Effective Ranking and Data Structure for Tableau

1. Effective Ranking and Data Structure
March 29, 2018
Dr. Masabumi Furuhata
Tableau English User Group ~ Episode 4

2. ©GRI Inc.
About Me
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Dr. Masabumi Furuhata
- Data Scientist
- AI Researcher in Mechanism Design
- Consultant
GRI Inc.
• Data Analysis for Business Planning
Career
Dwango
University of Southern California
Japan Advanced Institute of Science & Tech.
KPMG Consulting
Marubun
Education
PhD Universite de Toulouse
PhD University of Western Sydney
Master University of Tsukuba

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What We Do?
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AI(Prediction/Classificat
ion/Clustering)
Data Engineering
-DB/Data Mart
-Infrastructure
-Crawling/scraping/API
-ETL
Insight Extraction
-Tableau
-Python/R
-Natural Language Processing
-xgboost
-Deep Learning
-State-space Model
-Graph Theory
BI (Data-Driven
Culture)
-Tableau
-Network Visualization
-Consultation/DevOps
Business Analyst
Data Engineer Data Architect
Data Analyst Data Scientist
Consultant Data Scientist
Data

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Our Approach
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BI
(Tableau)
AI
(Machine Learning)
Analytical
Data Set
Data Sources

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Ranking Popular Distributed Computing
Packages for Data Science
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https://www.kdnuggets.com/2018/03/top-distributed-computing-packages-data-
science.html
Raw Data

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Simple Ranking
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Difficult to Understand Composition
Ratio
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Melt Data
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Ranking with Compositions
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Some Options to Melt Data
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Tableau (pivot): https://onlinehelp.tableau.com/current/pro/desktop/en-us/pivot.html
Tableau Excel Add-In (reshape): https://community.tableau.com/docs/DOC-
10394?lang=ja-jp
Alteryx (transpose): https://community.alteryx.com/t5/Data-Preparation-
Blending/Reshape-Excel-Data-Like-Tableau-Excel-Add-in/td-p/13152
Talend(tUnPivot): https://www.talendforge.org/forum/viewtopic.php?id=21185 or
http://gri.jp/report/data-science/10953
Pentaho(row normaliser): https://stackoverflow.com/questions/35804723/how-do-i-
transpose-a-table-in-pentaho-kettle-from-rows-to-columns-without-the-he
R(gather/melt): http://tidyr.tidyverse.org/
Python(melt): https://pandas.pydata.org/pandas-
docs/stable/generated/pandas.melt.html
Easy Morph(Unpivot):
http://help.easymorph.com/doku.php?id=transformations:unpivot
Further reading: “Just So” by Joe Mako
http://www.datarevelations.com/surveyjustso.html

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Dynamic Ranking
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https://public.tableau.com/profile/griinc6648#!/vizhome/superstore_Ranking/1
Parameter & Case Statement

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Body Parts Worried About
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https://public.tableau.com/profile/griinc6648#!/vizhome/_17653/sheet0

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How to find coordinates of a picture
 https://www.mobilefish.com/services/record_mouse_coordinates/record_
mouse_coordinates.php
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A Trick to Display Two Images
Independently
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Background Image -> Option
“Set Dimension”

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Train Users and Route Map
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https://public.tableau.com/profile/griinc6648#!/vizhome/_20252/sheet0

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Mapbox
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Set Mapbox Layer ID
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List of Station Coordinates
 http://www.ekidata.jp/
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Anime Ranking with Youtube
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https://public.tableau.com/profile/masabumi.furuhata4893#!/vizhome/2017_105/2017

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Anime Twitter Follower Co-
occurence Network (Javascript)
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Summary
Ranking provides good starting points to understand
data.
Tableau makes it possible to filter population of ranking
data interactively.
Data needs to be formatted appropriate ways.
Tableau is not so good at using networked data.
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