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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]
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.
The Google Chart API allows a variety of graphs to be created. Livegap Charts creates line, bar, spider, polar-area and pie charts, and can export them as images without needing to download any tools. Veusz is a free scientific graphing tool that can produce 2D and 3D plots. Users can use it as a module in Python.
Id of the data column that contains values for the X axis. If type=year, xField is also "year" by default. String: required: Series: series: If each line is represented by a separate column of data (or if there is only one column), list of the data columns to show as lines.
Carretera Convencional , also known as CCRIGE, is the typeface used on Spanish road signs. [1]: 86 From 1962 until approximately 1991, a French typeface predating Caractères was used on road signs. [note 1] Additionally, an italic serif typeface was used to indicate certain destinations, such as railway stations and airports.
A bar chart or bar graph is a chart or graph that presents categorical data with rectangular bars with heights or lengths proportional to the values that they represent. The bars can be plotted vertically or horizontally. A vertical bar chart is sometimes called a column chart and has been identified as the prototype of charts. [1]
Thus the grid lines varied slightly for charts produced in different eras, due to the natural changes of the Earth's magnetic declination. [12] These lines are similar to the compass rose displayed on later maps and charts. "All portolan charts have wind roses, though not necessarily complete with the full thirty-two points; the compass rose ...
There are a number of Spanish units of measurement of length or area that are virtually obsolete due to metrication. They include the vara , the cordel , the league and the labor . The units of area used to express the area of land are still encountered in some transactions in land today.