### chart:

Bar graph
* are graphs in which data is compared in the form of rectangular bars
  - one way to compare variability of traits
* are used to compare facts
  - things between different groups or to track changes over time
  - display comparisons between nominal data
  - summarize data which has been or can be categorized
* compare two or more counted or measured things.
* make it easy to compare data by looking at the length or height of the bars or objects.
* show the likelihood of extremes of temperature and precipitation
  - value of a series of statistics graphically as the heights of bars

Climate chart
* provide an overview of the climate in a particular place
  * Used to create climate charts, with average monthly minimum and maximum temperatures. Climate charts provide an overview of the climate in a particular place

### chart | color chart:

Color wheel
* can help gardeners visualize various color harmonies.
* color chart
* help artists remember how to mix and think about pigments.
* show how visible colors are related.

Control chart
* are a way of detecting and monitoring the variation in a process
  - graphic representations of information collected from processes over time
* deal with averages, plotting points, and interpreting graphs.

Gantt chart
* consist of horizontal bars representing tasks plotted on a graph that depicts time.
* provide graphical representation of project tasks, progress and deadlines.

Growth chart
* can also make it easy for parents to follow their children's growth.
* help pediatricians figure out if children are growing and gaining weight well.

### chart:

Histogram
* are a useful way to summarize frequency data
  - bar charts
  - most convenient for large data sets in regularly spaced bins
  - one of the most commonly used and misused graphical display type
  - sensitive to changes in bin width and midpoints for small amounts of data
  - useful when comparing the same variable for two groups of observations
  - visual representations of how well a group of students did on a test or quiz
* bar graph
* can be difficult to judge, as their interpretations are sensitive to bin size.
* convey information about percentages by area.
* display numeric data in bars.
* have a slightly different data format than other graphs
  - nothing to do with pictures of female reproductive sterilization
* indicate the number of cases as a function of parameter value.
* present large amounts of information in a very compact form.
* provide both linear and square-root y axis scaling.
* show continuity of data i.e. continuous interval
  - distributions of some statistics, and can be plotted either with bars or lines
  - how many data points fall in a particular range of values
  - sharp peaks at elevations that are multiples of the source s contour interval

Marine chart
* give detailed information about depths, tides, navigation hazards and anchorages.
* work best with ccordinates in degrees of latitude and longitude.

Organizational chart
* explain the structures of that governance.
* give people some idea of who makes which decisions.
* imply that companies function vertically.
* provide a visual presentation of lines of authority.
* rule the workplace.

Pedigree chart
* are a graphical way to represent the ancestry of an individual
  - useful for showing each direct line grandparent
* depict the ancestry of a particular person or animal.