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    1. Asked: January 19, 2022In: Data Structure

      what is complexity in data structure?

      I'M ADMIN
      I'M ADMIN
      Added an answer on January 19, 2022 at 11:18 am

      The complexity of an algorithm is a function that defines the efficiency of the algorithm in terms of the amount of data and time taken by the algorithm to process.

      The complexity of an algorithm is a function that defines the efficiency of the algorithm in terms of the amount of data and time taken by the algorithm to process.

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    2. Asked: January 18, 2022In: Data Science

      Alpha 125.5 0 Beta 235.6 1 Beta 212.03 0 Beta 211.30 0 Alpha 265.46 1 File Name – Dataframe.csv Which …

      I'M ADMIN
      I'M ADMIN
      Added an answer on January 18, 2022 at 2:07 pm

      ANSWER: D) csv2(‘Dataframe.csv’,header=FALSE,sep=’,’)

      ANSWER: D) csv2(‘Dataframe.csv’,header=FALSE,sep=’,’)

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    3. Asked: January 18, 2022In: Data Science

      Write an R program for following operations:- a) First make two separate files (word, excel) and then perform import and …

      I'M ADMIN
      I'M ADMIN
      Added an answer on January 18, 2022 at 2:03 pm

      DOWNLOAD BELOW ATTACHMENT FOR ANSWER ALSO, SUPPORT US BY VOTING UP ANSWERS.

      DOWNLOAD BELOW ATTACHMENT FOR ANSWER
      ALSO, SUPPORT US BY VOTING UP ANSWERS.
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    4. Asked: January 18, 2022In: Data Science

      Write an R programme to add a new column in a given data frame.

      I'M ADMIN
      I'M ADMIN
      Added an answer on January 18, 2022 at 12:24 pm

      data1 =data.frame( subject = c("C++", "PYTHON", "IOT", "DBMS", "DS"), mark= c(78,67,89,98,88) ) print(data1) #add new column to existing one data1<-data.frame(grade=c("B+","B", "A","A+","A"),data1) data1

      data1 =data.frame( subject = c("C++", "PYTHON",
      "IOT", "DBMS", 
      "DS"),
      
      mark= c(78,67,89,98,88)
      )
      print(data1)
      
      #add new column to existing one
      data1<-data.frame(grade=c("B+","B", "A","A+","A"),data1)
      data1
      
      
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    5. Asked: January 18, 2022In: Data Science

      Write an R program to change a column name of a given data frame.

      I'M ADMIN
      I'M ADMIN
      Added an answer on January 18, 2022 at 12:17 pm

      data1 =data.frame( subject = c("C++", "PYTHON", "IOT", "DBMS", "DS"), mark= c(78,67,89,98,88) ) print(data1) #change column name "mark to NEW_MARKS" names(data1)[2] <- 'NEW_MARKS' data1

      data1 =data.frame( subject = c("C++", "PYTHON",
      "IOT", "DBMS", 
      "DS"),
      
      mark= c(78,67,89,98,88)
      )
      print(data1)
      #change column name "mark to NEW_MARKS"
      names(data1)[2] <- 'NEW_MARKS'
      data1
      
      
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    6. Asked: January 18, 2022In: Data Science

      Write an R program to create a simple bar plot of five subject’s marks.

      I'M ADMIN
      I'M ADMIN
      Added an answer on January 18, 2022 at 12:10 pm

      # Create the data for the chart marks <- c(70,82,96,80,90) subject <- c("DBMS","IOT","C++","JAVA","PYTHON") png(file = "subject_marks.png") # Plot the bar chart barplot(marks,names.arg=subject,xlab="subjects",ylab="marks",col="red", main="Subject-Marks chart",border="black") # Save the file deRead more

      # Create the data for the chart
      marks <- c(70,82,96,80,90)
      subject <- c("DBMS","IOT","C++","JAVA","PYTHON")
      
      
      png(file = "subject_marks.png")
      
      # Plot the bar chart 
      barplot(marks,names.arg=subject,xlab="subjects",ylab="marks",col="red",
      main="Subject-Marks chart",border="black")
      
      # Save the file
      dev.off()
      
      
      #output
      
      
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