Parameter identification for a stochastic logistic growth model with extinction

We consider a stochastic logistic growth model given by a stochastic differential equation, for which extinction can occur. We first propose appropriate adaptation of some standard inference methods when the process is observed at discrete time. Second, we show that the individual birth and death can be identified separately to some extent.     

Satisfied users clubs: family planning acceptors as model agents of the program

The National Population Program in the Philippines has encouraged family planning acceptors to shift from their passive role as recipients of family planning services into an active role as program participants. In the mid 1970s the Commission on Population (Popcom) began setting up satisfied users clubs in various regions of the country with the aid of the Ministry of Social Services and Development (MSSD). Other government institutions like the Ministry of Labor and Employment (MOLE) formed similar family planning groups. So did private agencies participating in the Program. There were indications at that time that community based family planning clubs could help the Program in informing couples about family planning and in motivating them to practice contraception. In 1977 a study conducted by the University of the Philippines Institute of Maternal Clinic found that family planning acceptors in Dumaguete City received social and psychological support from local barrio women's clubs. A 1978 Community Outreach Survey indicated that full time outreach workers (FTOWs) found statisfied users clubs helpful in increasing the number of new acceptors in their areas and in bringing down the number of family planning dropouts. Once a decision to create a club is made, club organizers meet with the barangay captain and his council to get their approval and seek their cooperation in inviting people to join the proposed club. Once the approval is given known family planning users in the community or mothers of reproductive age are invited to attend a community assembly. Of 59 clubs surveyed, only 10 had a formal constitution and bylaws. All clubs elected their officers and conducted monthly meetings which lasted from 2-4 hours. The main selling proposition of the clubs is the involvement of members in nonfamily planning activities like income generating schemes, skills training, nutrition seminars, and immunization of children. 81% of the officers of all 59 clubs were family planning acceptors. The majority of officers had undergone voluntary sterilization. Only 8 of the 59 clubs considered themselves single purpose clubs committed to the promotion of family planning. The other 51 were multipurpose organizations, with both family planning and nonfamily planning activities. In the area of family planning, the club's objectives were to increase family planning acceptors, disseminate family planning information, and maintain current users.     

Bestiality: An Overview and Analytic Discussion

Individuals who experience sexual and emotional attractions to animals are widely considered deviant in American society. Such a condition is frequently referred to as bestiality and zoophilia, which in fact describe two separate types of sexual behaviors. A multitude of studies have uncovered a range of prevalence rates across different demographic groups, which may vary due to the terminology and the type of data collection methods utilized. Dogs and horses are consistently chosen as the preferred animal to engage in sexual activities by humans, while male animals have been presented as the heavily favored sex of animal. It is questionable whether one's sexual orientation corresponds with the preference of the sex of the animal. Those engaged in human–animal sexual contacts vary in their reasoning behind their sexual behavior with animals, which are generally environmentally or belief based, and reinforce certain myths. Since the development of the Internet not only has it promoted an enhanced research perspective of the sexual behaviors of bestialists and zoophiles, but they have also found an environment populated by like‐minded individuals with similar sexual behaviors/interests.     

Le fan comme travailleur : les activités méconnues d’un coproducteur dévoué

We can no longer take fans to be mere consumers of art and entertainment. Given their wide range of involvement (fan clubs, street teams, digital communities…), they are producers as well. In this respect, fans are not just an economic resource but also a work force. Various forms of cooperation between fans and the “cultural industry” are examined. Attention is drawn to their limits and to the consequences in this branch of the economy, which is undergoing a crisis.     

A fresh look at family planning communication

As a step toward development of a national information, education, and communication (IEC) plan, a reassessment of such efforts practiced by the agencies involved was undertaken. A paper published in 1978 by the Research Utilization Unit of the Population Information Division, Population Center Foundation, reviewed materials used and accounts of experience in conceptualizing and communicating family planning messages by 12 private and public sector agencies. The most common concepts employed by the agencies were small family size, responsible parenthood, family welfare, community and national development, birth spacing, delayed marriage, contraceptive use-effectiveness, "manliness," delayed 1st pregnancy, value and rights of children, human behavior and social environment, and population dynamics. Most of the messages were conceptualized and developed through formal and informal consultation with field staff. The need to consider the specific needs of target audiences was considered crucial, and thus decentralization of IEC production was recommended. Such decentralization has been a goal of the Philippine program since 1976, but the effort has been hampered by lack of local training and resources, and of studies to support successful implementation. Mass and mixed media approaches were found to be used by most of the agencies, although a reliance on interpersonal approaches was found to be most prevalent in rural areas. Among recommendations for policy makers were development of a systematized data base for IEC materials, regional capabilities in research and development, and studies of funding and existing resources.     

Just say no to data listings!

Sponsor companies often create voluminous static listings for Clinical Study Reports (CSRs) and regulatory submissions, and possibly for internal use to review participant-level data. This is likely due to the perception that they are required and/or lack of knowledge of various alternatives. However, there are other ways of viewing clinical study data that can provide an improved user experience, and are made possible by standard data structures such as the Study Data Tabulation Model (SDTM). The purpose of this paper is to explore some alternatives to providing a complete set of static listings and make a case for sponsors to begin considering these alternatives. We will discuss the recommendations from the PHUSE white paper, “Data Listings in Clinical Study Reports.”     

Characterizations based on generalized cumulative residual entropy functions

The Shannon entropy and the cumulative residual entropy (CRE) of a random variable are useful tools in probability theory. Recently, a new concept called generalized cumulative residual entropy (GCRE) of order n was introduced and studied. It is related with the record values of a sequence of i.i.d. random variables and with the relevation transform. In this paper, we show that, under some assumptions, the GCRE function of a fixed order n uniquely determines the distribution function. Some characterizations of particular probability models are obtained from this general result.     

On the pointwise mean squared error of a multidimensional term-by-term thresholding wavelet estimator

In this paper we provide a theoretical contribution to the pointwise mean squared error of an adaptive multidimensional term-by-term thresholding wavelet estimator. A general result exhibiting fast rates of convergence under mild assumptions on the model is proved. It can be applied for a wide range of non parametric models including possible dependent observations. We give applications of this result for the non parametric regression function estimation problem (with random design) and the conditional density estimation problem.