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pandas-profiling generates profile reports from a pandas DataFrame. The pandas df.describe() function is handy yet a little basic for exploratory data analysis. pandas-profiling extends pandas DataFrame with df.profile_report(), which automatically generates a standardized univariate and multivariate report for data understanding.

For each column, the following information (whenever relevant for the column type) is presented in an interactive HTML report:

  • Type inference: detect the types of columns in a DataFrame

  • Essentials: type, unique values, indication of missing values

  • Quantile statistics: minimum value, Q1, median, Q3, maximum, range, interquartile range

  • Descriptive statistics: mean, mode, standard deviation, sum, median absolute deviation, coefficient of variation, kurtosis, skewness

  • Most frequent and extreme values

  • Histograms: categorical and numerical

  • Correlations: high correlation warnings, based on different correlation metrics (Spearman, Pearson, Kendall, Cramér’s V, Phik, Auto)

  • Missing values: through counts, matrix and heatmap

  • Duplicate rows: list of the most common duplicated rows

  • Text analysis: most common categories (uppercase, lowercase, separator), scripts (Latin, Cyrillic) and blocks (ASCII, Cyrilic)

  • File and Image analysis: file sizes, creation dates, dimensions, indication of truncated images and existence of EXIF metadata

The report contains three additional sections:

  • Overview: mostly global details about the dataset (number of records, number of variables, overall missigness and duplicates, memory footprint)

  • Alerts: a comprehensive and automatic list of potential data quality issues (high correlation, skewness, uniformity, zeros, missing values, constant values, between others)

  • Reproduction: technical details about the analysis (time, version and configuration)

The package can be used via code but also directly as a CLI utility. The generated interactive report can be consumed and shared as regular HTML or embedded in an interactive way inside Jupyter Notebooks.


⚡ Looking for a Spark backend to profile large datasets?

While not yet finished, a Spark backend is in development. Progress can be tracked here. Testing and contributions are welcome!