最常用的三种核算学方法是：线性回归、logistic回归和cox比例危险回归。学者们可以根据自己的要求和最终目标类型选择相应的核算学方法。
logistic回归分析是概率性的非线性回归分析，首要研讨查询的效果和或许的影响要素之间联络的一种多变量分析方法。判别研讨问题是否可以选用多元线性回归核算方法首要根据：
查询的效果和或许的影响要素之间的联络是否是线性的；
查询的效果不能答复是否发生。
查询效果的取值是否是计量的连续性变量，且是随机变量；
危险要素分析的核算学方法
危险要素分析的核算学方法与效应估计的方法类似，可是也有不同之处。危险要素分析的核算学方法与效应估计的方法起点不一样：危险要素分析的核算学方法首要是在许多危险要素中找到对某疾病或损害有影响的要素，然后完结有用的干与和防范。效应估计的方法首要是要点注重某些特定的要素及其带来的影响，需要对其他的要素进行有用排除和控制，然后得到精确的估计核算。
线性回归，是通过数学联络进行回归分析，然后招认不同的变量之间互相相关的联络的核算学方法。分析首要是按照自变量和因变量之间的联络来承认为线性或非线性回归分析。
logistic回归分析首要通过sas中的proclogisitic的plots制作危险要素的森林图，基本思路为：先根据模型拟合出效应值及百分之九十五的CI，然后根据得到的数据制作森林图。
关于cox比例危险回归核算学来说，最基本的两个前提假设为：
各个危险要素的效果不会根据时间的改动而发生改动；
查询的效果和或许的影响要素之间的联络是否是线性的。
Quality levels
In order to ensure good quality levels within the research, findings will be correlated to other related research with an aim of establishing the relationship between them. This research will also take into account aspects of personal judgment (Strange 5). In addition, triangulation method will be used to ensure high quality levels within the research. This will where a series of methods will be used so as minimize bias related with the use of a single method. Three main methods will be used, these include; indepth interviews, desk research, and well-structured online questionnaires. The deficiencies of using one method will be minimized by the strength in another method(Patton 146).
Conclusion
This is where the research will be combined, both qualitative and quantitative, so as to gain an insightful analysis of the relevant facts and figures in explaining market trends.
Findings will be summarized and conclusions drawn in accordance with the research questions.
The research question
A research question is critical in determining the type of information to be explored in the research. The development of the research question will be significantly guided by competition within the online research industry (Dillon 143). As noted, there are a myriad of companies offering online research products and services. Consequently, the nature of marketing online has changed significantly (Greene 27). Companies are now able to offer different products and services including
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