The purpose of this research is to classify digital wallet users in the city Medan using DBSCAN method. method used study analysis. sampling technique uses Quota technique. instrument for collecting data was a questionnaire distributed online. Respondents from 10 sub-districts filled out questionnaire. Next, analysis all carried following steps: collection stage, stage method, and conclusions. ...

We describe an extension of the pseudo maximum likelihood (PML) estimation method developed by Skinner (1989) to multistage strati ̄ed cluster sampling designs, including ̄nite population and unequal probability sampling. We conduct simulation studies to evaluate the performance of the proposed estimator. The estimator is also compared to the general estimating equation (GEE) method for linear r...

the purpose of the present study was to determine gender differences in the language development and skills of first grade students of primary schools in marivan-iran. to do this, 260 first grade students (140 males and 120 females) were chosen by multi stage cluster sampling and stratified random sampling methods among the first grade students in elementary schools in the 2011-2012 academic ye...

background: lack of nutritional knowledge is one of the most important reasons of nutritional problems and consequently im­proper practice, which can lead to several complications. this study has been designed in order to compare knowledge, at­ti­tude and practices of the urban and rural households regarding iron deficiency anemia (ida) in boushehr, golestan and sis­tan & balouchestan provinces...

Article history: Received date: 26 August, 2016 Review date: 9 October 2016 Accepted date:21October 2016 Printed on line:1 September  Purpose: The aim of the current study was investigating the role of Philosophy for Children (p4c) teaching approach in increasing first grade female high school students reading comprehension in Tehran educational five zone. Materials and...

BACKGROUND Although the Expanded Programme on Immunization (EPI) cluster survey methodology has been successfully used for assessing levels of immunization programme coverage in developing country settings, certain features of the methodology, as it is usually carried out, make it less-than-optimal choice for large, national surveys and/or surveys with multiple measurement objectives. What is n...

In empirical work in economics it is common to report standard errors that account for clustering of units. Typically, the motivation given for the clustering adjustments is that unobserved components in outcomes for units within clusters are correlated. However, because correlation may occur across more than one dimension, this motivation makes it difficult to justify why researchers use clust...