Assignment 4_DMV: Creating Graphs For Your Data

The final week assignment is about providing a visual representation of my data and findings using univariate and bivariate graphs.Using different kinds of data visualization, I will attempt to answer some of the research questions below:Is crater diameter associated with crater depth?Do craters occur most often near the equator, the southern or northern hemisphere?Does crater […]

Assignment 3_DMV: Making Data Management Decisions

Week 3 assignment involves making data management decisions for the variables chosen to answer my research questions. These data management decisions include removing invalid data, selecting subset working dataset or representative sample, creating secondary variables and binning or grouping continuous variables.There are 384,343 craters in the original Mars database. On inspection, I discovered that 10 […]

Assignment 2_DMV: Running Your First Program

In this second week assignment, I will be writing a program to run frequency distributions for 3 selected variables related to my research questions.Most of the Mars crater variables are continuous and would require a group frequency distribution. These continuous variables will be treated in Week 3 assignment.Therefore, I have chosen 3 discrete crater variables […]

Assignment 1_DMV: Getting Your Research Project Started

This blog covers the Data Management and Visualization course taught by Wesleyan University via Coursera online learning platform.The first assignment is about developing a research question. Five codebooks and data sets were provided on different subject areas.The instruction is to choose one data set, select main topic of interest, prepare a codebook with variables that […]