[R] table information

# list objects in the working environment
ls()

# list the variables in mydata
names(mydata)

# list the structure of mydata
str(mydata)

# list levels of factor v1 in mydata
levels(mydata$v1)

# dimensions of an object
dim(object)

# class of an object (numeric, matrix, data frame, etc)
class(object)

# print mydata
mydata

# print first 10 rows of mydata
head(mydata, n=10)

# print last 5 rows of mydata
tail(mydata, n=5)

 

for(dt in names(data)){ 
  print(dt)
  write.table(data[[dt]], file=dt, sep='\t', quote=FALSE, row.names=FALSE)
}

 

Mat <- read.table(file="file_name.tsv", sep = '\t', header = TRUE, row.names=1)

 

 

Reference

- https://www.statmethods.net/input/contents.html