library(xlsx)
## Warning: package 'xlsx' was built under R version 4.1.2
library(stats)
mydata <- read.xlsx("data/Data-with-Codes.xlsx", 1)
head(mydata)
##   PARTICIPANT.IDENTIFIER. SEX..Female...1..Male...2.
## 1                       1                          2
## 2                       2                          2
## 3                       3                          2
## 4                       4                          2
## 5                       5                          2
## 6                       6                          1
##   AGE..days...0.7.1..8.14.2..15.21.3..22..4
## 1                                         1
## 2                                         1
## 3                                         1
## 4                                         1
## 5                                         3
## 6                                         1
##   BIRTHWEIGHT..1.HBW..2..NBW..3.LBW..4.VLBW..5.ELBW.
## 1                                                  2
## 2                                                  3
## 3                                                  1
## 4                                                  2
## 5                                                  2
## 6                                                  2
##   GESTATIONAL.AGE..1..26.30..2.31.35..3.36.40..4..41.
## 1                                                   3
## 2                                                   3
## 3                                                   3
## 4                                                   4
## 5                                                   4
## 6                                                   3
##   MODE.OF.DELIVERY..NVD.1..CS.2. CURRENT.MODE.OF.FEEDING..Cup.1..Tube.2..BF.3.
## 1                              1                                             3
## 2                              1                                             1
## 3                              1                                             1
## 4                              2                                             3
## 5                              1                                             3
## 6                              1                                             1
##   Dysphagia.Present...Yes.1..No.2.
## 1                                1
## 2                                1
## 3                                1
## 4                                2
## 5                                2
## 6                                2
##   MORBIDITIES.AT.BIRTH..NNE.1..NNJ.2..NNS.3..Septicaemia.4..Prematurity.5..Meningitis.6..Hypoglycaemia.7..Abnormal.Heartrate.8.
## 1                                                                                                                             1
## 2                                                                                                                           5+3
## 3                                                                                                                             4
## 4                                                                                                                       8+7+1+4
## 5                                                                                                                             1
## 6                                                                                                                             1