Search Results - "Sahai, Hardeo"

FORMULAE AND TABLES FOR THE DETERMINATION OF SAMPLE SIZES AND POWER IN CLINICAL TRIALS FOR TESTING DIFFERENCES IN PROPORTIONS FOR THE TWO-SAMPLE DESIGN: A REVIEW by SAHAI, HARDEO, KHURSHID, ANWER

“…This paper is a compendium of exact and asymptotic formulae and tables for estimating the sample size in a clinical trial with two treatment groups and a…”
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A comparison of approximations to percentiles of the noncentral chi2-distribution by Hardeo Sahai, Mario Miguel Ojeda

“…Various approximations to percentiles of the noncentral 2-distribution are examined for their accuracy over a wide range of values of the parameters of the…”
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What is a census? by Sahai†, Hardeo

“…A census is a total process of collecting and publishing demographic, socioeconomic, and other pertinent data for all persons in a given country or region. The…”
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Variance Components Analysis: A Selective Literature Survey by Khuri, A. I., Sahai, Hardeo

“…A survey is given of developments in the area of variance components during the last three decades. The survey covers mainly point estimation, interval…”
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A mixed-effects model for growth curves analysis in a two-way crossed classification layout by Mario Miguel Ojeda, Hardeo Sahai

“…We propose a mixed-effects linear model for analyzing growth curves data obtained using a two-way classification experiment. The model combines an…”
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Between–City Variation in Frequency of Injection Among Puerto Rican Injection Drug Users: East Harlem, New York, and Bayamon, Puerto Rico by Colón, Héctor M., Robles, Rafaela R., Deren, Sherry, Sahai, Hardeo, Finlinson, H. Ann, Andía, Jonny, Cruz, Miguel A., Kang, Sung-Yeon, Oliver-Vélez, Denise

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Influence of environmental tobacco smoke on vitamin C status in children by PRESTON, Alan M, RODRIGUEZ, Cindy, RIVERA, Cynthia E, SAHAI, Hardeo

“…It is known that vitamin C status is compromised in smokers. The vitamin C status of nonsmokers who are exposed to environmental tobacco smoke (ETS) is now…”
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A comparative study of mortality among Puerto Rican injection drug users in East Harlem, New York, and Bayamon, Puerto Rico by Colon, Hector Manuel, Deren, Sherry, Robles, Rafaela Rivera, Kang, Sung-Yeon, Cabassa, Myrna, Sahai, Hardeo

“…Drug users have been found to be at high risk of mortality but the mortality experience of Hispanic drug users remains understudied. This study assessed…”
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Teaching of Statistics in Business, Economics and Management Sciences: Some Comments and a Selected Bibliography by Gandhi, B. V. R., Sahai, Hardeo, Acevedo, Nancy

“…The scarcest material of all is not tin, not mercury, not tungsten, but statistical knowledge … The proper use of statistical theory is a problem of…”
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The validity of drug use self-reports among hard core drug users in a household survey in Puerto Rico: comparison of survey responses of cocaine and heroin use with hair tests by COLON, Héctor M, ROBLES, Rafaela R, SAHAI, Hardeo

“…The extent to which underreporting of drug use in household surveys affects the validity of epidemiological studies of drug use disorders is largely unknown…”
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The validity of drug use responses in a household survey in Puerto Rico: comparison of survey responses of cocaine and heroin use with hair tests by Colón, Héctor M, Robles, Rafaela R, Sahai, Hardeo

“…Background Despite the widespread use of household surveys to assess the epidemiology of illicit drug use and abuse, there is very little information about the…”
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Influence of environmental tobacco smoke on vitamin C status in children123 by Preston, Alan M, Rodriguez, Cindy, Rivera, Cynthia E, Sahai, Hardeo

“…It is known that vitamin C status is compromised in smokers. The vitamin C status of nonsmokers who are exposed to environmental tobacco smoke (ETS) is now…”
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Determinants of Health Care Use among Puerto Rican Drug Users in Puerto Rico and New York City by Robles, Rafaela R., Matos, Tomás D., Colón, Héctor M., Deren, Sherry, Reyes, Juan Carlos, Andía, Jonny, Marrero, C. Amalia, Sahai, Hardeo

“…This study was conducted to identify factors accounting for differences in health care and drug treatment utilization between Puerto Rican drug users residing…”
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HIV risk behaviors and alcohol intoxication among injection drug users in Puerto Rico by Matos, Tomás D., Robles, Rafaela R., Sahai, Hardeo, Colón, Hector M., Reyes, Juan C., Marrero, C.Amalia, Calderón, José M., Shepard, Elizabeth W.

“…This paper reports results of an analysis of the association between alcohol intoxication and injection and sexual HIV risk behaviors among 557 Hispanic heroin…”
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Between-City Variation in Frequency of Injection Among Puerto Rican Injection Drug Users: East Harlem, New York, and Bayamon, Puerto Rico by Colón, Héctor M, Robles, Rafaela R, Deren, Sherry, Sahai, Hardeo, Finlinson, H Ann, Andía, Jonny, Cruz, Miguel A, Kang, Sung-Yeon, Oliver-Vélez, Denise

“…Frequency of injection has been consistently found to be higher among Puerto Rican Injection drug users (IDUs) than among other groups of IDUs. Several…”
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Factors associated with drug treatment dropout among injection drug users in Puerto Rico by Marrero, C.Amalia, Robles, Rafaela R., Colón, Héctor M., Reyes, Juan C., Matos, Tomás D., Sahai, Hardeo, Calderón, José M., Shepard, Elizabeth W.

“…This study examined factors associated with drug treatment dropout among injection drug users (IDUs) in Puerto Rico, a group that has contributed significantly…”
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Design-based sample and probability law-assumed sample: their role in scientific investigation by Ojeda, Mario Miguel, Sahai, Hardeo

“…Students in statistics service courses are frequently exposed to dogmatic approaches for evaluating the role of randomization in statistical designs, and…”
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Design-Based Sample and Probability Law-Assumed Sample: Their Role in Scientific Investigation by Ojeda, Mario Miguel, Sahai, Hardeo

“…Students in statistics service courses are frequently exposed to dogmatic approaches for evaluating the role of randomization in statistical designs, and…”
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Drug treatment disparities among Hispanic drug-using women in Puerto Rico and New York City by Robles, Rafaela Rivera, Matos, Tomás David, Deren, Sherry, Colón, Héctor Manuel, Sahai, Hardeo, Marrero, Carmen Amalia, Reyes, Juan Carlos, Andía, Jonny, Shepard, Elizabeth Winfield

“…This paper reports findings on 334 out-of-treatment drug users in Puerto Rico and 617 in New York City, at the 6-month follow-up interview of a Longitudinal…”
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Bayes equivariant estimators in a crossed classification random effects model by Sahai, Hardeo

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