NEWS

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maditr 0.8.4 (2024-01-11)

• very minor fixes

maditr 0.8.3 (2022-04-02)

• now 'rows' respects 'etable' class

maditr 0.8.2 (2021-05-24)

• fix serious bug with '%to%' in the multiassignment expression in the 'let'

maditr 0.8.1 (2021-05-18)

• new function 'rows' for selecting rows/filtering dataset
• new function 'columns' for selecting columns
• 'columns' can be used inside expressions to select range of variables
• new functions 'to_long' and 'to_wide' for converting dataset to long form and vice versa
• remove ‘.res' variable from progress bar indicator in ’to_list'
• bugfixes

maditr 0.7.4 (2020-07-29)

• fix tests for R before 4.0
• convert documentation to markdown

maditr 0.7.3 (2020-07-22)

• fixes for data.table 1.13
• add new functions: vlookup and xlookup

maditr 0.7.1 (2020-04-27)

• 'dt_select' now can match variables by Perl-style regular expression, e. g. '^Petal' returns all variables which start with 'Petal'.
• new functions 'to_list', 'to_vec', 'to_df', 'to_dfc' for convenient lists processing. They have a little pythonic style interface: 'to_list(1:10, if(.x %% 2 == 0) .x)' will return only even numbers. For details see '?to_list'.
• new functions 'take_all' and 'let_all' for summarizing and aggregating multiple variables.
• bugfixes

maditr 0.6.3 (2019-12-03)

• 'let' and 'take' now generics (issue #8)
• add functions 'dt_count', 'dt_add_count', 'dt_top_n' (issue #5)
• bumped requried data.table version
• move tests from testthat to tinytest
• bugfixes

maditr 0.6.2 (2019-06-09)

• add 'sort_by'
• minor bugfixes

maditr 0.6.1 (2019-01-03)

• fix tests
• add 'coalesce' function
• add 'data.frame' method for 'rollup', 'cube' and 'groupingsets'
• minor fixes

maditr 0.6.0 (2018-08-12)

• add joins: 'dt_left_join', 'dt_right_join', 'dt_inner_join', 'dt_full_join', 'dt_anti_join', 'dt_semi_join'

maditr 0.5.2 (2018-07-18)

• add 'dcast' and 'melt' methods for data.frame
• add ':=' operator for 'take'/'take_if'/'summarize' for parametric evaluation

maditr 0.5.1 (2018-05-10)

• fix stupid bug with incorrect minimal version of data.table in DESCRIPTION
• add 'dplyr'-like interface.

maditr 0.5.0 (2018-05-05)

• initial release