Unsupervised machine learning for detection of phase transitions in off-lattice systems I. Foundations

We demonstrate the utility of an unsupervised machine learning tool for the detection of phase transitions in off-lattice systems. We focus on the application of principal component analysis (PCA) to detect the freezing transitions of two-dimensional hard-disk and three-dimensional hard-sphere systems as well as liquid-gas phase separation in a patchy colloid model. As we demonstrate, PCA autonomously discovers order-parameter-like quantities that report on phase transitions, mitigating the need for a priori construction or identification of a suitable order parameter--thus streamlining the routine analysis of phase behavior. In a companion paper, we further develop the method established here to explore the detection of phase transitions in various model systems controlled by compositional demixing, liquid crystalline ordering, and non-equilibrium active forces

Horizontal Educational Inequalities and Civil Conflict: The Nexus of Ethnicity, Inequality, and Violent Conflict

Development economists have long questioned the relationship between civil conflict, inequality, and ethnic heterogeneity. While most quantitative literature has focused on inequality between individuals, this study analyzes the relationship of horizontal inequality – between groups of individuals sharing a common identity – and propensity for the onset of civil conflict, focusing on horizontal educational inequality (HEI). Findings from Demographic and Health Survey data for 44 countries from 1986 to 2005 show that measures of both female and male HEI are marginally or not significant in predicting civil conflict but strongly significant in predicting ethnic civil conflict

A Time Budget for the Homemaker

The question of shortening the working day is not one which concerns only the man who works in a mill or the woman in the factory. It is of quite as much importance for those who believe that the homemaker, with her three hundred and sixty-five day job, has an obligation to her community and state. Wise family financing is being increasingly emphasized because incomes, in the large majority of homes, are limited. For a similar reason, wise use of time needs as much consideration

Alien Registration- Lindquist, Anna M. (Enfield, Penobscot County)

https://digitalmaine.com/alien_docs/10145/thumbnail.jp

The Goal of Home Management Courses at Iowa State

The initial letters of the words Home Economics are coming to stand for Health and Happiness Education in the Home, and today men and women in this field are emphasizing more and more the importance of giving to the student in home economics an appreciation of all of the responsibilities of the homemaker, together with that subject matter which will enable her to be more intelligent in her own home or in the training of girls and women for homemaking

The Household Administration Department

From a department with instructors loaned from the Foods and Nutrition, and Textiles and Clothing Departments, Household Administration has grown to have its own faculty, which at the present time numbers 12, with Dean Richardson as its head. Some of the newer developments in Home Economics are to be found in this department, thru courses in child care and training, equipment and home management. Miss Davison is in charge of equipment work; Mrs. Lancaster directs the child care and training program, and Miss Lindquist is responsible for the home management courses. Dr. Elizabeth Hoyt is Dr. Hazel Kyrk\u27s successor this year and is directing a study of consumption habits in Iowa farm homes as a part of the program of research on the economic problems of the home

Put the Home Into Homemaking

The status of the American Home is such as to offer a challenge to the women of the United States. The home is at present a turbulent haven--an uncertain citadel