Exploratory Data Analysis Part 3


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Exploratory Data Analysis Part 3

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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!!!


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