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/kklassa/evolutionary-algorithm

implementation of an evolutionary algorithm for function minimization and a testing and result visualization environment

ai algorithm artificial-intelligence data-science data-visualization evolutionary-algorithm evolutionary-algorithms optimization python

Last synced: 20 Jun 2025

https://github.com/azaz9026/data_cleaning

Welcome to the Data Cleaning repository! This collection is dedicated to showcasing techniques and methods for cleaning and preparing datasets for analysis.

data-analysis data-engineering data-structures data-visualization eda feature-engineering machine-learning numpy outliers pandas python seaborn

Last synced: 13 Apr 2026

https://github.com/brianyu28/old-sheets-flying

Data analysis and graphics tool for The Harvard Crimson's Data and Design Teams

data-visualization harvard-university journalism

Last synced: 15 May 2025

https://github.com/guyabel/chord-afcon

Visualizing bilateral links between AFCON squads and players clubs

afcon africa chord-diagram data-visualization data-viz dataviz football rstats visualization

Last synced: 10 Jun 2026

https://github.com/metalbolicx/tipviz

Show data only by hovering an element in your D3.js project.

d3 d3-js d3js data-visualization tooltip

Last synced: 20 Jan 2026

https://github.com/yash-rewalia/airbnb_eda_pandas

The goal of the project is to gather information and analyze the detailed information of the different entries in order to provide insights about the host and price of the property in a particular area as per your preference , type of rooms and number of reviews accordingly.

data data-cleaning data-insights data-preprocessing data-visualization matplotlib numpy pandas python seaborn

Last synced: 11 Apr 2026

https://github.com/maettuu/project-beatblend

Repository for the Master's Project 2024 on Visualizing and Explaining Sequential Song Recommendations through Data Humanism

audio-features aws ci-cd content-based-recommendation data-visualization discogs-api docker fastapi full-stack jwt-token masters-project postgres python recommendation-system redis rest-api spotify-api visual-data vuejs websocket

Last synced: 11 Apr 2026

https://github.com/shubham200137/cyclistic-case-study

This repository contains a case study for Google's Data Analytics Professional Certificate, focusing on Cyclistic, a fictional bike sharing company in Chicago. The case study aims to drive growth by converting casual riders into members through a marketing strategy.

data-analysis data-visualization numpy-python pandas-python presentation-slides sql tableau

Last synced: 11 Jun 2026

https://github.com/lotfiferaga/google-play-store-sentiment-analysis

Perform sentiment analysis on Google Play Store reviews using Python. Analyze user feedback to determine the overall sentiment (positive, negative, or neutral) towards various apps. Gain insights to aid developers and businesses in understanding user satisfaction levels and improving their products.

data-analysis data-visualization googleplayservices python reviewsanalysis-nlp

Last synced: 26 Feb 2025

https://github.com/ultra-bugs/pyside6-datatable-widget

A PySide6 DataTable widget with jQuery DataTable-like functionality

data-visualization desktop-app desktop-application gui pyside6 qt qt6 table

Last synced: 30 Jun 2025

https://github.com/usk2003/vnrvjiet-lab-work

This repository contains my lab work for the B.Tech CSE-AIML program (2022-2026) under the R22 regulation at VNR Vignana Jyothi Institute of Engineering and Technology. It includes various subjects like Machine Learning, OS, Data Structures, C Programming, and more, showcasing my practical learning and implementations.

c-programming compiler-design computer-networks data-engineering data-structures data-visualization dbms engineering-drawing java machine-learning operating-system python software-engineering

Last synced: 11 Apr 2026

https://github.com/aphp/jupyter-eds-notebooks

jupyter-eds-notebooks provides Docker images with preconfigured Jupyter environments for clinical and health data analysis, tailored for AP‑HP Datalabs and the HELIX platform.

data-analysis data-science data-visualization healthcare lab

Last synced: 13 Jan 2026

https://github.com/naomiwolfe/golden-isles-dashboard2

Interactive tourism analytics dashboard for Georgia's Golden Isles

analytics chartjs dashboard data-visualization georgia golden-isles tailwindcss tourism

Last synced: 05 Oct 2025

https://github.com/cr2007/d3js-us-electric-vehicle-dashboard

D3.js Interactive Visualization Dashboard - US Electric Vehicle Population

d3-js dashboard data-visualization electric-vehicles interactive-visualizations tesla

Last synced: 15 Mar 2025

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

A/B Testing Project for Udacity's Data Analyst Nanodegree Program. Using Python in Jupyter Notebook.

abtesting data-science data-visualization matplotlib pandas python webpage

Last synced: 11 Apr 2026

https://github.com/amanyadav-07/customer-churn-prediction

Machine Learning project to predict customer churn using Logistic Regression, Random Forest, and XGBoost. Includes data preprocessing, feature engineering, SMOTE balancing, model training, evaluation, and business insights.

accuracy-metrics data-analysis data-visualization logistic-regression machine-learning matplotlib numpy pandas python3 random-forest-classifier seaborn sklearn xgboost-classifier

Last synced: 11 Apr 2026

https://github.com/badranalyst/student-tests-data-analysis-application

Python-based analysis of student test scores in math, reading, and writing, examining correlations with parental education, lunch type, and test preparation. Includes data cleaning, visualization, and statistical insights into factors influencing academic performance.

data-analysis data-visualization dataset matplotlib numpy pandas python sklearn

Last synced: 05 May 2026

https://github.com/allanreda/telco-customer-churn-predictor-app

A web-based machine learning application that predicts customer churn using a logistic regression model. Built with Scikit-Learn for model training, Gradio for the user interface, and deployed on Google Cloud App Engine. The app allows users to input customer data and receive predictions on churn risk to support business decision-making.

app-engine data-visualization deployment google-cloud gradio hyperparameter-tuning logistic-regression machine-learning numpy pandas scikit-learn

Last synced: 16 Apr 2026

https://github.com/27ahmad/heart-disease-diagnostic-eda

This project conducts Exploratory Data Analysis on a dataset related to heart diagnostic disease, aiming to derive valuable insights from the analysis.

data-analysis data-visualization pandas python

Last synced: 06 May 2026

https://github.com/andersoncrs/analisis_exploratorio_de_datos-eda-_rendimiento_estudiantil

Este análisis exploratorio de datos (EDA) realizado sobre el conjunto de datos de rendimiento estudiantil tiene como objetivo identificar y comprender los factores que influyen en el desempeño académico de los estudiantes. A través de la limpieza, transformación y visualización de datos, se busca descubrir patrones y relaciones significatvas.

data-analysis data-exploration data-exploration-and-preprocessing data-visualization seaborn

Last synced: 30 Mar 2025

https://github.com/abhinavbammidi1401/covid-19_analytics

A very comprehensive notebook of statistical models to analyze Covid-19 data and visualization.

analytics covid-19 data-analysis-python data-analytics data-science data-visualization jupyter-notebook predictive-modeling python

Last synced: 19 May 2026

https://github.com/ayaankhan98/covid-19-analysis

Covid-19 Analysis. This repository is a part of AMURoboHack 1.0, Here we tried to visulize the world data of Covid-19. Data Visulization gives an easy way to understand bunch of data. We tried plotting the data over a world map so that users can eaisly get the stats for a conuntry by just hovering the mouse pointer over the country in the world map, we also provided the zooming over the world map to bring a sense of attractiveness and user friendly interface.

covid-19 d3js data-visualization topojson

Last synced: 30 Mar 2025

https://github.com/trimoyee-g/phishing-site-predictor

A phishing site prediction model using scikit-learn's Random Forest Classifier, achieving high accuracy and gaining insights into website characteristics.

data-visualization machine-learning python random-forest-classifier scikit-learn

Last synced: 11 Apr 2026

https://github.com/albertofaraujo/pbi_dashboard_prouni

Analisar os dados referentes ao detalhamento quantitativo das bolsas PROUNI concedidas no ano de 2021.

data-visualization dax-studio power-query powerbi

Last synced: 03 Feb 2026

https://github.com/mitgar14/etl-workshop-1

Workshop #1 (Data Engineer) for the ETL course using Pandas, Matplotlib, SQLAlchemy and Power BI for the creation of the dashboard.

data-engineer data-visualization etl pandas postgresql powerbi python sqlalchemy

Last synced: 11 Apr 2026

https://github.com/sanad343/complete-data-analyst

Data analysis is the process of turning raw data into useful information for decision-making.

data data-visualization datamanipulation eda excel exploratory-data-analysis powerbi python-3 sql tableau

Last synced: 30 Jun 2025

https://github.com/jatin-s16/hr_mysql_powerbi

This repository contains raw HR data along with key business questions. I performed data cleaning using MySQL queries and wrote analytical queries to extract meaningful insights. The results were then visualised using Power BI to enhance business understanding.

data-analysis data-science data-visualization mysql powerbi

Last synced: 29 May 2026

https://github.com/csoren66/customer-personality-analysis

Predict how different customer segments will respond for a particular product or service.

data-analysis data-visualization python

Last synced: 03 Mar 2025

https://github.com/mcommer/emtools

A toolbox for geophysical EM-simulation data- and model-file processing, analysis, plotting, and other gimmicks

data-visualization electromagnetics geophysics plotting-scripts shell-scripts

Last synced: 30 Jun 2025

https://github.com/vedantshi/coffee-sales-dashboard

This project analyzes coffee sales data using Excel, featuring data cleaning, trend analysis, and an interactive dashboard. Key insights highlight top-performing products, regional sales trends, and seasonal patterns. Recommendations focus on marketing strategies and inventory optimization. Future plans include Power BI integration for visuals.

business-insights data-analysis data-visualization excel-dashboard pivot-tables sales-trends

Last synced: 05 Jan 2026

https://github.com/akhdandann/itutilizationdashboard-powerbi

Interactive Power BI dashboard for monitoring IT utilization, application uptime, and infrastructure performance at PT PLN (2014-2018).

business-intelligence dashboard data-visualization power-bi reporting

Last synced: 26 Jan 2026

https://github.com/Gregoritsch3/Exercise_Pandas_1

A Pandas exercise demonstrating the loading, cleaning and reorganization of data in .xlsx or .csv files, descriptive statistics, data visualization, statistical approximation of data with the normal distribution, etc.). Libraries include Pandas, NumPy, Scipy, SymPy, MatplotLib,

data-cleaning data-visualization descriptive-statistics matplotlib numpy pandas scipy sympy

Last synced: 01 May 2025

https://github.com/tsopermon/comparison-ml-algorithms

This repository compares the performance of Adaline, Logistic Regression, and Perceptron models on binary classification tasks using linearly, non-linearly, and marginally separable datasets from the Iris dataset. It includes MATLAB implementations, 10-fold cross-validation, and visualizations of decision boundaries and MSE histories.

adaline binary-classification classification-accuracy cross-validation data-visualization decision-boundaries iris-dataset logistic-regression machine-learning matlab mse neural-networks perceptron

Last synced: 15 Mar 2025

https://github.com/dmarks84/ind_project_obesity-multi-class-classification--kaggle

Independent Project - Kaggle Competition -- I worked on the obesity classification data set as part of a Kaggle Competition of the same name, scoring (for accuracy) above 0.9

classification correlation-analysis cross-validation data-modeling data-visualization dataframes eda gridsearchcv matplotlib multiclass-classification numpy pandas python seaborn sklearn statistics supervised-ml

Last synced: 11 Apr 2026

https://github.com/upes-open/open-cryptocurrency-analysis

A web app to visualise and predict the cryptocurrency’s impact by using Web scraping, data exploration, EDA and Data Visualization.

analysis cryptocurrency data-analysis data-science data-visualization jupyter-notebook streamlite visualization

Last synced: 15 Apr 2025

https://github.com/yaser-123/energy-consumption-dashboard

A Power BI dashboard to analyze energy consumption for water, gas, and electricity across cities and buildings. Features include interactive charts, drill-down insights, and dynamic filters for easy monitoring and optimization.

dashboard data-analysis data-analytics data-visualization energy-consumption energy-efficiency powerbi

Last synced: 05 Jan 2026

https://github.com/vidyadnina/cyclistic-sql-tableau-project

Trip data analysis for a bike-sharing service company using SQL and Tableau.

bigquery dashboard data-analysis data-analytics-sql data-cleaning data-visualization sql

Last synced: 02 Jan 2026

https://github.com/karo23361/toy-store-kpi-power-bi

PowerBI Portfolio Project

csv data data-visualization powerbi

Last synced: 03 Feb 2026

https://github.com/carmendev/covid-19-tracker

Data visualization React.js project deployed with Firebase. Daily statistics about current, recovered and closed cases coming from an API.

data-visualization firebase numeral reactjs

Last synced: 11 Apr 2026

https://github.com/hanzopgp/lolanalysis

League Of Legends game data engineering, analysis, visualization and machine learning. Business intelligence project.

data-analysis data-cleaning data-engineering data-visualization dataiku deep-learning etl machine-learning scraping university

Last synced: 27 May 2026

https://github.com/pat8901/diskanalyzer-cli

Processes a pdf file holding storage utilization data to automatically create graph visualizations revealing the true demographics hidden in large data.

data-visualization graphs-generation matplotlib

Last synced: 27 Dec 2025

https://github.com/gunjanmimo/d3-visualization

D3.js is a JavaScript library for producing dynamic, interactive data visualizations in web browsers. It makes use of Scalable Vector Graphics, HTML5, and Cascading Style Sheets standards. It is the successor to the earlier Protovis framework

d3js data data-science data-visualization reactjs

Last synced: 29 Apr 2026

https://github.com/jfaccioli/citi-bike-tableau

A data analysis of Citi Bike users in Jersey City using Tableau

data-analysis data-visualization tableau tableau-public

Last synced: 26 Jan 2026

https://github.com/sayamalt/life-expectancy-prediction

Successfully established a machine learning model which can accurately predict the expected life duration of a human being based on several demographic features such as alcohol consumption per capita, average BMI of entire population, etc.

cross-validation data-cleaning-and-preprocessing data-visualization docker end-to-end-pipeline exploratory-data-analysis feature-engineering github-actions-workflow hyperparameter-tuning machine-learning model-deployment model-training-and-evaluation

Last synced: 04 May 2026

https://github.com/jiyanshgarg/delhivery-logistics-data-analysis

This project analyzes Delhivery's logistics delivery dataset to understand delivery performance, route efficiency, and operational patterns using data analytics techniques. The analysis focuses on transforming raw segment-level logistics data into meaningful trip-level insights that can help improve delivery efficiency and route planning.

business-insights-and-recommendations data-analysis data-cleaning-and-preprocessing data-visualization exploratory-data-analysis feature-engineering feature-extraction feature-selection hypothesis-testing outlier-detection outlier-treatment

Last synced: 12 Jun 2026

https://github.com/sayamalt/customer-churn-prediction

Successfully established a machine learning model which can predict whether any given customer currently utilizing the products and services offered by a company will churn at anytime in the future or not, depending upon a set of unique features/characteristics pertaining to that specific individual, to a great level of accuracy.

classification data-visualization exploratory-data-analysis feature-engineering hyperparameter-tuning model-deployment model-evaluation model-optimization model-training supervised-machine-learning

Last synced: 09 Nov 2025

https://github.com/tolumie/exploratory-data-analytics-projects

Exploratory Data Analytics – A collection of projects covering data exploration, feature engineering, hypothesis testing, and predictive modeling across diverse datasets, including insurance, real estate, laptops, cars, COVID-19, and the Olympics.

data-analysis data-visualization data-wrangling exploratory-data-analysis-eda feature-engineering hypothesis-testing machine-learning matplotlib numpy pandas predictive-modeling python seaborn statistical-analysis

Last synced: 11 Apr 2026

https://github.com/sayamalt/steel-energy-consumption-prediction-using-pyspark

Successfully established a machine learning model using PySpark which can precisely predict the energy consumption of the steel industry, up to an r2 score of approximately 99.5%.

apache-spark big-data-analytics big-data-processing cross-validation data-visualization exploratory-data-analysis hyperparameter-tuning machine-learning model-training-and-evaluation python regression spark sql

Last synced: 10 Mar 2026

https://github.com/nimomach/skateboarding-in-olympics

Skateboarding made its debut in Olympics at the 2020 Summer Olympics. This is a dashboard focused on "Skateboarding in the Olympics" representing a comprehensive overview of the sport's performance, popularity, and key metrics during the Olympic Games.

data-analysis data-visualization olympics paris skateboarding tokyo

Last synced: 10 Mar 2026

https://github.com/sundarsharma332/codeliner

code snippet highlighter with custom line selection

code data-visualization program snapshot visualizer

Last synced: 10 Mar 2026

https://github.com/sehaj003/telco-churn-analysis

This repository contains files (dataset and Jupyter codebooks) for a project aimed to build machine learning models to predict customer churn based on given parameters.

data-science data-visualization exploratory-data-analysis machine-learning machine-learning-models predictive-modeling principal-component-analysis python

Last synced: 20 May 2026

https://github.com/jdfoster11/northwest_territories_collision_factors

Using Python & Tableau to perform a statistical and regression analysis on a NorthWest Territories Vehicle Collision Dataset

clustering-algorithm co-lab data-science data-visualization heatmap-visualization html python3 tableau

Last synced: 15 Mar 2025

https://github.com/pratanup/exploratory-data-analysis-eda-

Objective is to make this data ready for modeling by transforming the given data into clean data by doing EDA

data-analytics data-science data-visualization exploratory-data-analysis python

Last synced: 19 Apr 2026

https://github.com/ledsouza/dataviz_vendas_lojas

Projeto de visualização de dados para realizar comparações e distribuições

data-science data-visualization matplotlib pandas pyplot python seaborn vitrinedev

Last synced: 11 Apr 2026

https://github.com/pythoncoderunicorn/gi-joe

Dataset for GI Joe action figures from 1980s & 1990s. My dataset for TidyTuesday

data-science data-visualization gi-joe r toy-project

Last synced: 27 May 2026

https://github.com/corndogit/dataspaceart

A generative art project which generates stylized patterns from weather data

data-visualization python weather

Last synced: 06 Oct 2025

https://github.com/camsai/notebooks

CAMSAI Notebooks provides interactive Jupyter notebooks for AI-driven materials science research. These notebooks demonstrate the use of CAMSAI tools, schemas, and workflows, offering hands-on examples for data validation, materials design, and AI integration to accelerate scientific discovery.

artificial-intelligence chemistry data-science data-standards data-structures data-visualization density-functional-theory machine-learning materials materials-design materials-informatics materials-science modeling-and-simulation molecular-dynamics

Last synced: 27 Oct 2025

https://github.com/trim0500/fe-stats-classifier

An experiment to create a machine learning model via PyTorch to classify select Fire Emblem unit base stat distributions.

creational-patterns data-analysis data-science data-visualization design-patterns excel jupyter jupyter-notebook matplotlib-pyplot numpy pandas python python-modules python3 pytorch singleton

Last synced: 11 Apr 2026

https://github.com/filip-kustura/statistics-olympics-analysis

A group seminar analyzing the relationship between citizens' average height and a country's Olympic success. The project involved data collection, descriptive statistics and statistical testing. Created and presented as part of the mandatory undergraduate Statistics course in spring 2021.

correlation-analysis data-analysis data-visualization descriptive-statistics group-project hypothesis-testing olympic-games r-programming research sports-analytics statistical-testing statistics university-project

Last synced: 05 Jan 2026

https://github.com/ledsouza/curso_de_estatistica_parte_3

Projeto de curso de estatística sobre distribuições e teste de hipósteses

data-science data-visualization pandas scipy seaborn statsmodels vitrinedev

Last synced: 29 Apr 2026

https://github.com/cube-m4st3r/sphere.discord-bot

The main discord frontend project for sphere, designated for general purpose commands and visualization.

data-visualization discord-bot discord-py discord-py-bot python3

Last synced: 16 Jan 2026

https://github.com/fatihilhan42/turkey_earthquake_analysis_1915-2021_python

In this project, earthquakes in Turkey from 1915 to 2021 were analyzed. The data taken from the data set, which you can find in the repo, was first organized using data cleaning algorithms. Afterwards, these cleaned data were printed out as graphics and animation using data visualization algorithms.

data-analysis data-cleaning data-visualization jupyter-notebook

Last synced: 23 Mar 2025

https://github.com/manisharora96/instagram-reach-analysis

This project provides a detailed approach to analyzing Instagram reach and engagement metrics. By leveraging the code and tools shared here, you can gain valuable insights into your Instagram content's performance and optimize your strategy to grow your audience effectively

data-analysis data-visualization instagram-reach python-tools

Last synced: 23 Mar 2025

https://github.com/BAMresearch/SOFA

SOftware for Force Analysis - A graphical user interface to analyze Atomic Force Microscopy Force Spectroscopy data

atomic-force-microscopy data-science data-visualization

Last synced: 16 Jan 2026

https://github.com/cluzier/crypto-price-dashboard

Shows current crypto prices and trade history

charts cryptocurrency data-visualization

Last synced: 13 Oct 2025

https://github.com/ishmal793/dashboard-cms-

streamlit_dashboard (content management system ) both for compliance and violation option

data-visualization streamlit streamlit-dashboard

Last synced: 02 Sep 2025

https://github.com/walid0912/rfm_analysis

RFM Analysis is employed to comprehend and categorize customers according to their purchasing patterns. RFM, an acronym for recency, frequency, and monetary value, comprises three essential metrics that offer insights into customer involvement, allegiance, and significance to a business.

data-analysis data-visualization python rfm-analysis

Last synced: 02 Sep 2025

https://github.com/rohitdusane/power-bi-sentiment-analysis-insurance-coverage-dashboard

This project analyzes insurance data in Power BI, integrating sentiment analysis to evaluate customer feedback. Visualizations include Word Cloud, Decomposition Tree, and sentiment scoring to assess claims trends, policy performance, and demographic impacts, helping stakeholders optimize strategies and improve customer engagement. 📊

customer-feedback-analysis data-visualization decomposition-tree insurance-analysis powerbi sentiment-analysis wordcloud-visualization

Last synced: 27 Jan 2026

https://github.com/ezrahsieh/academicdatabasedashboard

The Academic Faculty and Research Insight Dashboard utilizes SQL and NoSQL databases and is designed to support academic institutions, research departments, and individual students by providing comprehensive insights into faculty members and their research activities.

dashboard data-visualization database-management mongodb mysql neo4j sql

Last synced: 21 Feb 2026

https://github.com/SebastianUrdaneguiBisalaya/datathon-expresate-peru-con-datos

Contiene la información de los 2 proyectos de análisis y ciencia de datos presentados en la Datatón de la Secretaría de Gobierno y Transformación Digital del Perú.

data-visualization jupyter-notebook machine-learning npl-data python

Last synced: 18 Jan 2026

https://github.com/rios0rios0/investmate

Go-based application designed to scrape and analyze ETF (Exchange-Traded Fund) data, focusing on dividend cash amounts, average closing prices, and dividend yields over a specified number of years. The application uses the colly library for web scraping and the tablewriter library for displaying the data in a formatted table.

crawling data-visualization etf-investments financial-analysis golang

Last synced: 23 May 2026

https://github.com/rgzafra11/excel_sales_analytics

# Excel_Sales_Analytics📊 This repository contains a comprehensive business intelligence report for AtliQ Hardware, focusing on sales performance and strategic insights. 🚀 Explore data-driven analytics to enhance product offerings and optimize sales strategies for improved profitability.

businessanalytics businessinsights data-visualization dataquality eda excel excel-dashboard jupyter-notebook kpi pivot-table powerquery recommandation sales-insights seaborn

Last synced: 01 Jul 2025

https://github.com/ginalamp/covid_dashboard_twitternews

Corona Dashboard & report based on Twitter media outlet news.

dashboard data-analysis data-visualization twitter

Last synced: 28 Jan 2026

https://github.com/thbaylson/datascience

All of my past data science assignments put into one singular notebook. Most of this comes from my Machine Learning course.

data-analysis data-science data-visualization decision-tree jupyter-notebook k-nearest-neighbors linear-regression machine-learning neural-network pandas-library python3 scikit-learn

Last synced: 09 May 2026

https://github.com/srimantapal205/analyze-hr-data---power-bi

The purpose of this Power BI project is to create an interactive dashboard to analyze employee data.

bi-project data-visualization dax-query powerbi

Last synced: 05 Jan 2026

https://github.com/jmjuanes/vizjar

:chart: Micro visualization toolkit for building interactive graphics for data exploration

data-visualization visualization

Last synced: 31 Mar 2025

https://github.com/mikeesto/ausvotes19

:bird: A collection of 67,284 public tweets published on the night of the 2019 Australian election

australia data-analysis data-visualization elections open-data twitter

Last synced: 06 Apr 2025