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Asked: 2022-01-20T13:39:11+05:30 In:

Create a dataframe Student, perform below mentioned operation on a data frame. Explain with proper example.  a) Write R Code …

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Create a dataframe Student, perform below mentioned operation on a data frame. Explain with proper example. 

  1. a) Write R Code to convert all the values in a student dataframe into Matrix.
  2. b) Select the subset of Dataframe
  3. c) Sort the data within frame
  4. d) Visualize the Dataframe usingplot ()
data science using r
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    1 Answer

    1. I'M ADMIN
      stu_data<-data.frame(name=c("James","harry","Robert","Larry","Rozer"),
rollno=c(1:5),
stream=c("Science","commerce","Biology","commerce","Science"))
stu_data

#a) Write R Code to convert all the values in a student dataframe into Matrix.
stu_mat<-data.matrix(stu_data)
stu_mat

#b) Select the subset of Dataframe
sub_set<-stu_data[c(1,4:5),c(1:3)]
sub_set

#c) Sort the data within frame
print(stu_data[order(stu_data$rollno, decreasing = TRUE), ] )

#d) Visualize the Dataframe usingplot ()
plot.ts(stu_mat)

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