Data Engineering

For this discussion, you are to describe two studies where inferential statistics were used. For the first study, use the study from the Unit 2 Discussion(see attached). For the second study, you are to locate a peer-reviewed journal article related to the topic of the first study. Be sure the second study is also quantitative …

For this discussion, you are to describe two studies where inferential statistic Read More »

The course is regression analysis, and we use R as programming languages. Please follow the following PDF to write a dataset project introduction report. The link for the dataset is: https://www.kaggle.com/datasets/mirichoi0218/insur…

FYI, your job is to do the following: (1) Revise “plot_points()” so that it can display three classes (i.e, the three iris types) with different colors and shapes. (2) Call “plot_mode()” with two features (out of the four features). As you are going to have six pairs of two features, you will generate six plots. …

FYI, your job is to do the following:
(1) Revise “plot_points()” so that it can Read More »

Question 1) An article in Communications of the ACM [(1987, Vol. 30(5), pp. 53–76] reported on a study of different algorithms for estimating software development costs. Six algorithms were applied to eight software development projects and the percent error in estimating the development cost was observed. The data are in Table. Also, a csv file …

Question 1) An article in Communications of the ACM [(1987, Vol. 30(5), pp. 53–7 Read More »

I have a data set of sales for a period of one year. I need someone to perform a double exponential smoothing on these annual sales. Pease note that: Alpha = 0.5, Beta = 0.3, and m = 1. Period Quarter Sales 1 1 10 2 2 30 3 3 50 4 4 10 5 …

I have a data set of sales for a period of one year. I need someone to perform a Read More »