Machine Learning (ML) methods have been proposed in the academic literature as alternatives to statistical ones for time series forecasting. Yet, scant evidence is available about their relative performance in terms of accuracy and computational requirements. The purpose of this paper is to evaluate such performance across multiple forecasting horizons using a large subset of 1045 monthly time.

Climate change is a serious challenge that needs to be addressed through thoughtful policies that will have a meaningful impact. The best solutions are going to come from the private sector—or the private sector working together with government. What do you mean by 30 scheduled messages? Our Free plan lets you schedule up to 30 messages at any given time. Once you reach the limit of 30 messages, you won’t be able to schedule another message until one of your scheduled messages is published (or deleted). OkCupid requires you enable Javascript in your browser. Tip #1: Sign up for the best bookmakers Before beginning to analyse a basketball game, it is important that you register with as many bookmakers as possible. Although basketball is not the most popular sport that the general public will place bets on, bookmakers always offer plenty of odds on the basketball games being played but some more than.

Disease detection. Noninvasive prenatal screening and testing. Faster and better scientific and medical research. Safe food and water. And the very latest in cannabis analysis and solutions. Imagine impacting all this and more, every day.

That's what we do.

Join us and discover what’s possible, what’s next, and what great heights we can achieve together.

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With nearly 13,000 employees worldwide, we pioneer scientific technologies to deliver unique solutions for the diagnostics, life sciences, food, and applied markets. Our areas of expertise include:

Our Areas ofexpertise:Detection

Whether it’s environmental testing for contaminants in groundwater or investigating biological pathways, our powerful detection technologies identify organic or inorganic contaminants, biomarkers, and much more. We offer a comprehensive suite of technologies for analytical sciences, life sciences, and diagnostics. Join Us »about detection technologies at PerkinElmer

Our Areas ofexpertise:Informatics

Our Informatics solutions help customers visualize and analyze data better to gain critical insights. Which, in turn, helps them make better decisions. Using our Informatics helps unify figures and fast-track activities across R&D, translational research and clinical trial operations. And, in the end, that means researchers are able to transform isolated data into stunning discoveries. Join Us »about informatics solutions at PerkinElmer

Our Areas ofexpertise:Imaging

Research scientists can gain significant insights into the complexities of biology and disease with our powerful imaging platforms. Whether it’s cellular or in vivo, our imaging solutions allow for the measurement of microscopic activity. With that information providing rich datasets, we can help streamline and accelerate basic research and drug discovery. Join Us »about imaging platforms at PerkinElmer

Our Areas ofexpertise:Services

Today’s labs are both scientific and commercial enterprises – and to compete and win, they need services that consider each side. So, we take a consultative approach to understand a lab’s requirements, whether it’s to manage efficiency, develop new assays or run clinical tests. Our customized solutions ensure every lab is operating at its full potential. Join Us »about services offered by PerkinElmer

Career Areas

• Research and Development

  Nothing beats that “eureka” moment: Our R&D professionals’ passion and talents have resulted in decades of patent awards and breakthrough technologies. See Jobs » in Research and Development

• Sales and Services

  From Newborn Screening Software to the latest Nebulizer Systems, our products and services make a difference – and so do the people who sell and stand behind them. See Jobs » in Sales and Services

• Operations and Administration

  We conduct business in nearly every country in the world and our global, state-of-the-art facilities and operations offer a high degree of flexibility and opportunities to excel. See Jobs » in Operations and Administration

• Corporate Functions

  From IT to HR and Legal to Marketing, our corporate professionals profoundly impact our business success in support of a healthier planet and population. See Jobs » in Corporate Functions

Over 80 Years of Global Success

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• 3,500 patents.

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'There is nothing cookie-cutter about my job. I’m never stuck doing routine tasks.'

The U.S. Chamber of Commerce’s mission is to take on the challenges facing the American business community based on the belief that a strong economy gives our citizens opportunity, contributes to national security, and underpins a healthier society.

The Chamber’s Position

The climate is changing and humans are contributing to these changes.

We believe that there is much common ground on which all sides of this discussion could come together to address climate change with policies that are practical, flexible, predictable, and durable. We believe in a policy approach that acknowledges the costs of action and inaction and the competitiveness of the U.S. economy.

The Chamber believes that an effective climate policy should:

Support a Market-Based Approach to Accelerate GHG Emissions Reductions Across the U.S. Economy

We believe that durable climate policy must be made by Congress, and that it should encourage innovation and investment to ensure significant emissions reductions, while avoiding economic harm for businesses, consumers and disadvantaged communities. This policy should include well designed market mechanisms that are transparent and not distorted by overlapping regulations. U.S. climate policy should recognize the urgent need for action, while maintaining the national and international competitiveness of U.S. industry and ensuring consistency with free enterprise and free trade principles.

Leverage the power of business

It will be largely up to the business community to develop, finance, build, and operate the solutions needed to power economic growth worldwide, mitigate greenhouse gas emissions, and build resilient, lower-carbon infrastructure. Thousands of businesses already are taking action in their own operations and along their value chains by investing in technology solutions and enhancing their efficiency.

Maintain U.S. leadership in climate science

Climate policy should be informed by the best science and observations available. The U.S. should continue to be the world leader in climate change science and the major sponsor of the research used in multi-lateral scientific forums.

Embrace technology and innovation

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Advanced technologies and innovation offer the best solution for managing climate risks and reducing greenhouse gas (GHG) emissions. Breakthroughs in commercially-viable technologies are necessary to enable significant cuts in GHG emissions without harming economic growth or the competitiveness of energy-intensive trade-exposed industries.

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The U.S. should maintain a leadership role in technologies, such as advanced nuclear, energy efficient systems and building materials, and large-scale renewables, energy storage and batteries, high-efficiency low-emission power plants, and carbon capture and storage/utilization by supporting a broad-based public- and private-sector technology portfolio.

The Chamber will continue to support strengthening America’s scientific enterprise, including its national lab system. A technology-neutral climate change policy offers the best opportunity to deliver cost-effective, achievable, and meaningful greenhouse gas emissions reductions.

Aggressively pursue greater energy efficiency

Improving energy efficiency on both the supply and demand sides can bring almost immediate benefits to business operations and the environment.

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Promote climate resilient infrastructure

Adaptation and resilience is critical to minimizing the risk and impacts of climate change. Business is ready to design and build the resilient, low-carbon infrastructure of the future.

Support trade in U.S. technologies and products

Demand for advanced technologies will offer opportunities for growing exports of American technologies, products, and services. Technology cooperation, public-private partnerships, innovative financing, and capacity building are necessary for facilitating commerce in climate solutions stamped “Made in the USA.” Trade rules should protect intellectual property.

Encourage international cooperation

The United Nations Framework Convention on Climate Change’s (UNFCCC) Paris Agreement established a comprehensive framework for international action. Greater collaboration between governments and businesses is essential to build the best models to tackle climate challenges, which is why the Chamber supports U.S. participation in the Paris Agreement. The Chamber is an official UNFCCC observer, and it will continue to work with its overseas business partners to pursue a formal channel to push for greater business input to the UNFCCC. Business must be at the table to be part of the solution.

Inaction is not an option.

We call on policymakers to seize on an approach that rises to the challenge of climate change, leveraging business leadership and expertise, America’s energy edge and our ability to innovate.