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  2. Line chart - Wikipedia

    en.wikipedia.org/wiki/Line_chart

    Line chart showing the population of the town of Pushkin, Saint Petersburg from 1800 to 2010, measured at various intervals. A line chart or line graph, also known as curve chart, [1] is a type of chart that displays information as a series of data points called 'markers' connected by straight line segments. [2]

  3. Line graph - Wikipedia

    en.wikipedia.org/wiki/Line_graph

    If G is a directed graph, its directed line graph or line digraph has one vertex for each edge of G. Two vertices representing directed edges from u to v and from w to x in G are connected by an edge from uv to wx in the line digraph when v = w. That is, each edge in the line digraph of G represents a length-two directed path in G.

  4. William Playfair - Wikipedia

    en.wikipedia.org/wiki/William_Playfair

    William Playfair (22 September 1759 – 11 February 1823) was a Scottish engineer and political economist.The founder of graphical methods of statistics, [1] Playfair invented several types of diagrams: in 1786 he introduced the line, area and bar chart of economic data, and in 1801 he published what were likely the first pie chart and circle graph, used to show part-whole relations. [2]

  5. Data and information visualization - Wikipedia

    en.wikipedia.org/wiki/Data_and_information...

    In a pie chart, the arc length of each slice (and consequently its central angle and area), is proportional to the quantity it represents. For example, as shown in the graph to the right, the proportion of English native speakers worldwide; Line chart: Line chart: x position; y position; symbol/glyph; color; size

  6. Line break chart - Wikipedia

    en.wikipedia.org/wiki/Line_break_chart

    A line break chart, also known as a three-line break chart, is a Japanese trading indicator and chart used to analyze the financial markets. [1] Invented in Japan, these charts had been used for over 150 years by traders there before being popularized by Steve Nison in the book Beyond Candlesticks.

  7. Milestones: A look back at AOL's 35 year history as an ...

    www.aol.com/news/2020-05-25-a-look-back-at-aols...

    America Online CEO Stephen M. Case, left, and Time Warner CEO Gerald M. Levin listen to senators' opening statements during a hearing before the Senate Judiciary Committee on the merger of the two ...

  8. Chart - Wikipedia

    en.wikipedia.org/wiki/Chart

    A chart (sometimes known as a graph) is a graphical representation for data visualization, in which "the data is represented by symbols, such as bars in a bar chart, lines in a line chart, or slices in a pie chart". [1] A chart can represent tabular numeric data, functions or some kinds of quality structure and provides different info.

  9. What’s the difference between secured and unsecured ... - AOL

    www.aol.com/finance/difference-between-secured...

    For example, if you apply for a secured credit card and put down a $200 deposit as collateral, you’ll typically qualify for a $200 line of credit as a result.