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Secondary da...
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...
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 ...
There are many differences between primary and secondary data, which are discussed in this article. But the most important difference is that primary data is factual and original whereas secondary data is just the analysis and interpretation of the primary data. While primary data is collected with...
Today’scoursestructures:Firstclass:taughtcourseDatasources:1.Secondarydata2.PrimarydataSecondclass:discussingwithyouaboutyourresearchtopicandresearchproblems(questions)2 Lecture5Datasources Purposeofthischapter:a.Thedefinitionofsecondaryandprimary datab.Whatwemeanbydatacollectionc.Whatthesourcesofdatacollectiond...
Secondary dataare data which have already been collected elsewhere, for some other purpose, but which can be used or adapted for the survey being conducted. 每一次跌倒都是为了华丽的站起来。以上就是为大家整理的MA科目考试知识点了,2024年3月acca考试报名已经开始,请同学们抓紧时间报名。
[translate] aample 正在翻译,请等待... [translate] aHello this is: 你好这是: [translate] asomething to eat 某事吃 [translate] abe late for school 为学校是晚 [translate] aInspection Equipment Rules 检查设备规则 [translate] aprimary data and secondary data 主要数据和二次数据 [translate] ...
In the world of data storage, storage devices are divided into one of two categories based on how frequently an organization needs to access that data: primary storage and secondary storage. In this article, we’ll take a closer look at these two categories as well as clear up some ...
Secondary data storage, on the other hand, offers long-term storage, like a person’s long-term memory. Secondary storage tends to operate with less frequency and can require more computer processing power to retrieve long-stored data. In this way, it mirrors the same retention and processing...
(2005). Data collection, primary vs secondary. Encyclopedia of Social Measurement 1:593.Hox, J. J., & Boeije, H. R. (2005). Data Collection, Primary vs Secondary. In Encyclopedia of Social Measurement. San Diego, CA: Academic Press....