0.8.4 (2024-01-11) ================ * very minor fixes 0.8.3 (2022-04-02) ================ * now 'rows' respects 'etable' class 0.8.2 (2021-05-25) ================ * fix serious bug with '%to%' in the multiassignment expression in the 'let' 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 0.7.4 (2020-07-29) ================ * fix tests for R before 4.0 * convert documentation to markdown 0.7.3 (2020-07-22) ================ * fixes for data.table 1.13 * add new functions: vlookup and xlookup 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 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 0.6.2 (2019-06-09) ================ * add 'sort_by' * minor bugfixes 0.6.1 (2019-01-03) ================ * fix tests * add 'coalesce' function * add 'data.frame' method for 'rollup', 'cube' and 'groupingsets' * minor fixes 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' 0.5.2 (2018-07-18) ================ * add 'dcast' and 'melt' methods for data.frame * add ':=' operator for 'take'/'take_if'/'summarize' for parametric evaluation 0.5.1 (2018-05-09) ================ * fix stupid bug with incorrect minimal version of data.table in DESCRIPTION * add 'dplyr'-like interface. 0.5.0 (2018-05-05) ================ * initial release