Res 500 Essay

4501 Words Aug 23rd, 2015 19 Pages
Trident University

Data analysis is a procedure of inspecting, cleaning, transforming, and modelling data with the goal of highlighting useful information, suggesting conclusions, and supporting decision making. There are multiple facts and approaches, encompassing diverse techniques under a variety of names, in different business, science, and social science domains in data analysis. For data analysis we have to mine the data first for our purpose such that the data we can handle easily. Basically for data analysis our first thing to do our planning, how we are going to collect the data, our going data going to make sense or not, actually data will be meaningful for our object, after
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Populations defined by race, age, sex or income can often be directly estimated using census data. When population characteristics cannot be measured using Census data, topical sample surveys are the next best source of data. After that question may arise for this survey which children we take for our survey and which age of children we are going to consider. Children with special health care needs (CSHCN) include children with a wide variety of health conditions. Some of these children also have more than one condition. Estimation of the number of CSHCN may involve identifying. The prevalence of children with special needs as identified by state and federal programs, The prevalence of specific diseases and conditions in children, the prevalence of functional limitations among children, the proportion of children who require or need specialized services, and the proportion of children who are regarded by others as disabled. Because there is no data source from which a direct measurement of the size of this population can be estimated and because of the diversity of definitions, no one method alone will completely provide an all-inclusive estimate of the prevalence of CSHCN. Therefore, averaging and/or summing multiple types of estimates may be required. Before we can create an estimate it is important to understand the variety of ways that this population may be defined.
Sampling frame: In a perfect survey, the target

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