是否有R函数将此数据从长到宽进行重塑?
数据现在的样子:是否有R函数将此数据从长到宽进行重塑?,r,excel,reshape,R,Excel,Reshape,数据现在的样子: Coach ID | Student | score | --------------------------------- 1 | A | 8 | 1 | B | 3 | 2 | A | 5 | 2 | B | 4 | 2 | C | 7 | 看起来像这样: Coach ID | Student | s
Coach ID | Student | score |
---------------------------------
1 | A | 8 |
1 | B | 3 |
2 | A | 5 |
2 | B | 4 |
2 | C | 7 |
看起来像这样:
Coach ID | Student | score | student_2|score_2| student_3|score_3
------------------------------------------------------------------
1 | A | 8 | B | 3 |
2 | A | 5 | B | 4 | C | 7
是否有办法将数据从长改宽
谢谢 您可以为每个
学生
创建一个具有唯一值的新标识符列,然后使用pivot\u wide
将多个列的大小写为wide
library(dplyr)
df %>%
mutate(name = as.integer(factor(Student))) %>%
tidyr::pivot_wider(names_from = name, values_from = c(Student, score))
# CoachID Student_1 Student_2 Student_3 score_1 score_2 score_3
# <int> <fct> <fct> <fct> <int> <int> <int>
#1 1 A B NA 8 3 NA
#2 2 A B C 5 4 7
库(dplyr)
df%>%
mutate(name=as.integer(factor(Student)))%>%
tidyr::pivot\u更宽(名称\u from=name,值\u from=c(学生,分数))
#辅导学生1学生2学生3分1分2分3分
#
#1 A B NA 8 3 NA
#2 A B C 5 4 7
数据
df <- structure(list(CoachID = c(1L, 1L, 2L, 2L, 2L), Student = structure(c(1L,
2L, 1L, 2L, 3L), .Label = c("A", "B", "C"), class = "factor"),
score = c(8L, 3L, 5L, 4L, 7L)), class = "data.frame", row.names = c(NA, -5L))
df在base R中,您可以使用重塑功能:
reshape(transform(df,time = as.numeric(factor(Student))),idvar = "CoachID",dir = "wide",sep="_")
CoachID Student_1 score_1 Student_2 score_2 Student_3 score_3
1 1 A 8 B 3 <NA> NA
3 2 A 5 B 4 C 7
重塑(转换(df,时间=as.numeric(因子(学生))),idvar=“CoachID”,dir=“wide”,sep=“389;”)
辅导学生1分学生1分学生2分学生3分
1 A 8 B 3 NA
3 2 A 5 B 4 C 7