Tham khảo tài liệu 'exploratory data analysis_15', kỹ thuật - công nghệ, điện - điện tử phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Work This Example Yourself ENGINEERING STATISTICS HANDBOOK home TOOLS s AIDS ISEAKH BACK next 1. Exploratory Data Analysis . EDA Case Studies . Case Studies . Normal Random Numbers This Example Yourself View This page allows you to repeat the analysis outlined in the case study Dataplot description on the previous page using Dataplot . It is required that you Macro f for have already downloaded and installed Dataplot and configured your this Case browser. to run Dataplot. Output from each analysis step below will be Study displayed in one or more of the Dataplot windows. The four main windows are the Output window the Graphics window the Command History window and the data sheet window. Across the top of the main windows there are menus for executing Dataplot commands. Across the bottom is a command entry window where commands can be typed in. Data Analysis Steps Results and Conclusions Click on the links below to start Dataplot and run this case study yourself. Each step may use results from previous steps so please be patient. Wait until the software verifies that the current step is complete before clicking on the next step. The links in this column will connect you with more detailed information about each analysis step from the case study description. 1. Invoke Dataplot and read data. 1. Read in the data. 1. You have read 1 column of numbers into Dataplot variable Y. 2. 4-plot of the data. 1. 4-plot of Y. 1. Based on the 4-plot there are no shifts in location or scale and the data seem to follow a normal distribution. 3. Generate the individual plots. 1. Generate a run sequence plot. 1. The run sequence plot indicates that 2. Generate a lag plot. 3. Generate a histogram with an overlaid normal pdf. there are no shifts of location or scale. 2. The lag plot does not indicate any significant patterns which would show the data were not random . 3. The histogram indicates that a http div898 handbook eda .
