R: Проблема с использованием ifelse для запуска нескольких логических тестов между фреймами данных для создания нового столбца - PullRequest
0 голосов
/ 06 апреля 2019

Я пытаюсь использовать данные бейсбольной игры в ретроспективе, чтобы она называлась ловцом для любого заданного шага, извлеченного в эпоху pitfx.Я использовал ifelse для запуска серии тестов, чтобы найти начальный ловец.Код и ошибки приведены ниже - также я намерен после того, как заставить это работать, вместо того, чтобы печатать «нет», в случае неудачи, будет иметь подобные ifelse-тесты, вложенные в это, пока я не проработаю от HmBat1Pos до HmBat9Pos ... и т.д.

atbat$starting_catcher_retro = ifelse(((atbat$date = retro_games$Date)                                       
                         & (atbat$pitcher_name = retro_games$HmStPchNm) 
                         & (atbat$num = 1) 
                         & (atbat$inning_side = "top")
                         & (retro_games$HmBat1Pos = 2)), 
                         retro_games$HmBat1ID, "no")

ошибки

Error in `$<-.data.frame`(`*tmp*`, date, value = c(13963, 13964, 13968,  : 
  replacement has 26726 rows, data has 2146373

Затем я попытался извлечь часть кода, проверяющего дату, и все равно получил ошибки.Поэтому я запустил это вместо

atbat$starting_catcher_retro = ifelse(((atbat$num = 1) 
                                         & (atbat$inning_side = "top")
                                         &(retro_games$HmBat1Pos = 2)), 
                                         retro_games$HmBat1ID, "no")

и получил эти другие ошибки

Error in (atbat$num = 1) & (atbat$inning_side = "top") : 
  operations are possible only for numeric, logical or complex types

ответ на комментарии

это был код, который я добавил, и ошибкавернул

> merged_df <- merge(atbat, retro_games,
+                    by.x = c("date", "pitcher_name"),
+                    by.y = c("Date", "HmStPchNm"), all.x = FALSE)
> 
> merged_df$starting_catcher_retro = with(merged_df, 
+                                         ifelse((num == 1) 
+                                                & (inning_side == "top")
+                                                & (HmBat3Pos == 2), 
+                                                HmBat3ID, "no"))
> 
> atbat$starting_catcher_retro <- merged_df$starting_catcher_retro[match(merged_df$unique_id, atbat$unique_id)]
Error in `$<-.data.frame`(`*tmp*`, starting_catcher_retro, value = c("no",  : 
  replacement has 566448 rows, data has 2146373

Я также попытался применить другой подход к описанному выше, основанный на идее, которая была у меня в голове - ниже приведен этот код и возвращены ошибки, где все выглядит так, как будто оно должно работать, но тамдаже новый столбец не создан

atbat$starting_catcher_retro = ifelse(((retro_games$Date %in% atbat$date) 
                                       & (retro_games$HmStPchNm %in% atbat$pitcher_name) 
                                       & (atbat$inning_side == "top")
                                       & (retro_games$HmBat1Pos == 2)), 
                                      retro_games$HmBat1ID, 
                                      ifelse(((retro_games$Date %in% atbat$date) 
                                              & (retro_games$HmStPchNm %in% atbat$pitcher_name) 
                                              & (atbat$inning_side == "top")
                                              & (retro_games$HmBat2Pos == 2)), 
                                             retro_games$HmBat2ID, 
                                             ifelse(((retro_games$Date %in% atbat$date) 
                                                     & (retro_games$HmStPchNm %in% atbat$pitcher_name) 
                                                     & (atbat$inning_side == "top")
                                                     & (retro_games$HmBat3Pos == 2)), 
                                                    retro_games$HmBat3ID, 
                                                    ifelse(((retro_games$Date %in% atbat$date) 
                                                            & (retro_games$HmStPchNm %in% atbat$pitcher_name) 
                                                            & (atbat$inning_side == "top")
                                                            & (retro_games$HmBat4Pos == 2)), 
                                                           retro_games$HmBat4ID, 
                                                           ifelse(((retro_games$Date %in% atbat$date) 
                                                                   & (retro_games$HmStPchNm %in% atbat$pitcher_name) 
                                                                   & (atbat$inning_side == "top")
                                                                   & (retro_games$HmBat5Pos == 2)), 
                                                                  retro_games$HmBat5ID, 
                                                                  ifelse(((retro_games$Date %in% atbat$date) 
                                                                          & (retro_games$HmStPchNm %in% atbat$pitcher_name) 
                                                                          & (atbat$inning_side == "top")
                                                                          & (retro_games$HmBat6Pos == 2)), 
                                                                         retro_games$HmBat6ID, 
                                                                         ifelse(((retro_games$Date %in% atbat$date) 
                                                                                 & (retro_games$HmStPchNm %in% atbat$pitcher_name) 
                                                                                 & (atbat$inning_side == "top")
                                                                                 & (retro_games$HmBat7Pos == 2)), 
                                                                                retro_games$HmBat7ID, 
                                                                                ifelse(((retro_games$Date %in% atbat$date) 
                                                                                        & (retro_games$HmStPchNm %in% atbat$pitcher_name) 
                                                                                        & (atbat$inning_side == "top")
                                                                                        & (retro_games$HmBat8Pos == 2)), 
                                                                                       retro_games$HmBat8ID, 
                                                                                       ifelse(((retro_games$Date %in% atbat$date) 
                                                                                               & (retro_games$HmStPchNm %in% atbat$pitcher_name) 
                                                                                               & (atbat$inning_side == "top")
                                                                                               & (retro_games$HmBat9Pos == 2)), 
                                                                                              retro_games$HmBat9ID, 
                                                                                              ifelse(((retro_games$Date %in% atbat$date) 
                                                                                                      & (retro_games$VisStPchNm %in% atbat$pitcher_name) 
                                                                                                      & (atbat$inning_side == "bottom")
                                                                                                      & (retro_games$VisBat1Pos == 2)), 
                                                                                                     retro_games$VisBat1ID, 
                                                                                                     ifelse(((retro_games$Date %in% atbat$date) 
                                                                                                             & (retro_games$VisStPchNm %in% atbat$pitcher_name) 
                                                                                                             & (atbat$inning_side == "bottom")
                                                                                                             & (retro_games$VisBat2Pos == 2)), 
                                                                                                            retro_games$VisBat12D, 
                                                                                                            ifelse(((retro_games$Date %in% atbat$date) 
                                                                                                                    & (retro_games$VisStPchNm %in% atbat$pitcher_name) 
                                                                                                                    & (atbat$inning_side == "bottom")
                                                                                                                    & (retro_games$VisBat3Pos == 2)), 
                                                                                                                   retro_games$VisBat3ID, 
                                                                                                                   ifelse(((retro_games$Date %in% atbat$date) 
                                                                                                                           & (retro_games$VisStPchNm %in% atbat$pitcher_name) 
                                                                                                                           & (atbat$inning_side == "bottom")
                                                                                                                           & (retro_games$VisBat4Pos == 2)), 
                                                                                                                          retro_games$VisBat4ID, 
                                                                                                                          ifelse(((retro_games$Date %in% atbat$date) 
                                                                                                                                  & (retro_games$VisStPchNm %in% atbat$pitcher_name) 
                                                                                                                                  & (atbat$inning_side == "bottom")
                                                                                                                                  & (retro_games$VisBat5Pos == 2)), 
                                                                                                                                 retro_games$VisBat5ID, 
                                                                                                                                 ifelse(((retro_games$Date %in% atbat$date) 
                                                                                                                                         & (retro_games$VisStPchNm %in% atbat$pitcher_name) 
                                                                                                                                         & (atbat$inning_side == "bottom")
                                                                                                                                         & (retro_games$VisBat6Pos == 2)), 
                                                                                                                                        retro_games$VisBat6ID, 
                                                                                                                                        ifelse(((retro_games$Date %in% atbat$date) 
                                                                                                                                                & (retro_games$VisStPchNm %in% atbat$pitcher_name) 
                                                                                                                                                & (atbat$inning_side == "bottom")
                                                                                                                                                & (retro_games$VisBat7Pos == 2)), 
                                                                                                                                               retro_games$VisBat7ID, 
                                                                                                                                               ifelse(((retro_games$Date %in% atbat$date) 
                                                                                                                                                       & (retro_games$VisStPchNm %in% atbat$pitcher_name) 
                                                                                                                                                       & (atbat$inning_side == "bottom")
                                                                                                                                                       & (retro_games$VisBat8Pos == 2)), 
                                                                                                                                                      retro_games$VisBat8ID, 
                                                                                                                                                      ifelse(((retro_games$Date %in% atbat$date) 
                                                                                                                                                              & (retro_games$VisStPchNm %in% atbat$pitcher_name) 
& (atbat$inning_side == "bottom")
                                                                                                                                                              & (retro_games$VisBat9Pos == 2)), 
                                                                                                                                                             retro_games$VisBat9ID, ""))))))))))))))))))

, а ошибка

Error in ans[test & ok] <- rep(yes, length.out = length(ans))[test & ok] : 
  replacement has length zero
In addition: There were 23 warnings (use warnings() to see them)
> warnings()
Warning messages:
1: In (retro_games$Date %in% atbat$date) & (retro_games$HmStPchNm %in%  ... :
  longer object length is not a multiple of shorter object length
2: In (retro_games$Date %in% atbat$date) & (retro_games$HmStPchNm %in%  ... :
  longer object length is not a multiple of shorter object length
3: In (retro_games$Date %in% atbat$date) & (retro_games$HmStPchNm %in%  ... :
  longer object length is not a multiple of shorter object length
4: In (retro_games$Date %in% atbat$date) & (retro_games$HmStPchNm %in%  ... :
  longer object length is not a multiple of shorter object length
5: In (retro_games$Date %in% atbat$date) & (retro_games$HmStPchNm %in%  ... :
  longer object length is not a multiple of shorter object length
6: In (retro_games$Date %in% atbat$date) & (retro_games$HmStPchNm %in%  ... :
  longer object length is not a multiple of shorter object length
7: In (retro_games$Date %in% atbat$date) & (retro_games$HmStPchNm %in%  ... :
  longer object length is not a multiple of shorter object length
8: In (retro_games$Date %in% atbat$date) & (retro_games$HmStPchNm %in%  ... :
  longer object length is not a multiple of shorter object length
9: In (retro_games$Date %in% atbat$date) & (retro_games$HmStPchNm %in%  ... :
  longer object length is not a multiple of shorter object length
10: In (retro_games$Date %in% atbat$date) & (retro_games$HmStPchNm %in%  ... :
  longer object length is not a multiple of shorter object length
11: In (retro_games$Date %in% atbat$date) & (retro_games$HmStPchNm %in%  ... :
  longer object length is not a multiple of shorter object length
12: In (retro_games$Date %in% atbat$date) & (retro_games$HmStPchNm %in%  ... :
  longer object length is not a multiple of shorter object length
13: In (retro_games$Date %in% atbat$date) & (retro_games$HmStPchNm %in%  ... :
  longer object length is not a multiple of shorter object length
14: In (retro_games$Date %in% atbat$date) & (retro_games$HmStPchNm %in%  ... :
  longer object length is not a multiple of shorter object length
15: In (retro_games$Date %in% atbat$date) & (retro_games$HmStPchNm %in%  ... :
  longer object length is not a multiple of shorter object length
16: In (retro_games$Date %in% atbat$date) & (retro_games$HmStPchNm %in%  ... :
  longer object length is not a multiple of shorter object length
17: In (retro_games$Date %in% atbat$date) & (retro_games$HmStPchNm %in%  ... :
  longer object length is not a multiple of shorter object length
18: In (retro_games$Date %in% atbat$date) & (retro_games$HmStPchNm %in%  ... :
  longer object length is not a multiple of shorter object length
19: In (retro_games$Date %in% atbat$date) & (retro_games$VisStPchNm %in%  ... :
  longer object length is not a multiple of shorter object length
20: In (retro_games$Date %in% atbat$date) & (retro_games$VisStPchNm %in%  ... :
  longer object length is not a multiple of shorter object length
21: In (retro_games$Date %in% atbat$date) & (retro_games$VisStPchNm %in%  ... :
  longer object length is not a multiple of shorter object length
22: In (retro_games$Date %in% atbat$date) & (retro_games$VisStPchNm %in%  ... :
  longer object length is not a multiple of shorter object length
23: In rep(yes, length.out = length(ans)) :
  'x' is NULL so the result will be NULL

edit2

выборка из обоих кадров данных первых 15 строк была слишком длиннойвключить сюда пастбище этого - https://pastebin.com/kTVEgdRs

1 Ответ

1 голос
/ 06 апреля 2019

Обычно ifelse запускается в одном и том же фрейме данных, обеспечивая одинаковое количество строк в разных наборах данных.Сначала рассмотрите возможность слияния, а затем выполните ifelseНиже выполняется объединение влево, сохраняя все строки в atbat .

merged_df <- merge(atbat, retro_games,
                   by.x = c("date", "pitcher_name"),
                   by.y = c("Date", "HmStPchNm"), all.x = TRUE)

merged_df$starting_catcher_retro = with(merged_df, 
                                     ifelse((num == 1) 
                                             & (inning_side == "top")
                                             & (HmBat1Pos == 2), 
                                             HmBat1ID, "no")
                                     )
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