Reading Response #4

The insights on knowledge generators are inspiring, especially the paragraphs discussing on the development in mathematic symbols. Having studied math for over 16 years (since 1st grade in elementary school), I have never thought about the nature or the insights of the logical symbols or diagrams that I used every…

Reading Response #3

It is interesting to think about the "grammar" of graphical languages. People have been using graphics and visual elements to convey messages and express meaning for thousands of years. While a lot of artists/cartographer/etc. have produced systems of reference to the grammar of graphical languages – how the graphics…

Reading Response #2

The author emphases the importance of using intuitive colors when creating visualization projects, which I have found more difficult when representing qualitative or categorical data using different colors. It seems like our human eyes start to perceive different colors when the number reaches a certain ceiling. I once saw a…

Reading Response #1

Data visualization relies substantively on authors' choices of axes arrangement, such as truncation and scaling, as well as the shapes, including figure types and relative sizes.  Apparently, if the obtained data has significant biases, fake information, or simply a large number of missing data, then the visualization would not be…

Line Charts

Idiom Line Charts What: Data One quantitative value, one ordered attribute How: Encode Points with connection marks between them Why Show trend Scale Hundreds of levels of the ordered attribute Line charts displays one value attribute and one key attribute in a  2-D space, while showing categorical attribute using colors…