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# Exploratory Data Analysis Part 3

# Univariate Analysis:

Analyzing and visualizing single variable. It helps to analyze anomalies too. It is divided into Ordered,Unordered and Statistical category.

## Categorical Unordered(Nominal) Univariate Analysis:

Plot bar graphs, histograms to understand frequencies.

## Categorical Ordered Univariate Analysis:

Plot bar/pie graphs to understand about the data.

## Statistical/Numeric Data:

Analyze mean/median/mode/variance/Standard deviation/ First and Third quantile.

# Bivariate and Multivariate Analysis:

Correlation does not imply causation. There may be spurious correlations.

## Numeric -Numric data:

Plot types:

- Correlation matrix
- Scatter plot
- Pair plot
- Heatmap

## Numeric -Categorical data:

Use groupby and plot heatmap, Draw boxplots.

## Categorical-Categorical data:

Heatmaps would give better results.

Thank you for reading!!!

AI/ML

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