Primary data is original data collected firsthand for a specific research purpose, while secondary data is existing data collected by others for different purposes. 首先确定问题完整且不包含需要舍弃的情况。初级数据(primary data)指研究者亲自收集的第一手数据,如通过调查问卷、实验或观察获得,针对性解决当...
在英语中，primary data是主要数据，secondary data是次要数据。用Primary data举例子：separate the primary data and indices to that data.他们的解决方案是把主要数据和这些数据的索引分离开来。The Node object is the primary data type for the entire DOM.节点对象是整个DOM中最主要的数据类型。用...
1、separate the primary data and indices to that data.他们的解决方案是把主要数据和这些数据的索引分离开来。2、The Node object is the primary data type for the entire DOM.节点对象是整个DOM中最主要的数据类型。3、You design it by selecting a number of primary data records from the ...
【知识点】 Primary and Secondary data-主要和次要数据 Primary and Secondary data-主要和次要数据 Primary dataare data collected especially/particularly for a specific purpose. Secondary dataare data which have already been collected elsewhere, for some other purpose, but which can be used or adapted ...
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secondary data and primarydata ResearchMethodsinInternationalBusiness LinHua林花SouthwesternUniversityofFinanceandEconomics2012 1 Lecture5Structures Today’scoursestructures:Firstclass:taughtcourseDatasources:1.Secondarydata2.PrimarydataSecondclass:discussingwithyouaboutyourresearchtopicandresearchproblems(questions)2 Lec...
一手数据（Primary data）：也称原始数据。指通过人员访谈、询问、问卷、测定等方式直截获得的，时效性和相关性更好。二手数据（Secondary data）：利用文献，统计年报以及数据库等前人统计好的数据资料。优点是获取成本低，且现成可用。一般可以长时间保存，生成数据趋势图方便。一手数据提能够提供量身定制的...
a. It is always available for strategy-specific research questionsb. There are limited sources for secondary data making it easier to useC. It is less expensived. It is very systematicRationale: Secondary information has the advantage of usually being cheaper than primary data....
Classify the data in Q.1 above as primary or secondary data. View Solution Classify the data in above as primary or secondary data View Solution Exams IIT JEE NEET UP Board Bihar Board CBSE Free Textbook Solutions KC Sinha Solutions for Maths ...
Boeji, "Data Collection, Primary vs Secondary," Encyclopedia of Social Measurement, vol. 1, pp. 593- 599, 2005.Hox, J.J. & Boeije, H.R. 2005. Data collection: primary vs secondary. Encyclopaedia of social measurement, 1:593-599....