生信技能树笔记day5

#1.读取ex1.txt
ex1 <- read.table("day3/R_02/ex1.txt")
ex1[1:3,1:3]

##                                     V1
## 1                                   id
## 2 66e33592-2e6e-4e50-8a5b-8a3f902eb2b5
## 3 142aea0e-7a7b-4ac4-9dbb-0f62e2379599
##                                                  V2                               V3
## 1                                          filename                              md5
## 2 nationwidechildrens.org_clinical.TCGA-4G-AAZO.xml 740edde27e113bca1454defaffe50378
## 3 nationwidechildrens.org_clinical.TCGA-W5-AA2O.xml b83ddabb84f4a71ad3fa95cae64d0b10

ex1 <- read.table("day3/R_02/ex1.txt",header = T)
ex1[1:3,1:3]

##                                     id
## 1 66e33592-2e6e-4e50-8a5b-8a3f902eb2b5
## 2 142aea0e-7a7b-4ac4-9dbb-0f62e2379599
## 3 9d951ff8-ce21-4c69-86f2-0d1eeb2e40e3
##                                            filename                              md5
## 1 nationwidechildrens.org_clinical.TCGA-4G-AAZO.xml 740edde27e113bca1454defaffe50378
## 2 nationwidechildrens.org_clinical.TCGA-W5-AA2O.xml b83ddabb84f4a71ad3fa95cae64d0b10
## 3 nationwidechildrens.org_clinical.TCGA-W5-AA31.xml ae4382dde26cb733ad388df197e6947b

#2.读取ex2.csv
ex2 <- read.csv("day3/R_02/ex2.csv")
ex2[1:3,1:3]

##         X TCGA.06.0238.01A TCGA.06.0171.02A
## 1 NCKAP1L         10.96088         13.67818
## 2     SYK         10.64797         12.99044
## 3   PTPRC         10.61789         13.49278

#check.names = F:不检查文件中的特殊字符
ex2 <- read.csv("day3/R_02/ex2.csv",row.names = 1,check.names = F)
ex2[1:3,1:3]

##         TCGA-06-0238-01A TCGA-06-0171-02A TCGA-28-5218-01A
## NCKAP1L         10.96088         13.67818         11.69558
## SYK             10.64797         12.99044         11.07856
## PTPRC           10.61789         13.49278         11.26111

#注意：数据框不允许重复的行名
# rod = read.csv("day3/R_02/rod.csv",row.names = 1)
rod = read.csv("day3/R_02/rod.csv")

#3.读取soft.txt
# soft <- read.table("day3/R_02/soft.txt")
soft <- read.table("day3/R_02/soft.txt",header = T,fill = T) #其实不对
soft2 <- read.table("day3/R_02/soft.txt",header = T,sep = "\t")