Package: cheapr 0.9.91
Nick Christofides
cheapr: Simple Functions to Save Time and Memory
Fast and memory-efficient (or 'cheap') tools to facilitate efficient programming, saving time and memory. It aims to provide 'cheaper' alternatives to common base R functions, as well as some additional functions.
Authors:
cheapr_0.9.91.tar.gz
cheapr_0.9.91.tar.gz(r-4.5-noble)cheapr_0.9.91.tar.gz(r-4.4-noble)
cheapr_0.9.91.tgz(r-4.4-emscripten)cheapr_0.9.91.tgz(r-4.3-emscripten)
cheapr.pdf |cheapr.html✨
cheapr/json (API)
NEWS
| # Install 'cheapr' in R: |
| install.packages('cheapr', repos = c('https://cran.r-universe.dev', 'https://cloud.r-project.org')) |
Bug tracker:https://github.com/nicchr/cheapr/issues
Last updated 17 days agofrom:6cb8b92270. Checks:OK: 2. Indexed: no.
| Target | Result | Date |
|---|---|---|
| Doc / Vignettes | OK | Nov 25 2024 |
| R-4.5-linux-x86_64 | OK | Nov 25 2024 |
Exports:%!in_%%in_%all_naany_naas_discreteas_factorbincasecheapr_if_elsecheapr_revcheapr_varcol_all_nacol_any_nacol_na_countscount_valcut_numericdeframe_enframe_factor_gcdgcd2get_breaksintersect_is_nalag_lag_sequencelag2_lead_sequencelengths_levels_addlevels_add_nalevels_countlevels_droplevels_drop_nalevels_factorlevels_lumplevels_renamelevels_reorderlevels_rmlevels_unusedlevels_usedna_countna_findna_insertna_replacena_rmnamed_listnew_dfnew_listnum_naoverviewrecyclerow_all_narow_any_narow_na_countssample_scmscm2seq_seq_idseq_sizesequence_set_absset_addset_ceilingset_change_signset_divideset_expset_floorset_logset_multiplyset_powset_roundset_sqrtset_subtractset_truncsetdiff_ssetunlisted_lengthunused_levelsused_levelsval_countval_findval_insertval_matchval_replaceval_rmvector_lengthwhich_which_nawhich_not_nawhich_valwindow_sequencewith_local_seed
Readme and manuals
Help Manual
| Help page | Topics |
|---|---|
| cheapr: Simple Functions to Save Time and Memory | cheapr-package cheapr |
| Turn continuous data into discrete bins | as_discrete as_discrete.integer64 as_discrete.numeric |
| A sometimes cheaper but argument richer alternative to '.bincode()' | bin |
| A cheapr case-when and switch | case val_match |
| Cheaper version of 'ifelse()' | cheapr_if_else |
| A cheaper version of 'factor()' along with cheaper utilities | as_factor factor_ levels_add levels_add_na levels_count levels_drop levels_drop_na levels_factor levels_lump levels_rename levels_reorder levels_rm levels_unused levels_used unused_levels used_levels |
| Greatest common divisor and smallest common multiple | gcd gcd2 scm scm2 |
| Pretty break-points for continuous (numeric) data | get_breaks get_breaks.integer64 get_breaks.numeric |
| Efficient functions for dealing with missing values. | all_na any_na col_all_na col_any_na col_na_counts is_na is_na.data.frame is_na.default is_na.POSIXlt is_na.vctrs_rcrd num_na row_all_na row_any_na row_na_counts which_na which_not_na |
| Lagged operations. | lag2_ lag_ |
| List utilities | lengths_ new_list unlisted_length |
| Turn dot-dot-dot ('...') into a named list | named_list |
| Fast data frame constructor | new_df |
| An alternative to 'summary()' inspired by the skimr package | overview overview.character overview.data.frame overview.Date overview.default overview.factor overview.integer overview.integer64 overview.logical overview.numeric overview.POSIXt overview.ts overview.zoo |
| Recycle objects to a common size | recycle |
| Utilities for creating many sequences | lag_sequence lead_sequence sequence_ seq_ seq_id seq_size window_sequence |
| Math operations by reference - *Experimental* | set_abs set_add set_ceiling set_change_sign set_divide set_exp set_floor set_log set_multiply set_pow set_round set_sqrt set_subtract set_trunc |
| Extra utilities | %!in_% %in_% cheapr_rev cheapr_var cut_numeric deframe_ enframe_ intersect_ na_insert sample_ setdiff_ val_insert vector_length with_local_seed |
| Cheaper subset | sset sset.data.frame sset.data.table sset.Date sset.factor sset.POSIXct sset.POSIXlt sset.sf sset.tbl_df |
| Efficient functions for counting, finding, replacing and removing scalars | count_val na_count na_find na_replace na_rm val_count val_find val_replace val_rm which_val |
| Memory-efficient alternative to 'which()' | which_ |