Package: cheapr 1.5.1.9000
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_1.5.1.9000.tar.gz
cheapr_1.5.1.9000.zip(r-4.7)cheapr_1.5.1.9000.zip(r-4.6)cheapr_1.5.1.9000.zip(r-4.5)
cheapr_1.5.1.9000.tgz(r-4.6-x86_64)cheapr_1.5.1.9000.tgz(r-4.6-arm64)cheapr_1.5.1.9000.tgz(r-4.5-x86_64)cheapr_1.5.1.9000.tgz(r-4.5-arm64)
cheapr_1.5.1.9000.tar.gz(r-4.7-arm64)cheapr_1.5.1.9000.tar.gz(r-4.7-x86_64)cheapr_1.5.1.9000.tar.gz(r-4.6-arm64)cheapr_1.5.1.9000.tar.gz(r-4.6-x86_64)
cheapr_1.5.1.9000.tgz(r-4.6-emscripten)
manual.pdf |manual.html✨
card.svg |card.png
cheapr/json (API)
NEWS
| # Install 'cheapr' in R: |
| install.packages('cheapr', repos = c('https://nicchr.r-universe.dev', 'https://cloud.r-project.org')) |
Bug tracker:https://github.com/nicchr/cheapr/issues
Last updated from:6ba6e6c8a3. Checks:13 OK. Indexed: yes.
| Target | Result | Time | Files | Syslog |
|---|---|---|---|---|
| linux-devel-arm64 | OK | 154 | ||
| linux-devel-x86_64 | OK | 153 | ||
| source / vignettes | OK | 166 | ||
| linux-release-arm64 | OK | 153 | ||
| linux-release-x86_64 | OK | 157 | ||
| macos-release-arm64 | OK | 127 | ||
| macos-release-x86_64 | OK | 205 | ||
| macos-oldrel-arm64 | OK | 115 | ||
| macos-oldrel-x86_64 | OK | 221 | ||
| windows-devel | OK | 262 | ||
| windows-release | OK | 163 | ||
| windows-oldrel | OK | 173 | ||
| wasm-release | OK | 122 |
Exports:%!in_%%in_%abs_add_addressall_naany_naarchetypearchetype_commonas_dfas_discreteas_factorattrs_addattrs_clearattrs_modifyattrs_rmbinc_casecastcast_commonceiling_cheapr_ccheapr_if_elsecheapr_repcheapr_rep_eachcheapr_rep_lencheapr_revcheapr_sdcheapr_tablecheapr_varcol_all_nacol_any_nacol_ccol_na_countscountscpp_rebuilddeep_copydf_modifydivide_exp_factor_fast_dffloor_gcdgcd2get_breaksget_max_threadsget_threadsif_else_int_signintersect_is_nais_whole_numberlag_lag_sequencelag2_lead_sequencelengths_levels_addlevels_add_nalevels_countlevels_droplevels_drop_nalevels_factorlevels_lumplevels_renamelevels_reorderlevels_rmlevels_unusedlevels_usedlist_as_dflist_assignlist_combinelist_drop_nulllist_lengthslist_modifylog_log10_multiply_na_countna_findna_initna_insertna_replacena_rmname_repairnamed_listnegate_new_characternew_complexnew_dfnew_doublenew_integernew_listnew_logicalnew_rawnum_naoverviewpaste_pow_r_typer_type_commonrebuildrecyclerep_rep_each_rep_len_replace_rev_round_row_all_narow_any_narow_crow_na_countssample_scmscm2sd_semi_copyseq_seq_endseq_idseq_incrementseq_sizeseq_startsequence_set_absset_addset_ceilingset_change_signset_divideset_expset_floorset_logset_multiplyset_powset_roundset_sqrtset_subtractset_threadsset_truncsetdiff_shallow_copysign_signif_sqrt_ssetsset_colsset_dfsset_rowstr_coalescesubtract_switch_argstable_trunc_unique_unique_name_repairunlisted_lengthval_countval_findval_insertval_matchval_replaceval_rmvar_vector_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 |
| Memory address of R object | address |
| Turn continuous data into discrete bins | as_discrete as_discrete.integer64 as_discrete.numeric |
| Add and remove attributes | attrs attrs_add attrs_clear attrs_modify attrs_rm |
| A sometimes cheaper but argument richer alternative to '.bincode()' | bin |
| A cheapr version of 'c()' | cheapr_c c_ |
| A cheapr case-when and switch | case val_match |
| Fast casting/coercing of R objects | archetype archetype_common cast cast_common r_type r_type_common |
| Fast frequency tables - Still experimental | cheapr_table counts table_ |
| Copy R objects | copy deep_copy semi_copy shallow_copy |
| Low-level attribute re-constructor | cpp_rebuild |
| 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 |
| Greatest common divisor and smallest common multiple | gcd gcd2 scm scm2 |
| Pretty break-points for continuous (numeric) data | get_breaks get_breaks.default get_breaks.integer64 get_breaks.numeric |
| Get and set the number of OpenMP threads to be used in cheapr | get_max_threads get_threads set_threads |
| Cheaper version of 'ifelse()' | cheapr_if_else if_else if_else_ |
| A fast and integer-based 'sign()' | int_sign |
| 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 |
| Very fast check that numeric vector consists only of whole numbers | is_whole_number |
| Lagged operations. | lag2_ lag_ |
| List utilities | lengths_ list_assign list_combine list_drop_null list_lengths list_modify new_list unlisted_length |
| Parallelised math operations | abs_ add_ ceiling_ divide_ exp_ floor_ log10_ log_ math multiply_ negate_ pow_ round_ signif_ sign_ sqrt_ subtract_ trunc_ |
| Fast 'NA' initialisation | na_init |
| Turn dot-dot-dot ('...') into a named list | named_list |
| Cheap data frame utilities | as_df col_c df_modify fast_df list_as_df name_repair new_df row_c unique_name_repair |
| Fast multi-threaded vector initialisation | new_character new_complex new_double new_integer new_logical new_raw |
| 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 |
| Rebuild an object from a template | rebuild rebuild.data.frame rebuild.data.table rebuild.sf rebuild.tbl_df |
| Recycle objects to a common size | recycle |
| cheapr style repeat functions | cheapr_rep cheapr_rep_each cheapr_rep_len rep rep_ rep_each_ rep_len_ |
| Fast vector replacement, an alternative to [<- | replace replace_ |
| Utilities for creating many sequences | lag_sequence lead_sequence sequences sequence_ seq_ seq_end seq_id seq_increment seq_size seq_start 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_sd cheapr_var intersect_ na_insert rev_ sample_ sd_ setdiff_ val_insert var_ vector_length with_local_seed |
| Cheaper subset 'sset()' | sset |
| Fast functions for data frame subsetting | sset_col sset_df sset_row |
| Coalesce character vectors | str_coalesce |
| Fast string concatenation using C++ | paste_ strings |
| Switch between dot-dot-dot and a list of args | switch_args |
| An alternative 'unique' function | unique_ |
| Efficient functions for counting, finding, replacing and removing scalars | na_count na_find na_replace na_rm val_count val_find val_replace val_rm which_val |
| Memory-efficient alternative to 'which()' | which_ |