data journalism - data mashing and summarisation

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DATA JOURNALISM Dr. Bahareh Heravi @Bahareh360 Week 4 Data Mashing & Data Summarisation

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DATA JOURNALISM

Dr. Bahareh Heravi @Bahareh360

Week 4Data Mashing &

Data Summarisation

What  we  learned  last  week:    Start  working  with  Excel  

Sort  and  Filter  

Simple  math  func;ons:    Sum    Measures  of  centrality  

Rate  

Percentage  change      

 

Last  week’s  Hands-­‐on/Exercise:    1-­‐  Percentage  change  of  theF  crime  between  2014  Q1  and  2015  Q1  for  all  Garda  division  in  Ireland.    2-­‐  Rate  of  theF  crimes  in  all  coun;es  in  Ireland  (with  respect  to  the  listed  Garda  divisions).      Tip:  For  Crime  rate  look  for  popula2on  sta2s2cs  in  CSO,  try  to  merge  the  two  tables,  and  not  to  copy  and  paste  each  figure  manually.    

Garda  Division  popula;on  stats.  

hTp://www.cso.ie/en/census/census2011smallareapopula;onsta;s;cssaps/  

Data  Mashing    Excel  VLOOKUP  Google  Fusion  Tables  Google  Spreadsheets    

 

   

VLOOKUP    

 

     

SUMMARISING  THE  DATA  

Pivot  Tables    To  summarise  and  cross  tabulate  the  data.    Open  crime  sta;s;cs  in  Ireland  from  Blackboard:    (1)  Crime  by  Garda  Division,  Region  and  

type  of  offence  (2)  Garda  Division  popula;on    

Data>Pivot  table  

Pivot  Tables    Open  Datamania  dataset*.    See  what  stories  you  can  find  in  “PRISON”  sheet.      

 *Credit  to  Steve  Doig  for  the  Datamanian  dataset.  

   

Hands-­‐on    

 

Readings:    Using  Excel  to  do  data  journalism,  Steve  Doig    Data  Smart:  Chapter  1,  John  Foreman        

 QuesEons?  

 

Bahareh  R.  Heravi    

 

 

@Bahareh360