Teaching:TUW - UE InfoVis WS 2008/09 - Gruppe 06 - Aufgabe 2: Difference between revisions

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== Aufgabenstellung ==
[http://ieg.ifs.tuwien.ac.at/~gschwand/teaching/infovis_ue_ws08/infovis_ue_aufgabe2.html Beschreibung der Aufgabe 2]


=== Zu beurteilende Tabelle ===
[[Image:ImageRRH.JPG]]
== Critical Review ==
We reviewed the given table based on the table design guidelines by Few [2004] and found the following problems:
=== Delineating Columns and Rows ===
A grid is used to delineating columns and rows, which should be avoided.
=== Arranging Data ===
The table has multiple columns called "Rank", which contain the same data.
We don't know if this is by coincidence, or redundancy.
The columns have different widths which groups (and separates) the data. This seems not to be on purpose.
The data rows are not sorted by any column.
=== Formatting Text ===
All columns containing numbers are centered.
Some numbers (e.g., 4.3) only have one digit right of the decimal point. Consequently these numbers are narrower than the other numbers in the column and are not well aligned.
Some of the columns (Rank) have a smaller font size.
We compared the asterisk symbols and found out that three different font families are used.
The table contains footnotes.
== Improved Table ==
[[Image:ImageRRH-1.png]]
== Improvements ==
=== Delineating Columns and Rows ===
We removed the grid and slightly increased line height.
Rulers are used to seperate the header from the table-body.
Additional whitespace was added between the columns "All Ss" and "Hard News" to enforce the bond between "Hard News" and "Soft News". The same was done for "HN-SN", "t" and "α" resp.
=== Arranging Data ===
We created three column groups for "All Ss", "Hard News", and "Soft News" to structure the data.
Each of these groups contain a column for the value and a column for the rank.
As said above, it is unclear whether the rank is redundant (and should kept only once) or describes three different rankings. We assumed the latter, thus kept all columns.
Instead of "M1" and "M2" we used the variables "HN" and "SN".
We reordered the data rows by rank. Since the three rankings could be as well different it would be also possible to order by the first column.
To avoid footnotes we created an additional column.
=== Formatting Text ===
We used only one font family and one font size
We applied the same number format and precision for all values to improve alignment.
Columns containing numbers are aligned to the right.
The resulting table can be browsed easily and looks good.
Even if it's  size would be downscaled by ~15%, the content would be comprehensible.
== Links ==
* [[Teaching:TUW_-_UE_InfoVis_WS_2008/09|InfoVis:Wiki UE Homepage]]
* [http://ieg.ifs.tuwien.ac.at/~gschwand/teaching/infovis_ue_ws08/ UE InfoVis]
* [[Teaching:TUW - UE InfoVis WS 2008/09 - Gruppe 06|Gruppe 06]]
== References ==
* [Few, 2004] Stephen Few. Show Me the Numbers - Designing Tables and Graphs to Enlighten. Analytics Press, Oakland, CA, 2004.

Latest revision as of 10:28, 3 November 2009