Detecting Credit Card Fraud: A Machine Learning Approach
Training on using kobotoolbox for on line or off-line
1. TRAINING OF USING
KOBOTOOLBOX FOR ON-LINE
OR OFF-LINE DATA
COLLECTION AND ANALYSIS
A.K. ENAMUL HAQUE
EAST WEST UNIVERSITY
2. WWW.KOBOTOOLBOX.ORG
• COLLECT DATA
• QUICKLY AND RELIABLY COLLECT YOUR SURVEY DATA ON ANDROID, IOS, AND MANY
OTHER DEVICES, ONLINE OR OFFLINE, IN ANY LANGUAGE AND WITH COMPLEX SKIP
LOGIC.
• ANALYZE AND MANAGE DATA
• INSPECT YOUR DATA MOMENTS AFTER IT WAS COLLECTED - OR DOWNLOAD IT FOR
ADVANCED ANALYSIS IN OTHER SOFTWARE IN EXCEL, AND CSV FORMATS.
3. DATA COLLECTION ADVANTAGES
• ONLINE/OFFLINE
• TOOLS WERE BUILT FOR THE MOST DEMANDING CONTEXTS WHERE INTERNET CONNECTIVITY IS THE
EXCEPTION, NOT THE RULE. SURVEYS CAN BE CONDUCTED ENTIRELY WHILE BEING OFFLINE,
REGARDLESS WHAT KIND OF DEVICE IS BEING USED DURING THE COLLECTION PROCESS.
• DATA INTEGRITY
• COLLECTED INFORMATION IS STORED SAFELY. SYNCHRONIZATION VIA SSL ENSURES THAT YOUR DATA
CAN'T BE READ BY A THIRD PARTY. STRONG SAFEGUARDS EXIST ALSO FOR AVOIDING DATA LOSS
EVEN DURING VERY LONG INTERVIEWS.
• EASY SYNCHRONIZATION
• UPLOADING DATA IS STRAIGHTFORWARD AND CAN TAKE PLACE ON DEMAND OR IN THE
BACKGROUND WHENEVER INTERNET CONNECTIVITY KIND IS AVAILABLE.
4. ANALYZE AND MANAGE DATA
• QUICK ANALYSIS
• CREATE SUMMARY TABLES FOR ALL INDICATORS WITHOUT HAVING TO DOWNLOAD THE DATA
• SUMMARIZE USING SIMPLE FREQUENCIES OR CALCULATING AVERAGES (MEAN, MEDIAN, AND MODE)
• MAPPING
• IMMEDIATELY SEE COLLECTED POINTS
• DISAGGREGATE DATA POINTS BY SURVEY RESPONSES (SUCH AS GENDER OR EDUCATION LEVEL)
• DOWNLOAD ALL GPS POINTS AS KML FILE TO INTEGRATE INTO OTHER SOFTWARE
• DOWNLOADING DATA
• DOWNLOAD ALL YOUR DATA AND IN EXCEL, CSV, SPSS, AND OTHER FORMATS
• DOWNLOAD ALL COLLECTED MEDIA (IMAGES, VIDEOS, SOUND RECORDINGS) AS A ZIP FILE
5. HOW TO PREPARE YOURSELF
• CREATE AN ADMIN ACCOUNT IN WWW.KOBOTOOLBOX.ORG
• CREATE A DATA COLLECTION ACCOUNT IN WWW.KOBOTOOLBOX.ORG
9. HOW TO CREATE YOUR QUESTIONNAIRE
• CLICK ON NEW FORM TO BEGIN YOUR PROJECT
QUESTIONNAIRE
10. PROJECT BASICS
• Give a name of the project (optional)
• You can give a short description about
your project (optional)
• Select Sector (optional)
• Select Country (optional)
12. QUESTIONNAIRE BASICS
• USE OF MODULAR FORMAT
• USE OF SKIP LOGIC
• RESPONSE TYPE (MOST POPULAR TYPES)
• SELECT ONE [FROM MANY IN THE LIST]
• SELECT MANY (MULTIPLE RESPONSE) [FORM MANY IN THE LIST]
• TEXT RESPONSE [TYPE IN INFO WHEN NEEDED]
• NUMBER (INTEGER) [FOR INTEGER RESPONSES ONLY]
• NUMBER (DECIMAL) [FOR RESPONSE WHEN DECIMALS ARE ALSO EXPECTED]
• NOTE [FOR THE ENUMERATORS TO READ BEFORE ASKING QUESTIONS]
• ACKNOWLEDGE [FOR ACCEPTING A CONDITION DURING INTERVIEWS]
• MATRIX [FOR RANKING USING A SCALE]
• RANKING [FOR CHOOSING ONE FROM A LIST BASED ON PRIORITIES]
• GPS [GPS COORDINATES]
26. CLONING YOUR QUESTIONNAIRE
Click here
You must clone your
questionnaire before deploying
for data collection.
Use the clone questionnaire for
further editing and deploying
Use deployed questionnaire to
test integrity of data collection
27. FOR SURVEY
• ONCE DEPLOYED QUESTIONNAIRE IS ALMOST READY FOR DATA COLLECTION
• TWO WAYS TO COLLECT DATA
• USING WEBLINK
• ONLINE
• USING MOBILE APP
• OFFLINE
• ONLINE
28. USING KOBOCOLLECT
ANDROID APP
Install kobocollect on devices used
for data collection
Use the following link to get
questions on your mobile
URL
https://kobocollect.org/accountid
Username: enumeratoraccountid
Password: password
Master account
Data collection
account
Enumerator
password
32. ANALYSIS
BASICS
You can group your responses by
variables
Navigate responses as it goes
during the survey
Understand response patterns
WITHOUT DOWNLOADING YOUR
DATA ANY TIME DURING OR AFTER
THE SURVEY