Basic data analysis

1. Basic data analysis

2. The basic analysis of SPSS that will be introduced in this class • Frequencies • This analysis produces frequency tables showing frequency counts and percentages of the values of individual variables. • Descriptives • This analysis shows the maximum, minimum, mean, and standard deviation of the variables • Linear regression analysis • Linear Regression estimates the coefficients of the linear equation

3. Frequencies • Click ‘Analyze,’ ‘Descriptive statistics,’ then click ‘Frequencies’. The sample file employee.sav is used in this demonstration

4. Click Click Frequencies • Click gender and put it into the variable box. • Click ‘Charts.’ • Then click ‘Bar charts’ and click ‘Continue.’

5. Click Frequencies • Finally Click OK in the Frequencies box.

6. Output view

7. Click Descriptives • Click ‘Analyze,’ ‘Descriptive statistics,’ then click ‘Descriptives…’ • Click ‘Educational level’ and ‘Beginning Salary,’ and put it into the variable box. • Click Options

8. Click Click Descriptives • The options allows you to analyze other descriptive statistics besides the mean and Std.dev • Click ‘variance’ and ‘kurtosis’ • Finally click ‘Continue’

9. Descriptives • Finally Click OK in the Descriptives box. You will be able to see the result of the analysis.

10. Practice 4 Do a frequency analysis on the variable “minority” Create pie charts for it

11. Click Descriptives • Click ‘Analyze,’ ‘Descriptive statistics,’ then click ‘frequencies…’ • Click ‘minority’ and put it into the variable box. • Select pie chart under chart type. • Select frequencies and continue.

13. Click Answer

14. Creating charts from menu Use demo.sav file (sample folder) Click on graph menu Choose chart builder Click gallery tab click on bar Drag the stacked bar icon onto the canvas Select – employment category on Y-axis gender on X axis

16. Creating charts from menu Use demo.sav file (from sample folder) Click on graph menu Choose chart builder Click gallery tab click on bar Drag the stacked bar icon onto the canvas Select variables– employment category Y- gender X axis

17. Creating charts from menu Use demo.sav file (from sample folder) Click on graph menu Choose chart builder Click gallery tab click on bar and Drag the simple bar icon onto the canvas Select – variable job satisfaction and right click on it to change measure to ordinal. Then drag onto X axis Select – variable household income and drag onto y axis See statistic change to mean from count.

18. Creating charts

19. Creating charts from menu Use employee data.sav file (from sample folder) Click on graph menu Choose chart builder In choose from list select scatter/dot Drag the simplest scatter plot diagram onto the canvas Select – variable Beginning salary then drag onto X axis Select – variable Current salary and drag onto y axis Click on OK button Here you have a simple scatter plot showing the effect of starting salary on current salary.