# zonination/investing

Investing Returns on the Market as a Whole

Repository: https://github.com/zonination/investing
Canonical: https://ross.abutalabs.com/products/investing
Language: R
License: MIT
License Family: permissive
Last push: 2016-12-27T13:58:02+00:00

## Health v2 (maintenance only)
Score: 32/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 0, release rhythm 35, longevity 100
- inputs: {"age_days": 3723, "days_push": 3536, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: no_releases
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1742, forks 110 (observed 2026-08-28T04:05:30.350617+00:00)

## What it is
A dataset and R-based visualization project showing historical S&P 500 market returns, built from Robert Shiller's data. It includes CSV source files and gallery visualizations demonstrating long-term investing outcomes.

## Use cases
- visualize historical stock market returns over long holding periods
- get S&P 500 historical data as CSV for analysis
- teach long-term investing concepts with charts
- simulate lump-sum investment returns in US stocks
- explore market risk vs time horizon with data

## When to choose
- you need historical S&P 500 return data for analysis or teaching
- you want ready-made visualizations of long-term market performance

## When to avoid
- you need up-to-date market data (source data last updated 2016)
- you want a diversified portfolio or dollar-cost-averaging model
- you need financial advice or a production investment tool

## Facets
- artifact type: dataset
- maturity: maintenance
- function: data-visualization, data-science
- domain: data-visualization, fintech, data-science
- platform: python, cross-platform
- tags: s-and-p-500, stock-market-returns, r, dataviz, historical-data, personal-finance

## Member repositories
- zonination/investing (main) score 32

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:05:30.350617+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T03:29:56.622525+00:00, confidence not recorded.
  - readme: https://github.com/zonination/investing (fetched 2026-08-28T04:05:30.350617+00:00, sha 1779505486c4)
- Data as of 2026-08-30T08:39:29.467469+00:00.