebooks nutritional-info pandas product-catalog python supermarket webapp

Last synced: 09 Apr 2026

https://github.com/bala-1409/loan-clustering-datascience-projects

This project uses Machine Learning to Cluster loan together based on their similarities. The project uses a dataeset of loan application which includes information about the Loan amount and Balance. The project then use the clustering algorithm to group the loan together based on the similarities.

clustering clustering-algorithm data-analysis data-science data-visualization kmeans-clustering machine-learning machine-learning-algorithms sql unsupervised-learning unsupervised-machine-learning

Last synced: 22 Mar 2025

https://github.com/tclzcja/spark-comparison-visualization

A data visualization project I made for Blue Telescope/HP.

client-project data-visualization

Last synced: 15 Jun 2025

https://github.com/cunfuu/network-bubbles

For Easier to manage organizations and keeping notes about them to organize events and easy access their needs

data data-visualization organizations organizations-volunteer

Last synced: 31 Jul 2025

https://github.com/farrelfaricaf/exploratorydataanalyst---titanic

This project analyzes the Titanic dataset using exploratory data analysis (EDA) and visualization techniques to identify survival patterns. The goal is to understand how demographic factors like gender and age influenced survival rates during the 1912 disaster.

data data-analysis data-science data-visualization eda python titanic-dataset

Last synced: 31 Jul 2025

https://github.com/teja-1403/game-of-thrones-analysis

Demonstrate Exploratory Data Analysis on GOT Dataset using plots and graphs and using the information extracted from text.

analysis data-visualization datascience machine-learning python

Last synced: 12 Apr 2026

https://github.com/fbarffmann/citibike-covid-analysis

Analyzed NYC CitiBike usage during March 2020 to assess the impact of COVID-19 using Python and Tableau. Includes ridership breakdowns, user type trends, and interactive dashboard.

citibike covid19 data-analysis data-visualization exploratory-data-analysis pandas python tableau transportation

Last synced: 12 Apr 2026

https://github.com/dianannperla/trangs-web-thong-ke

Một ứng dụng web đơn giản để thống kê dữ liệu và hiển thị biểu đồ bằng Vue.js.

chartjs data-visualization frontend vuejs web-development

Last synced: 23 Sep 2025

https://github.com/bala-1409/sales-forecasting-datascience-project

Develop a data science project using historical sales data to build a regression model that accurately predicts future sales. Preprocess the dataset, conduct exploratory analysis, select relevant features, and employ regression algorithms for model development. Evaluate model performance, optimize hyperparameters, and provide actionable insights.

data data-analysis data-science data-visualization datacleaning exploratory-data-analysis machine-learning-algorithms modelfitting prediction predictive-analytics predictive-modeling python3 regression-models salesforecast supervised-learning

Last synced: 26 Apr 2026

https://github.com/tuni56/support_ticket_streamlit

Interactive support ticket management system

data-science data-visualization python streamlit-webapp

Last synced: 29 May 2026

https://github.com/robwiederstein/kytc_loc

Plot Kentucky licensing locations

data-visualization ggmap leaflet r xml2

Last synced: 31 Jul 2025

https://github.com/alrza2003/google-data-analysis-case-study-cyclistic

This project analyzes Cyclistic’s trip data to identify patterns in bike usage between casual riders and annual members. The findings help optimize marketing strategies and membership conversions.

business-task cyclistic-bike-share-analysis-case-study data-analysis data-science data-visualization google-data-analytics google-data-analytics-capstone-project google-data-analytics-professional jupyter-notebook python rmarkdown tableau

Last synced: 09 May 2026

https://github.com/abhash-rai/analyzing-credit-card-eligibility

This work was performed as part of BCU undergraduate course.

data-analysis data-visualization ggplot ggplot2 latex r

Last synced: 20 Jan 2026

https://github.com/faysalalmahmud/bd-med-professional-analysis

Analysis of healthcare professionals in Bangladesh through web scraping, data processing, and interactive visualization.

data-analysis data-visualization jupyter-notebook python scraper selenium selenium-webdriver tableau

Last synced: 04 Sep 2025

https://github.com/master-helix/11-7-commercial-store

A Data Analytics project for analyzing a Commercial Store dataset and building an interactive Excel dashboard for insights.

data-analytics data-visualization excel

Last synced: 04 Feb 2026

https://github.com/soumyajiitdas/My-GenAICapstoneProject

A Generative AI-powered journaling assistant that analyzes daily entries to extract emotions, stress levels, and mood trends — built using Google Gemini API for mental wellness insights.

ai-assistant data-visualization generative-ai machine-learning mental-health prompt-engineering python

Last synced: 04 Jul 2025

https://github.com/rupeshrb/data_visualization

Data visualization is important concept which apply on datasets

data-analytics data-visualization dataset python

Last synced: 17 May 2026

https://github.com/teamtigers/echartify

A web application built with .net core 2.2 that has come with the idea of reading the National Election's Data-set of Bangladesh in a fastest possible time and then representing the data-set with different statistical charts.

bangladesh chartjs code-first-migration cross-platform data-analysis data-structures data-visualization dotnet-core election-analysis election-data entity-framework-core materializecss mvc npoi razor-pages

Last synced: 16 Apr 2026

https://github.com/sanand0/storynetwork

Visualize where people are mentioned in stories and their inter-relationships

data-visualization

Last synced: 04 Sep 2025

https://github.com/rohitblaze10/microsoft_stock_analysis-2025-kaggle

A comprehensive analysis of Microsoft's (MSFT) stock data from 1986 to 2025, covering trends, volatility, and interactive visualizations using Python

data-science data-visualization eda python

Last synced: 08 Nov 2025

https://github.com/sanveed-adnan/supermarket-sales-sql-project

SQL-based data analysis project on supermarket sales performance using SQLite and Power BI.

business-intelligence data-analysis data-science data-science-projects data-visualization power-bi sales-data sql sqlite

Last synced: 08 Nov 2025

https://github.com/manoharvit/personality-prediction-test

Career professionals and psychologists use this information in personality career tests for recruitment and candidate assessment. Accurate personality estimation is delicate and can be falsified to some extent by a seeker, as I did. Given that employment is frequently associated with significant fiscal and social benefits, job campaigners are incen

data-mining data-science data-visualization machine-learning

Last synced: 30 Jul 2025

https://github.com/hooopo/ossinsight-pick

Handpicks, features, or highlights a selection of open-source repositories each week. We cherry-pick the best, trending, or otherwise interesting repositories, providing an in-depth analysis you won't find elsewhere, thus enabling developers to discover, learn from, and contribute to these noteworthy projects.

analytics data-visualization github open-source trending-repositories visualization

Last synced: 30 Jul 2025

https://github.com/kartikey2807/bike-classification-1rt700

Binary classification problem involving Logistic regression, SMOTE and feature expansion.

data-analysis data-engineering data-visualization logistic-regression

Last synced: 30 Jul 2025

https://github.com/j4rviscmd/streamlit-advanced-dataframe

🚀 A powerful Streamlit custom component that extends st.dataframe with advanced features: filtering, sorting, row/cell selection, column resizing, virtual scrolling (60fps with 100K rows), and more. Built with React + TanStack Table v8.

data-table data-visualization dataframe pandas python react streamlit streamlit-component streamlit-custom-component tanstack-table typescript

Last synced: 09 Mar 2026

https://github.com/soajala/shopify-sales-analysis-powerbi

End-to-end Power BI dashboard project analyzing Shopify sales data with real-time metrics, DAX, and business insights.

business-intelligence data-analysis data-visualization dax interactive-dashboard powerbi sales-analysis shopify

Last synced: 05 Sep 2025

https://github.com/govind-prakash/r

A collection of R scripts designed for basic bioinformatics and biostatistics projects. This repository includes scripts for data analysis, visualization, and statistical modeling, catering to researchers and students in life sciences

data-science data-visualization r r-base rstudio statistics

Last synced: 05 Sep 2025

https://github.com/muhammed-fazal/student-success-and-early-intervention-analytics-system

To consolidate scattered student performance records into a unified Data Warehouse in SQL Server. Engineer an Interactive Power BI dashboards that visualize academic trends, identifying student performance and implement predictive analytics.

analysis analytics dashboard data data-analysis data-engineering data-science data-visualization database etl etl-pipeline power-bi powerbi python sql sql-server

Last synced: 29 May 2026

https://github.com/shridhar1504/loan-classification-datascience-project

This project uses machine learning algorithms to predict the classification of loan status. The dataset is loaded and some transformation is done using SQL for getting a proper dataset with some valid informations.

classification data-analysis data-cleaning data-science data-visualization eda loan-prediction loan-status machine-learning predictive-modeling sql supervised-learning

Last synced: 09 Apr 2025

https://github.com/jakobtroidl/barrio

A visual tool to compare and analyze nanoscale brain structures.

comparison data-visualization neuroscience scientific-visualization

Last synced: 09 Apr 2026

https://github.com/syncfusionexamples/building-a-neumorphic-chart-to-visualize-gen-z-s-favorite-social-media-with-syncfusion-maui

Learn how to build a Neumorphic column chart using Syncfusion's .NET MAUI Charts to visualize Gen Z's favorite social media platforms based on U.S. adult usage data. This project features a modern design that adapts to both light and dark themes, creating a sleek and engaging user experience.

custom-chart-styling custom-drawable-charts data-visualization dotnet-maui-chart gen-z-social-media-trends interactive-charts light-and-dark-theme-ui modern-ui-design neumorphic-design neumorphism-ui social-media-analytics syncfusion-column-chart us-social-media-usage user-interface-trends

Last synced: 03 Apr 2025

https://github.com/shaheerazam-dev/cyclistic-case-study-google-data-analytics-certificate

This case study simulates the real-world experience of a junior data analyst at Cyclistic, a fictional company. We will leverage the data analysis process framework (Ask, Prepare, Process, Analyze, Share, Act) to address critical business questions and provide data-driven insights to guide strategic decision-making.

bigquery data-science data-visualization spreadsheet sql tableau

Last synced: 06 Feb 2026

https://github.com/syncfusionexamples/ej2-angular-7-heatmap

A quick start project that helps you to create an Angular 7 Heatmap with minimal code configuration.

angular-heatmap angular7 data-visualization ej2-heatmap

Last synced: 03 Apr 2025

https://github.com/nathadriele/transaction_fraud_prevention_pipeline

Uma solução de detecção e prevenção de fraudes em transações financeiras, combinando Machine Learning, regras de negócio e análises estatísticas avançadas. O sistema oferece um dashboard interativo para monitoramento em tempo real, análise de dados e gestão de alertas de fraude.

data-analysis data-visualization docker fraud-prevention machine-learning matplotlib numpy pandas pipeline pytest python scikit-learn scipy seaborn streamlit tensorflow transaction xgboost

Last synced: 10 Apr 2026

https://github.com/sinsunsan/earth-survival-kit

Global warning data visualisation app to make everyone understand global warning and take actions that matter

angular angular7 d3 data-analysis data-visualization ecology global-warning ngx-charts

Last synced: 05 May 2026

https://github.com/farseenmanekhan1232/analyse-economic-cycle

A Python-based CLI tool for analyzing economic cycles and making data-driven investment decisions in the Indian stock market using Kite Connect API.

data-visualization investment matplotlib portfolio-optimization python stock-market

Last synced: 30 Jul 2025

https://github.com/zahramh99/dynamic-pricing-strategy

Dynamic Pricing is an application of data science that involves adjusting the prices of a product or service based on various factors in real time. It is used by companies to optimize revenue by setting flexible prices that respond to market demand, demographics, customer behaviour and competitor prices.

business-intelligence data-science data-visualization demand-prediction dynamic-pricing machine-learning predictive-modeling price-prediction price-prediction-model pricing-strategy revenue-optimization ride-sharing

Last synced: 27 Jun 2025

https://github.com/zborovskaanna/e-commerce-web-events-analysis

SQL project based on the Big Query public database 'The Look e-Commerce' and a dashboard in Looker Studio

analysis bigquery dashboard data-visualization looker-studio sql

Last synced: 03 Jan 2026

https://github.com/jabulente/tukey-s-hsd-for-pairwise-group-comparisons

This repository contains a Python project dedicated to performing Tukey’s Honest Significant Difference (HSD) test for pairwise group comparisons.

ai anova-analysis anova-test data-science data-visualization machine-learning math matplotlib-pyplot post-hoc post-hoc-analysis re real-world-problem-solving scipy-stats seaborn-plots statistics statsmodels string turkey-hsd

Last synced: 29 Jul 2025

https://github.com/sejalkoli/powerbi-dashboard

Exploring insights and boosting business success with my Superstore Sales Dashboard project using Power BI.

dashboard data-analytics data-visualization powerbi

Last synced: 07 Nov 2025

https://github.com/asuquoaa/ann_arbor_weather_analysis_2005-2015

This project analyzes historical weather data from Ann Arbor, Michigan, collected by the National Centers for Environmental Information (NCEI) Global Historical Climatology Network daily (GHCNd).

data-cleaning-and-preprocessing data-visualization

Last synced: 03 Apr 2025

https://github.com/cyprianfusi/data-scientist-technical-exercise-10ds

With recommendations to UK Department for Education of 10 Local Authorities where National Tutoring Programme (NTP) should be intensified and a response to UK Secretary of Health regarding a 76% Accident and Emergency (A&E) performance target which seems far-fetched.

data-analysis data-cleaning data-visualization hypothesis-testing pandas-python policy statistics

Last synced: 21 Sep 2025

https://github.com/parthasarathy27/barchart-visualization-using-amcharts

This project visualizes monthly fuel usage data (petrol and diesel) using a responsive bar chart built with the amCharts library. The chart displays fuel consumption across 12 months, with separate bars for petrol and diesel for each month.

amcharts amcharts-js-charts data-visualization html-css-javascript json visualization

Last synced: 12 Apr 2026

https://github.com/zmyzheng/browserassistant

Big Data & Cloud Computing project for recommendation, cluster analysis, data visualization with Hadoop and Spark deployed in auto- scaling cloud environment, youtube link:

angular big-data-analytics cloud cluster-analysis data-visualization elasticsearch flask hadoop recommendation-system spark spring-boot

Last synced: 14 Apr 2026

https://github.com/nmelgar/lego_my_data

Data visualization project to sell LEGO bulks.

csv data-analysis data-visualization data-viz google-sheets tableau

Last synced: 08 Jan 2026

https://github.com/angchekar28/valorant-gameplay-analysis

This project analyzes Valorant gameplay data to understand key factors affecting match outcomes. It compares various machine learning models to predict player performance, rank classification, and match success.

data-analysis data-science data-visualization exploratory-data-analysis jupyter-notebook machine-learning python

Last synced: 12 Apr 2026

https://github.com/bala-1409/milk-production-time-series-forecasting-datascience-project

This project uses time series forecasting to predict future milk production. The data used in this project is monthly milk production data from January 1962 to December 1975. The ARIMA (autoregressive integrated moving average) model is used to forecast the milk production. The model is evaluated using various metric.

acf adf arima-model data-analysis data-science data-visualization datapreprocessing eda exploratory-data-analysis forecasting machine-learning-algorithms pacf python python3 sarimax-model seasonality seasonality-analysis time-series time-series-forecasting trends

Last synced: 27 Apr 2026

https://github.com/hauntedhost/modern-drive

ModernDive: An Introduction to Statistical and Data Sciences via R at http://www.moderndive.com

data-science data-visualization r statistics

Last synced: 29 Jul 2025

https://github.com/yash22222/literacy-exploration-analysis

Delve into India's literacy landscape through data analysis. Uncover regional disparities, high/low literacy states & gender imbalances.

csv data-analysis data-visualization government-data india literacy literacy-analysis states

Last synced: 29 Jul 2025

https://github.com/theanujsinha01/mcdonalds-customer-analysis

This project analyzes customer feedback data to understand what drives people to like or dislike McDonald’s. Using Python and data visualization tools in a Jupyter Notebook, we explore how different factors—such as taste, price, health, and visit frequency—affect customer satisfaction.

case-study data data-visualization dataanalysis

Last synced: 05 Sep 2025

https://github.com/malakasupun/crime-data-analysis-of-lapd

This project aims to explore and analyse crime patterns in Los Angeles using a dataset spanning from 2020 to the present. The primary focus is to extract meaningful insights by integrating structured data analysis and advanced techniques in SQL and Natural Language Processing (NLP).

data-analysis data-visualization llm nlp sql

Last synced: 29 Jul 2025

https://github.com/hasinii12/-chocolate-analysis-dashboard

This Power BI report provides a comprehensive analysis of chocolate ratings and related attributes.

data-analysis data-visualization powerbi

Last synced: 09 Feb 2026

https://github.com/fawadeqbal/data-science

A comprehensive repository covering essential Data Science concepts using PyTorch, including anomaly detection, classification, clustering, regression, and more. Includes hands-on implementations and tutorials for each concept.

calculus calculus-2 data-science data-visualization dataset machine-learning python pytorch statistics

Last synced: 29 Jul 2025

https://github.com/swethajoseph/statistical-stock-performance-analysis

Conducted a statistical analysis of Microsoft, Tesla, and Apple stock performance compared to the S&P 500, examining price trends, volatility, and correlations to derive investment insights.

advancedexcel comparative-analysis data-analysis data-visualization datapreparation descriptive-statistics moving-average msexcel performance-analysis performance-metrics regression-analysis statistical-analysis

Last synced: 03 Jan 2026

https://github.com/farhashaad/farhashaad98

This is a repository to showcase my skills, share projects and track my progress in Data Science related projects.

data data-visualization dataanalysis matplotlib pandas python seaborn sql tableau

Last synced: 24 Apr 2026

https://github.com/archanakokate/eda_amazon_products_and_discounts_2023

Exploratory Data Analysis (EDA) on Amazon's 2023 Products and Discounts data

data-analysis data-mining data-visualization exploratory-data-analysis

Last synced: 03 Jan 2026

https://github.com/shreedata/covid-da-dasboard-using-powerbi

This repository showcases a PowerBI dashboard focused on visually representing COVID-19 data for Indian states and Union Territories in an easily understandable way. The dataset is sourced from Kaggle.

data-cleaning data-visualization datanalaysis microsoft microsoft-powerbi powerbi-report powerbi-visuals powerbidashboard

Last synced: 19 Feb 2026

https://github.com/danielrosehill/value-factors-data-vis

Streamlit app containing visualisations of the Global Value Factors Database (GVFD) released by the IFVI in 2024

data data-visualization sustainability sustainability-data

Last synced: 29 Jul 2025

https://github.com/christos-pelekis/harsourcerer

An inclusive MERN stack-based platform for comprehensive analysis and exploration of HTTP traffic data extracted from HAR (HTTP Archive) files.

data-visualization har-files http-traffic mern-stack

Last synced: 29 Jul 2025

https://github.com/camara94/data_analyse_series_temporelles

Dans ce tutoriel, nous allons répondre aux questions suivantes: 1. Lire les données Microsoft à l'aide du package **Pandas Data reader** 2. Obtenez le **prix maximum** de l'action de **2017 à 2022** 3. Quelle est la **date du cours le plus élevé** de l'action ? 4. Quelle est la **date du cours le plus bas** de l'action ?

data-analysis data-analysis-python data-science data-structures-and-algorithms data-visualization serie series-forecasting

Last synced: 09 Apr 2025

https://github.com/leandrocollares/population-in-dutch-provinces

A responsive bar chart showing the population of Dutch provinces

d3 data-visualization svelte

Last synced: 16 Apr 2026

https://github.com/akhi07rx/petals-using-r

This R code generates a plot of a flower. It uses polar coordinates and the sine function to create the petal shapes and then plots them.

data-visualization graphics opensource plot r trignometry

Last synced: 23 May 2026