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• 1. Roper Center for Public Opinion Research

  The Roper Center for Public Opinion Research at the University of Connecticut holds an archive of over 10,000 datasets from polls conducted by survey research organizations, both in the US and internationally. Major survey research organizations represented in Roper Center collections include The Gallup Organization, Louis Harris and Associates, the National Opinion Research Center at the University of Chicago, media organizations, and others. Most of the datasets are national adult samples, but some cover special groups, such as youth, college faculty, Latinos, or business executives. The RoperExpress service provides direct download for about 75% of the Center's public opinion studies conducted in the US and many recent studies from outside the US. To request a Roper Center dataset that is not available via RoperExpress, contact the Data & Information Services Center at disc@mailplus.wisc.edu. (Updated daily)

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• 2. WebCSD (Cambridge Structural Database - Chemistry)

  The CSD records bibliographic, chemical, and crystallographic information for organic molecules and metal-organic compounds whose 3D structures have been determined using X-ray diffraction and/or neutron diffraction. The CSD database records results of single crystal studies and/or powder diffraction studies which yield 3D atomic coordinate data for at least all non-H atoms. In some cases the CCDC is unable to obtain coordinates, and incomplete entries are archived to the CSD. The CSD includes crystal structure data arising from publications in the open literature including Private Communications to the CSD (via direct data deposition). The CSD does not store Polypeptides and polysaccharides having more than 24 units. These are recorded in the Protein Data Bank. Oligonucleotides are stored in the Nucleic Acids Data Bank. Inorganic structures are stored in the Inorganic Crystal Structure Database. Finally, the Metals and Alloys are stored in CRYSTMET. (Updated weekly)

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• 3. Historical Statistics of the United States (Millennial Edition Online)

  The Millennial Edition is the definitive source of statistics and data about the United States and is a key resource for American history research from Colonial times to the present. This is an updated version of the print resource. This resource includes statistics from over 1,000 sources and includes more than 37,000 data series. It covers all data on social, behavioral, humanistic, and natural sciences including history, economics, government, finance, sociology, demography, education, law, natural resources, climate, religion, international migration, and trade - quantitative facts of American History. Major categories include: Population, Work and Welfare, Economic Structure and Performance, Economic Sectors, Governance and International Relations.

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• 4. State of Wisconsin Legislative Redistricting

  In Wisconsin, responsibility for redrawing legislative and congressional district lines rests with the legislature. The legislature is required to redraw legislative and congressional districts every ten years based upon the results of the decennial federal census. This website is a collection of redistricting resources including maps, geospatial data, and interactive web mapping applications. The Wisconsin State Legislature utilizes Geographic Information Systems (GIS) to facilitate the ability to manage, analyze, and improve delivery of services to citizens. Redistricting information from this site is available for download in the following formats: static maps (PDF), and digital geospatial data. This information can also be displayed via interactive web mapping applications.

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• 5. Latin American Mortality Database (LAMBdA)

  The Latin American Mortality Database (LAMBdA) is a project at the University of Wisconsin-Madison that is directed by Dr. Alberto Palloni of the Department of Sociology. Originally created to support the empirical study of the history of mortality trends in Latin American countries after independence, LAMBdA now supports the study of very recent mortality trends and is particularly suited for the study of old age mortality during the post-WWII period. The database covers the interval between 1848 and 2014, it includes population censuses, age-specific (five year and single year age groups) total death counts (starting in 1900), and by causes of deaths (starting in 1945). It contains over 170 years of data, including adjusted life tables and a total of about 500 life tables. Adjustments are of two types: (a) for relative completeness of death counts and (b) for adult age misstatement. The adjustment procedures were chosen from a battery of 10-12 techniques that proved to be optimal (in the sense of mean squared error reduction) in extensive simulations that reproduced known or suspected sources of errors in the data. These adjustments are applied consistently across countries and years of observation. The resulting data are optimized for intertemporal and intercountry comparability. Please read the overview and the methods section for more details about the adjustments and the data. The Latin American Mortality Database is provided free of charge to all individuals who register to the site. Please do not pass your copy of these data to other users; instead, refer them to the LAMDBdA website where they can download the data for themselves. The database will continue to be updated and augmented with new data and products that will enhance the continuous study of mortality in these countries. The project is supported by research project grants from the National Institute

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• 6. North Temperate Lakes Long-Term Ecological Research Data Catalog

  Contains data collected at the North Temperate Lakes LTER in Wisconsin since at least 1981 organized by the Center for Limnology at the University of Wisconsin.

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• 7. UN Commodity Trade Statistics Database (UN Comtrade)

  Worldwide trade data by commodity, including country-to-country information. It contains well over 1.7 billion data records for the past 45 years. (Includes most recently completed year.)

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• 8. IndustriusCFO Industry Metrics

  Database that provides financial ratio benchmarking, profitability, case liquidity, sustainable growth rate, business valuation, square footage analysis, etc. for over 900,000 firms in 900 industries. Provides standard and unique ratio comparisons such as profits and sales per employee and spread between earnings on debt and cost of debt. And provides market value calculations for earning multiple and asset values for a comparison with similar firms in the same industry.

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• 9. IMF Data including International Financial Statistics (IFS)

  The IMF eLibrary Data contains a range of time series data on IMF lending, exchange rates, and other economic and financial indicators. The International Financial Statistcs (IFS) has been one of IMF's principal statistical datasets since 1948. Available indicators normally include a country's exchange rate, Fund position, international liquidity, monetary statistics, interest rates, prices, production, labor, international transactions, government accounts, national accounts, and population. (Updated monthly)

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• 10. NIST Atomic Spectra Database

  The Atomic Spectra Database (ASD) contains data for radiative transitions and energy levels in atoms and atomic ions. Data are included for observed transitions of 99 elements and energy levels of 56 elements. ASD contains data on about 950 spectra from about 1 Å (Ångströms) to 200 µm (micrometers), with about 72,000 energy levels and 102,000 lines, 40,000 of which have transition probabilities listed. The most current NIST-evaluated data associated with each transition are integrated under a single listing. Energy level data are included for most spectra of H-Kr (Z=1-36), Mo (Z=42), plus up to the first five spectra of the lanthanide rare earths (Z=57-71). Classified lines with transition probabilities are included for most spectra of H-Ni (Z=1-28); output for these can be ordered by either multiplet (for a given spectrum) or wavelength. Also, prominent lines (unclassified) with wavelengths and relative intensities are included for up to the first five spectra of H-Es (Z=1-99). Some transition probabilities are listed for selected lines of Cu-Es (Z=29-99). Comprehensive wavelength lists of observed lines with relative intensities are incorporated for all spectra of Mg, Al, S, Sc, plus Be I, O II, and Ne I.

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