Changelog

Important

Any bug/typos reports/fixes are appreciated.

Below is the list of the most noteworthy changes.

  • 2022-XX-XX (vX.X.X):

    • Preface complete.

    • (ONGOING….) Final proof-reading.

    • (ONGOING….) Minor extensions and material reordering: aggregation functions, ….

    • Handling tied observations.

  • 2022-06-13 (v0.5.1):

    • The Kolmogorov–Smirnov Test (one and two sample).

    • The Pearson Chi-Squared Test (one and two sample and for independence).

    • Dealing with round-off and measurement errors.

    • Adding white noise (jitter).

    • Lambda expressions.

    • Matrices are iterable.

  • 2022-05-31 (v0.4.1):

    • The Rules.

    • Matrix multiplication, dot products.

    • Euclidean distance, few-nearest-neighbour and fixed-radius search.

    • Aggregation of multidimensional data.

    • Regression with k-nearest neighbours.

    • Least squares fitting of linear regression models.

    • Geometric transforms; orthonormal matrices.

    • SVD and dimensionality reduction/PCA.

    • Classification with k-nearest neighbours.

    • Clustering with k-means.

    • Text Processing and Regular Expression chapters were merged.

    • Unidimensional Data Aggregation and Transformation chapters were merged.

    • pandas.GroupBy objects are iterable.

    • Semitransparent histograms.

    • Contour plots.

    • Argument unpacking and variadic arguments (*args, **kwargs).

  • 2022-05-23 (v0.3.1):

    • More lightweight mathematical notation.

    • Some equalities related to the mathematical functions we rely on (the natural logarithm, cosine, etc.).

    • A way to compute the most correlated pair of variables.

    • A note on modifying elements in an array and on adding new rows and columns.

    • An example seasonal plot in the time series chapter.

    • Solutions to the SQL exercises added; using pandas.testing.assert_frame_equal instead of pandas.DataFrame.equals to ignore small round-off errors.

    • More details on file paths.

  • 2022-04-12 (v0.2.1):

    • Many chapters merged or relocated.

    • Added captions to all figures.

    • Improved formatting of elements (information boxes such as note, important, exercise, example).

  • 2022-03-27 (v0.1.1):

    • First public release – most chapters are drafted, more or less.

    • Using Sphinx for building.

  • 2022-01-05 (v0.0.0):

    • Project started (lecture notes for my students at Deakin).