data collection in quantitative research
báo cáo hóa học:" Quality of data collection in a large HIV observational clinic database in sub-Saharan Africa: implications for clinical research and audit of care" docx
Ngày tải lên :
20/06/2014, 08:20
... patients in research cohort and same 559 patients in routine clinic databases; and (Comparison B) 559 patients in research cohort database versus 1233 patients in routine clinic database Research ... cohort database (n = 559) Type of OI Routine clinic database (n = 559) Routine clinic database (n = 1233) % underreporting of OI % events in 559 patients in underreporting routine clinic vs of OI research ... patients in the routine clinic database with the 559 patients in the research cohort database in order to assess the level of underreporting in a larger number of patients in the clinic database...
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Báo cáo hóa học: " Research Article Opportunistic Data Collection in Sparse Wireless Sensor Networks" docx
Ngày tải lên :
21/06/2014, 11:20
... behind Instead of deleting messages on transmission, CHARON retains them in a special state that does not allow further forwarding, except in the case that the node meets a sink Messages in this ... routing efficiency through simulation results In this section, we extend and enrich CHARON analysis by discussing its performance in an experimental scenario involving real WSN nodes Beginning ... Communications and Networking Interesting topics for future research include the use of message integrity codes to provide trusted forwarding and the extraction of approximate location information from...
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Báo cáo y học: "Standardisation of data collection in traumatic brain injury: key to the future" pot
Ngày tải lên :
13/08/2014, 19:20
... were integrated in the US into a much larger interagency initiative towards ‘an integrated approach to research in psychological health and traumatic brain injury’ This initiative included working ... contained in continuous monitoring We strongly advocate further development of software aimed at capturing the frequency distribution of measured values during continuous monitoring and further research ... successful results in the near future Competing interests Grant support was provided by NIH-NINDS (NS 042691) and further funded as part of the interagency initiative in the US towards ‘an integrated...
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On structure less and everlasting data collection in wireless sensor networks
Ngày tải lên :
04/07/2016, 17:26
... aggregation points (not including the sink) Compared to the 50 packets in the beginning, DAA reduces the packets to only seven without incurring any overhead of constructing or maintaining a structure ... tree-based data- centric routing protocols, which takes sensing information entropy into the routing metric In [75, 74], Scaglione and Servetto propose a broadcast routing protocol to disseminate the information ... temperature reading back to the sink, and the sink can then compute the average temperature from collected readings However, instead of sending individual readings back to the sink, intermediate...
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sharing experiences with mobile devices data collection in uganda 0
Ngày tải lên :
05/12/2016, 17:14
... conceptual stages involved designing the form, deploying the Form on the server, deploying the form on the device, collecting data, sending data to the server and downloading the data from ... developed before the actual data collection exercise where possible Training and Support days of In- depth training of enumerators Data integrity and security Learning curve and supervisors ... not sustainable mobile phone Data delays and data obsolete yet wanted real time data for planning at that level lack of integration of the data -Was done with the objective of introducing the...
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STUDIES OF WELFARE POPULATIONS Data Collection and Research Issues potx
Ngày tải lên :
06/03/2014, 15:20
... such diversity into account in designing content and deploying interviewers They then discuss specific issues in increasing response rates, including obtaining contact information in the presurvey ... with administrative data in their paper and propose ways for increasing researcher access to administrative data The authors begin by noting that the legal barriers to obtaining access to administrative ... problems in measuring employment and income with administrative data compared to survey data; and (4) the availability of administrative data on children Issues in the matching and cleaning of administrative...
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Protecting Data Privacy in Health Services Research pptx
Ngày tải lên :
22/03/2014, 23:20
... resources and training to oversee HSR better, since HSR differs in important ways from clinical research involving new drugs or invasive medical interventions Second, protecting the confidentiality ... Protecting Data Privacy in Health Services Research http://www.nap.edu/catalog/9952.html i Protecting Data Privacy in Health Services Research Committee on the Role of Institutional Review Boards in ... health information Information routinely collected in the course of providing and paying for health care can be used by researchers to investigate the relative effectiveness of alternative clinical...
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quantitative data analysis in education - a critical introduction using spss - p. connolly (routledge, 2007) ww
Ngày tải lên :
03/05/2014, 19:16
... bullying dataset as it appears in SPSS Save As window Opening SPSS in Windows XP SPSS 15.0 for Windows window in SPSS Open Data window Options window in SPSS Value labels icon in SPSS Viewing summaries ... View in SPSS Value Labels window in SPSS Frequencies window in SPSS SPSS Output window Defining variables in SPSS Variable Type window in SPSS Value Labels window in SPSS Missing Values window in ... window in SPSS Adding a title to a chart in the Chart Editor window in SPSS Adding a footnote to a chart in the Chart Editor window in SPSS Changing the color of bars using the Properties window...
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Báo cáo hóa học: " Research Article Efficient Data Association in Visual Sensor Networks with Missing Detection" ppt
Ngày tải lên :
21/06/2014, 05:20
... intractable In fact, intractability is an intrinsic property of the data association problems, no matter in VSN or in traditional multitargets tracking [9] In traditional MTT community, data association ... burden in the inference computation Fortunately, it turns out in Section that most of the routing variables can be summed out during inference and the introduction of routing variable increases ... function In fact, in [27] the approximation of inference manifests in replacing the joint distribution of interest with a product of conditional distributions and discarding some of the conditioning...
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Quantitative Models in Marketing Research Chapter 2 ppsx
Ngày tải lên :
06/07/2014, 05:20
... to charity 24 Quantitative models in marketing research 39.47%) Similar kinds of intuitively plausible indications can be obtained from the last two panels in table 2.5 concerning the pairs of ... binomial variable in the previous subsection In a sense, the resultant quantitative models to be discussed in chapter also quite naturally extend those in chapter Examples in the marketing research ... limited continuous variable A typical data set in direct mailing using, say, catalogs involves two types of information The first concerns the response of a household to such a mailing This response...
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Quantitative Models in Marketing Research Chapter 3 pdf
Ngày tải lên :
06/07/2014, 05:20
... usually defines 32 Quantitative models in marketing research the ðK þ 1Þ Â vector of parameters , containing the K þ unknown parameters , to K , and the  ðK þ 1Þ vector Xt , containing the known ... followed 34 Quantitative models in marketing research 3.2 Estimation In this section we briefly discuss parameter estimation in the standard Linear Regression model We first discuss the Ordinary Least ... the maintained assumptions for the unobserved error variable "t in (3.7) are violated or that the functional form (which is obviously linear in the standard Linear Regression model) is inappropriate...
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Quantitative Models in Marketing Research Chapter 4 potx
Ngày tải lên :
06/07/2014, 05:20
... tossing a fair coin In that case, the probability of obtaining heads or tails is 0:5 When modeling marketing data concerning, for example, brand choice or the response to a direct mailing, ... same kind of DGP was used in chapter Additionally, in order to obtain binomial data, we apply the rule Yi ¼ if yà > and Yi ¼ if yà In figure 4.1, we depict a scatter diai i gram of this binomial ... in other cases it can be more convenient to set the intercept parameter equal to zero In figure 4.2, we provide a scatter diagram of yà against xi , when the data i are again generated according...
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Quantitative Models in Marketing Research Chapter 5 pot
Ngày tải lên :
06/07/2014, 05:20
... restricting the corresponding parameters to zero Put another way, multiplying the numerator and denominator in (5.4) by a non-zero constant, for example expð Þ, changes the intercept parameters 0;j into ... for J ¼ (5.6) reduces to the binomial Logit model discussed in the previous chapter The model in (5.6) assumes that the choices can be explained by intercepts and by individual-specific variables ... multivariate Bernoulli distribution denoted as 78 Quantitative models in marketing research Yi $ MNð1; 1 ; ; J Þ ð5:2Þ (see section A.2 in the Appendix) This distribution implies that the...
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Quantitative Models in Marketing Research Chapter 6 potx
Ngày tải lên :
06/07/2014, 05:20
... categories In section 6.4 we illustrate the two models for the data set on the classification of individuals according to risk profiles Elements of this data set were discussed in chapter Finally, in section ... model Finally, we provide some details on how one can interpret the parameters of these models 6.1.1 Modeling an ordered dependent variable As already indicated in chapter 4, the most intuitively ... are ordered Mapping yà onto a multinomial variable, while preserving the fact that yà i i is a continuous variable that depends linearly on an explanatory variable, and thus making sure that this...
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Quantitative Models in Marketing Research Chapter 7 docx
Ngày tải lên :
06/07/2014, 05:20
... 134 Quantitative models in marketing research donation behavior may be explained by the age and income of the individual The regression-type models to describe ... models In section 7.3 we consider diagnostic measures, model selection and forecasting In section 7.4 we apply two Tobit models to describe the charity donations data discussed in section 2.2.5 Finally, ... $ Nð0; 1Þ; ð7:5Þ where i ¼ 1; 2; ; N In this figure we not include the observations for which yi The line in this graph is the estimated regression line based on OLS (see chapter 3) We readily...
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Quantitative Models in Marketing Research Chapter 8 doc
Ngày tải lên :
06/07/2014, 05:20
... In section 8.4 we illustrate models for interpurchase times in relation to liquid detergents (see section 2.2.6 for more details on the data) Finally, in section 8.5 we again deal with modeling ... values on the interval ½0; 1Þ In the remainder of this chapter we will focus the discussion on modeling such continuous duration data The discussion concerning discrete duration data turns out ... with ¼ 1:5 and ¼ 164 Quantitative models in marketing research In practice, for many problems we are interested not particularly in the density of the durations but in the shape of the hazard...
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báo cáo khoa học: "Instrument development, data collection, and characteristics of practices, staff, and measures in the Improving Quality of Care in Diabetes (iQuaD) Study" pptx
Ngày tải lên :
10/08/2014, 10:23
... uptake of the findings of clinical research into routine healthcare, thereby improving care for patients; it includes the study of both individual and organisational factors Within implementation ... The baseline questionnaire (clinical questions) was sent to all clinical staff within each of the 99 practices (843 in total) Of clinicians who indicated that they were involved in providing diabetes ... measures (674 clinical; 931 admin) 1055 “Involved in diabetes care”3 (547 clinical; 508 admin) 890 completed diabetes specific organisational measures (529 clinical; 361 admin) Baseline Clinical Questionnaire...
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A COMPRESSED DATA COLLECTION SYSTEMFOR USE IN WIRELESS SENSOR NETWORKS
Ngày tải lên :
24/08/2014, 12:25
... gateway machine The third component is the gateway system which is in charge of receiving data from the sink, doing any preliminary processing necessary, storing the data to a local database, and ... many researchers who are interested in deploying a WSN to collect specific data have little to no experience in programming The primary goal of this work is to determine if a data gathering wireless ... functionalities including receiving packet data from the network for decoding and processing Additionally, there should be a system for writing data to the database as well as forwarding it on to...
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Bài giảng phân tích dữ liệu trong phân tích định lượng data analysis quantitative research hồ thanh trí
Ngày tải lên :
20/05/2016, 22:14
... nên bạn lặp lờ coi vấn đề vấn đề lớn lên đến mức giải ” (sưu tầm internet) XÁC ĐỊNH NGUỒN THU NHẬP THÔNG TIN XÁC ĐỊNH THÔNG TIN CẦN THU THẬP Có loại liệu chính: Dữ liệu định tính: Loại liệu ... (để ngoặc đơn) đơn) đơn) Tên viết Tên sách (in nghiên) Tên chương Tên tạp chí (in nghiên) Ấn Tác giả sách: tên họ tên viết tắt Tập số Nơi xuất Tên sách (in nghiên) Phần/số Nhà xuất Ấn Số trang (đứng ... Theo John (2008), John (2008) cho rằng…., John (2008) chứng minh……, John (2008) kết luận…, ……(John, 2008) Các công trình tác giả (Martin, 2005; Smith, 2007; Tên theo thứ tự a, b, c khác Tri, 2006)...
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BC su dung TEMS investiongation data collection
Ngày tải lên :
29/08/2013, 13:44
... Driving test Trong trình Driving test số công cụ thường dùng để giám sát phát lỗi Map, Serving + Neighbour cell, C/I [MS1], Radio Parameters, Line Chart, Cell Definition, Command Sequence, Interference ... thiếu Neighbouring cell, MS Handover sang trạm khác điều gây nên Call Drop Ngoài việc phân tích KPI để xác định việc thiếu Neighbouring cell Outgoing HO Success Rate, Incoming,…thì Driving test hiệu ... Neighbouring cell Hình 3.4 Khai báo thiếu Neighbouring cell Kiểm tra missing neghbour cách xem trực tiếp sổ Map trình Driving test Khi Driving test phát có lỗi khai báo thiếu Neighbouring cell,...
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