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Total overview - MMSR (MAN-MMA032A): summary of key take-aways, steps, rules, and important figures $6.28
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Total overview - MMSR (MAN-MMA032A): summary of key take-aways, steps, rules, and important figures

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- Author scored a 10 on the exam - A total overview of all obligatory topics for MMSR; based on the key glossary terms of the chapters from Hair and the video clips, I have made an overview per topic. Every topic has some theoretical background listed, whereafter the analysis process is depicted. F...

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  • December 29, 2020
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5  reviews

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By: sophieclaesen1803 • 11 months ago

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By: anouk108335 • 3 year ago

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By: vaymelis • 3 year ago

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Hi Anouk, May I ask what the reason behind your review is? Greetings!

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By: hoferpedro • 4 year ago

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By: polobarcelo • 4 year ago

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By: xaranikolaou • 4 year ago

Very useful as a revision guide. Includes all important information from the MMSM class.

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MMSR
Inhoud
Overview of multivariate methods.........................................................................................................2
Examining your data...............................................................................................................................3
Rules...................................................................................................................................................3
Figures................................................................................................................................................4
Exploratory and confirmatory factor analysis.........................................................................................6
Rules...................................................................................................................................................7
Figures................................................................................................................................................8
(M)AN(C)OVA.......................................................................................................................................11
Rules.................................................................................................................................................12
Figures..............................................................................................................................................13
Multiple and logistic regression analysis..............................................................................................17
Rules.................................................................................................................................................18
Figures..............................................................................................................................................19
Partial Least Squares Structural Equation Modeling (PLS-SEM)............................................................23
Rules.................................................................................................................................................24
Figures..............................................................................................................................................24

,Overview of multivariate methods
Multivariate analysis = any simultaneous analysis of more than two variables.

,Examining your data
Imputation method = process of estimating the missing data of an observation based on valid values
of the other variables. Possibilities:
 Cold-deck imputation: from data outside your database
 EM: maximum likelihood (MAR)
 Hot deck imputation: from existing observation deemed similar
 Mean substitution: substituting by means
 Multiple imputation: MAR
 Regression imputation: calculating it based on regression models

In case you are not going to replace the data with values, two options are possible:
 Complete case approach: handling missing data based on complete cases, cases with no
missing data. Also known as the listwise deletion approach.
 All-available approach: handling missing data based on all available data, also known as
pairwise approach.

Positive kurtosis means a steep line, negatively kurtosis is a flatter line. Positively skewed is many
observations on the left, negatively skewed is many observations on the right. The threshold values
for kurtosis and skewness are -3 to 3 (without dividing it by the standard error!).

Always consider both the practical and substantive impact of your missing data.

Rules
 How much missing data is too much?
o Over 10%
o Under 10% is acceptable, but assess the MAR/MCAR
 When is a value an outlier?
o For small samples a standard score of 2.5
o For large samples a standard score of 4
o If standard scores are not given, use the threshold values with standard deviations
 Normality
o Above 200 sample size, normality is often okay
o Skewness and kurtosis values between -3 and 3.

, Figures

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