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The average highway fuel consumption of an automobile is nearly 7.5 liters per 100 kilometers if it has a 4-cylinder engine, but that value increases to more than 11 liters per 100 kilometers on average for automobiles that have an 8-cylinder engine. I am trying to conduct multivariate analyses but when I go to the general linear model all it shows is univariate analysis. Of those, we see that 489 have 4 cylinders, 384 have 6 cylinders, and just 209 have 8 cylinders. This table reports a total sample size of 1082. Question 1: Consider the data for a three-group, three-dependent-variable problem. It shows descriptive statistics for CO2emissions and fuelusehwy overall and separated by categories of cylinders468. We only consider those most relevant to this example. The SPSS procedure for conducting the one-way MANOVA outlined above produces eight separate tables. Researchers may want to explore whether cases with these extreme values have undue influence on the regression.
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There are a few extreme values, with the largest being 20.6 liters per 100 km. Whether an automobile has 4, 6, or 8 cylinders is measured as a categorical variable, with 489 (45.19%) of the automobiles having 4 cylinders, 384 (35.49%) of the automobiles having 6 cylinders, and 209 (19.32%) of the automobiles having 8 cylinders.įigure 5: Histogram showing the distribution of highway fuel consumption measured in l/100km, 2015 Fuel Consumption Ratings from Natural Resources Canada.įigure 5 shows that the majority of values for highway fuel consumption fall below 10 liters per hundred kilometers, with the bulk of the observations clustered around the mean of about 8.88 liters per 100 kilometers. The CO 2 emissions of the automobile, measured in grams per kilometer, has a mean of approximately 244 with a standard deviation of about 55.7. In this dataset, it has a mean of approximately 8.88 with a standard deviation of about 2.23. The highway fuel consumption is measured in liters per 100 kilometers. The number of cylinders in the automobile engine ( cylinders468), either 4, 6, or 8.The CO 2 emissions of an automobile ( CO2emissions), measured in grams per kilometer.The highway fuel consumption of an automobile ( fuelusehwy), measured in liters per 100 kilometers.This example uses three variables from the 2015 Fuel Consumption Report from Natural Resources Canada: This example explores whether the CO 2 emissions and highway fuel consumption of an automobile both differ based on the number of engine cylinders in that automobile. Three-Way Analyses of Variance Containing One or More Repeated Factorsĭoubly Multivariate Analysis of Repeated Measures Designs: Multiple Dependent VariablesĬonvert Data from Univariate Setup to Multivariate Setup or Vice Versaĭiscriminant Function Analysis With Three or More Groupsĭiscriminant Analysis of Factor Scores - uses factor scores created by SAS and deposited in a plain text file.2 An Example Using SPSS: Highway Fuel Consumption, CO 2 Emissions, and Automobile Engine Cylinders The A X (B X S) ANOVA: A Multivariate Approach The Multivariate Approach to the One-Way Repeated Measures ANOVA Multiple Regression - also includes use of the text data import wizardĬomparing Regression Lines From Independent Samples.Ive done mixed ANOVA in SPSS, in which you can add the time point DVs into a.
#Manova spss how to#
To determine whether the one-way MANOVA was statistically significant you need to look at the 'Sig.' column. I work through a MANOVA example to show you how to analyze the data and. You need to look at the second Effect, labelled 'School', and the Wilks' Lambda row (highlighted in red). If it is simple, univariate analysis you wish to do, check out my page SPSS Lessons: Univariate Analysis.Īgglomerative clustering of cases or variables The Multivariate Tests table is where we find the actual result of the one-way MANOVA. I grant permission to all to employ these lessons for noncommercial, educational purposes, as long as the documents are reproduced only in their entirety and include my copyright notice. The documents include the data, or links to the data, for the analyses used as examples.
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Linked here are Word documents containing lessons designed to teach the intermediate level student how to use SPSS for multivariate statistical analysis.