moonBook 패키지 업데이트 안내

2018.05.18 12:18

cardiomoon 조회 수:1822

moonBook 패키지가 업데이트 되었습니다.

1) mytable함수를 데이타프레임에 사용하거나 formula를 사용하되 group을 지정하지 않고 사용할 수 있습니다.

2) mytable함수에서 label을 사용할 수 있습니다.

CRAN 패키지 버젼은 0.1.8이니 최신버젼을 사용하시려면 github에서 하셔요.

if(!require(devtools)) install.packages("devtools")

devtools::install_github("cardiomoon/moonBook")

아래는 간략한 update내용입니다. 자세한 사항은 moonBook vignette(http://rpubs.com/cardiomoon/390168) 와 ztable update vignette(http://rpubs.com/cardiomoon/388645)를 참조하세요

Function “mytable”

Function “mytable”" produce table for descriptive analysis easily. It is most useful to make table to describe baseline charateristics common in medical research papers.

Basic Usage

require(moonBook)

Loading required package: moonBook

data(acs)
mytable(Dx~.,data=acs)


                 Descriptive Statistics by 'Dx'                 
_________________________________________________________________ 
                     NSTEMI       STEMI     Unstable Angina   p  
                    (N=153)      (N=304)        (N=400)    
----------------------------------------------------------------- 
 age              64.3 ± 12.3  62.1 ± 12.1    63.8 ± 11.0   0.073
 sex                                                        0.012
   - Female        50 (32.7%)   84 (27.6%)    153 (38.2%)        
   - Male         103 (67.3%)  220 (72.4%)    247 (61.8%)        
 cardiogenicShock                                           0.000
   - No           149 (97.4%)  256 (84.2%)   400 (100.0%)        
   - Yes           4 ( 2.6%)    48 (15.8%)     0 ( 0.0%)         
 entry                                                      0.001
   - Femoral       58 (37.9%)  133 (43.8%)    121 (30.2%)        
   - Radial        95 (62.1%)  171 (56.2%)    279 (69.8%)        
 EF               55.0 ±  9.3  52.4 ±  9.5    59.2 ±  8.7   0.000
 height           163.3 ±  8.2 165.1 ±  8.2  161.7 ±  9.7   0.000
 weight           64.3 ± 10.2  65.7 ± 11.6    64.5 ± 11.6   0.361
 BMI              24.1 ±  3.2  24.0 ±  3.3    24.6 ±  3.4   0.064
 obesity                                                    0.186
   - No           106 (69.3%)  209 (68.8%)    252 (63.0%)        
   - Yes           47 (30.7%)   95 (31.2%)    148 (37.0%)        
 TC               193.7 ± 53.6 183.2 ± 43.4  183.5 ± 48.3   0.057
 LDLC             126.1 ± 44.7 116.7 ± 39.5  112.9 ± 40.4   0.004
 HDLC             38.9 ± 11.9  38.5 ± 11.0    37.8 ± 10.9   0.501
 TG               130.1 ± 88.5 106.5 ± 72.0  137.4 ± 101.6  0.000
 DM                                                         0.209
   - No            96 (62.7%)  208 (68.4%)    249 (62.2%)        
   - Yes           57 (37.3%)   96 (31.6%)    151 (37.8%)        
 HBP                                                        0.002
   - No            62 (40.5%)  150 (49.3%)    144 (36.0%)        
   - Yes           91 (59.5%)  154 (50.7%)    256 (64.0%)        
 smoking                                                    0.000
   - Ex-smoker     42 (27.5%)   66 (21.7%)    96 (24.0%)         
   - Never         50 (32.7%)   97 (31.9%)    185 (46.2%)        
   - Smoker        61 (39.9%)  141 (46.4%)    119 (29.8%)        
-----------------------------------------------------------------

The first argument of function mytable is an object of class formula. Left side of ~ must contain the name of one grouping variable or two grouping variables in an additive way(e.g. sex+group~), and the right side of ~ must have variables in an additive way. . is allowed on the right side of formula which means all variables in the data.frame specified by the 2nd argument data. The sample data ‘acs’ containing demographic data and laboratory data of 857 pateints with acute coronary syndrome(ACS). For more information about the data acs, type ?acs in your R console.

str(acs)

'data.frame':   857 obs. of  17 variables:
 $ age             : int  62 78 76 89 56 73 58 62 59 71 ...
 $ sex             : chr  "Male" "Female" "Female" "Female" ...
 $ cardiogenicShock: chr  "No" "No" "Yes" "No" ...
 $ entry           : chr  "Femoral" "Femoral" "Femoral" "Femoral" ...
 $ Dx              : chr  "STEMI" "STEMI" "STEMI" "STEMI" ...
 $ EF              : num  18 18.4 20 21.8 21.8 22 24.7 26.6 28.5 31.1 ...
 $ height          : num  168 148 NA 165 162 153 167 160 152 168 ...
 $ weight          : num  72 48 NA 50 64 59 78 50 67 60 ...
 $ BMI             : num  25.5 21.9 NA 18.4 24.4 ...
 $ obesity         : chr  "Yes" "No" "No" "No" ...
 $ TC              : num  215 NA NA 121 195 184 161 136 239 169 ...
 $ LDLC            : int  154 NA NA 73 151 112 91 88 161 88 ...
 $ HDLC            : int  35 NA NA 20 36 38 34 33 34 54 ...
 $ TG              : int  155 166 NA 89 63 137 196 30 118 141 ...
 $ DM              : chr  "Yes" "No" "No" "No" ...
 $ HBP             : chr  "No" "Yes" "Yes" "No" ...
 $ smoking         : chr  "Smoker" "Never" "Never" "Never" ...

Explore a data.frame

You can use mytable function to explore a data.frame.

mytable(acs)


        Descriptive Statistics       
-------------------------------------- 
                        N      Total     
-------------------------------------- 
 age                  857  63.3 ± 11.7 
 sex                  857               
   - Female                287  (33.5%) 
   - Male                  570  (66.5%) 
 cardiogenicShock     857               
   - No                    805  (93.9%) 
   - Yes                     52  (6.1%) 
 entry                857               
   - Femoral               312  (36.4%) 
   - Radial                545  (63.6%) 
 Dx                   857               
   - NSTEMI                153  (17.9%) 
   - STEMI                 304  (35.5%) 
   - Unstable Angina       400  (46.7%) 
 EF                   723   55.8 ± 9.6 
 height               764  163.2 ± 9.1 
 weight               766  64.8 ± 11.4 
 BMI                  764   24.3 ± 3.3 
 obesity              857               
   - No                    567  (66.2%) 
   - Yes                   290  (33.8%) 
 TC                   834 185.2 ± 47.8 
 LDLC                 833 116.6 ± 41.1 
 HDLC                 834  38.2 ± 11.1 
 TG                   842 125.2 ± 90.9 
 DM                   857               
   - No                    553  (64.5%) 
   - Yes                   304  (35.5%) 
 HBP                  857               
   - No                    356  (41.5%) 
   - Yes                   501  (58.5%) 
 smoking              857               
   - Ex-smoker             204  (23.8%) 
   - Never                 332  (38.7%) 
   - Smoker                321  (37.5%) 
--------------------------------------

You can use formula without grouping variable(s).

mytable(~age+sex,data=acs)


   Descriptive Statistics   
----------------------------- 
               N      Total     
----------------------------- 
 age         857  63.3 ± 11.7 
 sex         857               
   - Female       287  (33.5%) 
   - Male         570  (66.5%) 
-----------------------------

다음은 라벨의 사용에 관한 내용입니다.

Use of labelled data

You can use labels of the data. For example, you can add column labels and value labels of mtcars data using set_label() and set_labels() function of the sjlabelled package.

if(!require(sjlabelled)) {
    install.packages("sjlabelled")
    require(sjlabelled)
}

Loading required package: sjlabelled

df=mtcars
df$am<-set_label(df$am,label="Transmission")
df$am<-set_labels(df$am,labels=c("automatic","manual"))
df$vs<-set_label(df$vs,label="Engine")
df$vs<-set_labels(df$vs,labels=c("V-shaped","straight"))

You can see the labels of this data.

str(df)

'data.frame':   32 obs. of  11 variables:
 $ mpg : num  21 21 22.8 21.4 18.7 18.1 14.3 24.4 22.8 19.2 ...
 $ cyl : num  6 6 4 6 8 6 8 4 4 6 ...
 $ disp: num  160 160 108 258 360 ...
 $ hp  : num  110 110 93 110 175 105 245 62 95 123 ...
 $ drat: num  3.9 3.9 3.85 3.08 3.15 2.76 3.21 3.69 3.92 3.92 ...
 $ wt  : num  2.62 2.88 2.32 3.21 3.44 ...
 $ qsec: num  16.5 17 18.6 19.4 17 ...
 $ vs  : num  0 0 1 1 0 1 0 1 1 1 ...
  ..- attr(*, "label")= chr "Engine"
  ..- attr(*, "labels")= Named num  0 1
  .. ..- attr(*, "names")= chr  "V-shaped" "straight"
 $ am  : num  1 1 1 0 0 0 0 0 0 0 ...
  ..- attr(*, "label")= chr "Transmission"
  ..- attr(*, "labels")= Named num  0 1
  .. ..- attr(*, "names")= chr  "automatic" "manual"
 $ gear: num  4 4 4 3 3 3 3 4 4 4 ...
 $ carb: num  4 4 1 1 2 1 4 2 2 4 ...

You can use the column label and value labels with mytable() function. The default values of use.labels and use.column.labels arguments of mytable() function are TRUE. You can change this arguments if you want.

mytable(df)


     Descriptive Statistics    
-------------------------------- 
                 N       Total     
-------------------------------- 
 mpg            32    20.1 ± 6.0 
 cyl            32                
   - 4                11  (34.4%) 
   - 6                 7  (21.9%) 
   - 8                14  (43.8%) 
 disp           32 230.7 ± 123.9 
 hp             32  146.7 ± 68.6 
 drat           32     3.6 ± 0.5 
 wt             32     3.2 ± 1.0 
 qsec           32    17.8 ± 1.8 
 Engine         32                
   - V-shaped         18  (56.2%) 
   - straight         14  (43.8%) 
 Transmission   32                
   - automatic        19  (59.4%) 
   - manual           13  (40.6%) 
 gear           32                
   - 3                15  (46.9%) 
   - 4                12  (37.5%) 
   - 5                 5  (15.6%) 
 carb           32     2.8 ± 1.6 
--------------------------------

mytable(df,use.labels=FALSE, use.column.label=FALSE)


 Descriptive Statistics
------------------------ 
         N       Total     
------------------------ 
 mpg    32    20.1 ± 6.0 
 cyl    32                
   - 4        11  (34.4%) 
   - 6         7  (21.9%) 
   - 8        14  (43.8%) 
 disp   32 230.7 ± 123.9 
 hp     32  146.7 ± 68.6 
 drat   32     3.6 ± 0.5 
 wt     32     3.2 ± 1.0 
 qsec   32    17.8 ± 1.8 
 vs     32                
   - 0        18  (56.2%) 
   - 1        14  (43.8%) 
 am     32                
   - 0        19  (59.4%) 
   - 1        13  (40.6%) 
 gear   32                
   - 3        15  (46.9%) 
   - 4        12  (37.5%) 
   - 5         5  (15.6%) 
 carb   32     2.8 ± 1.6 
------------------------

mytable(am~.,data=df)


   Descriptive Statistics by 'Transmission'  
______________________________________________ 
                automatic      manual      p  
                 (N=19)        (N=13)   
---------------------------------------------- 
 mpg           17.1 ±  3.8  24.4 ±  6.2  0.000
 cyl                                     0.013
   - 4          3 (15.8%)    8 (61.5%)        
   - 6          4 (21.1%)    3 (23.1%)        
   - 8         12 (63.2%)    2 (15.4%)        
 disp         290.4 ± 110.2 143.5 ± 87.2 0.000
 hp           160.3 ± 53.9  126.8 ± 84.1 0.180
 drat           3.3 ±  0.4   4.0 ±  0.4  0.000
 wt             3.8 ±  0.8   2.4 ±  0.6  0.000
 qsec          18.2 ±  1.8  17.4 ±  1.8  0.206
 Engine                                  0.556
   - V-shaped  12 (63.2%)    6 (46.2%)        
   - straight   7 (36.8%)    7 (53.8%)        
 gear                                    0.000
   - 3         15 (78.9%)     0 ( 0.0%)       
   - 4          4 (21.1%)    8 (61.5%)        
   - 5          0 ( 0.0%)    5 (38.5%)        
 carb           2.7 ±  1.1   2.9 ±  2.2  0.781
----------------------------------------------

mytable(vs+am~.,data=df)


  Descriptive Statistics stratified by 'Engine' and 'Transmission'  
_____________________________________________________________________ 
                    V-shaped                        straight            
       ------------------------------- ------------------------------ 
        automatic      manual      p    automatic     manual      p  
          (N=12)       (N=6)             (N=7)        (N=7)        
--------------------------------------------------------------------- 
 mpg   15.1 ±  2.8  19.8 ±  4.0  0.010 20.7 ±  2.5  28.4 ±  4.8 0.003
 cyl                             0.006                               
   - 4   0 ( 0.0%)   1 (16.7%)          3 (42.9%)   7 (100.0%)       
   - 6   0 ( 0.0%)   3 (50.0%)          4 (57.1%)    0 ( 0.0%)       
   - 8 12 (100.0%)   2 (33.3%)           0 ( 0.0%)   0 ( 0.0%)       
 disp  357.6 ± 71.8 206.2 ± 95.2 0.002 175.1 ± 49.1 89.8 ± 18.8 0.003
 hp    194.2 ± 33.4 180.8 ± 98.8 0.760 102.1 ± 20.9 80.6 ± 24.1 0.099
 drat   3.1 ±  0.2   3.9 ±  0.3  0.000  3.6 ±  0.5   4.1 ±  0.4 0.025
 wt     4.1 ±  0.8   2.9 ±  0.5  0.002  3.2 ±  0.3   2.0 ±  0.4 0.000
 qsec  17.1 ±  0.8  15.8 ±  1.1  0.009 20.0 ±  1.5  18.7 ±  0.9 0.078
 gear                            0.000                          0.111
   - 3 12 (100.0%)    0 ( 0.0%)         3 (42.9%)    0 ( 0.0%)       
   - 4   0 ( 0.0%)   2 (33.3%)          4 (57.1%)    6 (85.7%)       
   - 5   0 ( 0.0%)   4 (66.7%)           0 ( 0.0%)   1 (14.3%)       
 carb                                                                
   - 1   0 ( 0.0%)    0 ( 0.0%)         3 (42.9%)    4 (57.1%)       
   - 2  4 (33.3%)    1 (16.7%)          2 (28.6%)    3 (42.9%)       
   - 3  3 (25.0%)     0 ( 0.0%)          0 ( 0.0%)   0 ( 0.0%)       
   - 4  5 (41.7%)    3 (50.0%)          2 (28.6%)    0 ( 0.0%)       
   - 6   0 ( 0.0%)   1 (16.7%)           0 ( 0.0%)   0 ( 0.0%)       
   - 8   0 ( 0.0%)   1 (16.7%)           0 ( 0.0%)   0 ( 0.0%)       
---------------------------------------------------------------------

이 게시물을

PedEndo

2018.09.30 01:21

안녕하세요 선생님

패키지 이용시 기본값이 소수점 한자리까지 나오는데 소수점 두자리까지 나오게 하게 할 수는 없을까요?

댓글
cardiomoon

2018.09.30 11:34

mytable(....,digits=2) 로 하시면 됩니다.

댓글
PedEndo

2018.10.07 08:25

네 감사합니다.

댓글

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