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Univariate (One variable) Multivariate (> 2 variables ...

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Overview. 2. Univariate. (One variable). Continuous. Variable. Categorical. Variable. Central. Tendancy. Variation. Distribution. Plots. Frequencies. Plots. Mean.
Overview

Analysis Strategy

Univariate (One variable)

Bivariate (Two variables)

Multivariate (> 2 variables)

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Overview

Univariate (One variable) Continuous Variable

Central Tendancy

Variation

Mean

Variance

Median

Standard Deviation

Mode Range t-test (sign rank test)

Categorical Variable

Distribution

Plots

Frequencies

Plots

Normal (Normality test) Uniform

Histogram

Counts

Bar Graph

Box Plot

Frequencies

Pie Graph

Exponential

Stem Plot

Percentages



Pareto Graph

Dot Plot

Odds

Line Chart

z-test for proportion (Binomial test)

Percentiles Interquartile Range

Time Series Plot

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Overview

Bivariate (Two variables X & Y) Categorical Y Categorical X

Y-2 Categories X-2 Categories

Y or X are > 2 categories

Pearson’s Chi-square

Pearson’s Chi-square

Fisher’s Exact

MantelHaenszel

McNemar's Test

Continuous Y Categorical X

Y-Normal X-2 Categories

Continuous Y Continuous X

Y-Normal X>2 Categories

Y-Non-normal X-2 Categories 2-Sample t-test

Wilcoxon Rank-sum

PairedSample test (related samples)

Wilcoxon Signed-rank (related samples)

Y = Dependent, Outcome, or Response Variable;

Y and X Normal

Y-Non-normal X>2 Categories One-way ANOVA

KruskalWallis Test

Scatter plot Simple Linear Regression

Y or X Non-normal Spearman’s Correlation

Pearson’s Correlation

X = Independent variable, Explanatory variable

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Overview

Multivariate (More than two variables) Dichotomous Y

Nominal Y > 2 Categories

Ordinal Y

Multiple Regression

Logistic Regression

Multinomial Logistic

Ordinal Logistic

Analysis of Variance

Discriminant Analysis

Continuous Y

Y is “Time” Survival Analysis

Multivariate Y

Life Table Cox Proportional Hazards Model

MANOVA Factor Analysis

Analysis of Covariance

Y = Dependent, Outcome, or Response Variable;

Repeated Measures

X = Independent variable, Explanatory variable

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