Assessment Task:
R Code IT Assessment Answer

The spreadsheet titled ‘censusdata.xlsx’ contains information about the number of bedrooms in occupied private dwellings for local government areas in Melbourne for the years 2011 and 2016. You will see that it is far from being ready for analysis and needs to be ‘wrangled’. Additionally, a few errors have been deliberately introduced into the first two columns so these will need to be corrected by initial analysis. 

1.    Explain why the data in its current form is not considered to be in ‘tidy’ format. (1 mark) 
2.    Write R code to read in the data (readxl package), manipulate it and output it to a single csv file having the following header row. region,year,br_count_0,br_count_1,br_count_2,br_count_3,br_count_4_or_more,br_count_unstate d,av_per_dwelling,av_per_household Your code will have the following sections (not necessarily in the order given and the process may be iterative as you find more things to do). Please include comments in the code to separate each segment and explain your steps. 

•    Read in the data sets into two data frames df2011 and df2016. 
•    Compare the layout of each of the two data frames, then remove appropriate rows of one data frame to match the format of the other. 
•    Write a function that takes in a table of the original form and outputs a table in the desired form with columns specified above. 

 

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  • Uploaded By : Mitchell Lee
  • Posted on : December 05th, 2018

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