Transformer Reference
Each public transformer has a dedicated reference page with its signature, parameters, return value, notes, and an example.
absabs_valueanscombearccosarcsinarctanarctanhbfillboxcoxcategory_demeancategory_meancategory_rankcategory_zscoreconstantcosdate_age_constraintdeltademeandenoisediffewm_meanewm_stdewm_varffillfillnafillna_zerofisherfreemanidentityinv_log_sqrt_rankkellykelly_nonan_standardizekelly_rank_boxcoxkelly_rescaling_weightlagloglog1plog_ranklogrankmin_max_scalenegatenegonlynet_scalenon_nan_to_onenon_nan_to_zerononnansnormalizenotnannrankpct_changeposonlypowerrankrankpctrate_of_changeremove_repeatedreplace_infreplace_non_nanrolling_ew_stdrolling_ewmrolling_ewm_fwrolling_kurtrolling_maxrolling_meanrolling_medianrolling_minrolling_percentilerolling_rankrolling_skewrolling_stdrolling_sumrolling_varrolling_zscoresignsigned_log1psigned_powersinsqrttranslate_to_postrigtrimtrim_quantiletruncatewinsorizezscore