THE DESIGN AND ANALYSIS OF EXPERIMENTS. By Oscar Kempthorne. New York, John Wiley and Sons, Inc., 1952. 631 pp. $8.50. This book by a teacher of statistics (as well as a consultant for \"experimenters\") is a comprehensive study of the philosophical background for the statistical design of experiment. It is necessary to have some facility with algebraic notation and manipulation to be able to use the volume intelligently. The problems are presented from the theoretical point of view, without such practical examples as would be helpful for those not acquainted with mathematics. The mathematical justification for the techniques is given. As a somewhat advanced treatment of the design and analysis of experiments, this volume will be interesting and helpful for many who approach statistics theoretically as well as practically. With emphasis on the \"why,\" and with description given broadly, the author relates the subject matter to the general theory of statistics and to the general problem of experimental inference. MARGARET J. ROBERTSON

The Design and Analysis of Experiments

Problem Given the number of times in which an unknown event has happened and failed: Required the chance that the probability of its happening in a single trial lies somewhere between any two degrees of probability that can be named. SECTION 1 Definition 1. Several events are inconsistent, when if one of them happens, none of the rest can. 2. Two events are contrary when one, or other of them must; and both together cannot happen. 3. An event is said to fail, when it cannot happen; or, which comes to the same thing, when its contrary has happened. 4. An event is said to be determined when it has either happened or failed. 5. The probability of any event is the ratio between the value at which an expectation depending on the happening of the event ought to be computed, and the value of the thing expected upon it’s 2 happening.

An essay towards solving a problem in the doctrine of chances. [Facsimil]

Patient Flow: Reducing Delay in Healthcare Delivery

/pdf/on-strategy-a-critical-analysis-of-the-vietnam-war-502bh0tl5q.pdf

On Strategy: A Critical Analysis of the Vietnam War.

This research investigates the impacts of the novel coronavirus disease, also referred to as COVID-19 pandemic, on the food and beverage industry. It examines both short-term and medium-to-long-term impacts of the pandemic and outlines strategies to reduce the potential consequences of those impacts. To this end, we use a qualitative, multiple-case-study methodology, collecting data from eight sample companies with fourteen respondents in the food and beverage industry in Bangladesh. The findings show that the short-term impacts of this pandemic, such as product expiry, shortage of working capital, and limited operations of distributors, are severe, while the medium-to-long-term impacts promise to be complex and uncertain. In the longer term, various performance metrics, such as return on investment by the firms, the contribution of the firms to the gross domestic product (GDP), and employee size, are all expected to decrease. Moreover, firms may need to restructure their supply chain and build relationships with new distributors and trade partners. The study proposes several strategies that managers in this sector can adopt to improve resiliency in the changing environment during and after the COVID-19 era. While this research is novel and contributes to both theory and practice, it does not consider small and medium-sized companies in the food and beverage industry. Therefore, the impacts and strategies we identify may not apply to smaller companies.

/pdf/a-case-study-on-strategies-to-deal-with-the-impacts-of-covid-3jd0nllm74.pdf

A case study on strategies to deal with the impacts of COVID-19 pandemic in the food and beverage industry

This paper focuses on the development of a new generation of interoperable simulators of micro activities in a logistics node; the proposed example focuses on a real-time full-scope virtual simulator of port activities able to simulate the activities of the whole port by having ships, cranes, trucks and containers interoperating in a federation. The technologies adopted in terms of architecture and installation were very effective in creating a mobile laboratory open to further extension by online interoperation with other simulators and with biomedical devices for assessing human capabilities within this framework. This approach allows us to face the existing challenges in extending the capabilities of a logistics node over their current capabilities limited by technological and human factors.

Logistics node simulator as an enabler for supply chain development: innovative portainer simulator as the assessment tool for human factors in port cranes

This paper proposes an integrated solution for port MS the authors propose the architecture, the description of the model, The containerisation of these simulators for guaranteeing maximum mobility as well as their integration with biomedical devices. The proposed system is designed to be used in operation training of Gantry Crane Operators as well as Research and Development (R&D) support in Container Terminal, Port Plants and Facilities.

Virtual world and biometrics as strongholds for the development of innovative port interoperable simulators for supporting both training and R&D

The focus of the research work presented in this article is the design of an industrial plant devoted to produce different types of hazelnuts-based products. The industrial plant design is initially based on a traditional approach (production process flow charts analysis and plant layout study) and it is then supported by a simulation model mainly used to investigate the system behavior in different operative scenarios. The industrial plant simulation model (called HAZIMUT, HAZelnuts Industrial plant design and management based on advanced simulation Models Utilization) recreates the entire hazelnuts production process (based on nine different production lines). The HAZIMUT simulation model is used to evaluate the effects — caused by multiple changes in the production lines capacities — on multiple performance measures based on machines levels utilization, work in process and production system productivity. The simulation results show how variations in production lines capacities generate an over-reaction...

Marina Massei

Papers

Logistics node simulator as an enabler for supply chain development: innovative portainer simulator as the assessment tool for human factors in port cranes

Virtual world and biometrics as strongholds for the development of innovative port interoperable simulators for supporting both training and R&D

An application of modeling and simulation to support industrial plants design

Evaluation of the impact of different human factor models on industrial and business processes

Intelligent Agents for Modelling Country Reconstruction Operation