ZCubes/Error Bars 1

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Description

Error Bars help to indicate estimated error or uncertainty to give a general sense of how precise a measurement is. This is done through the use of markers drawn over the original graph and its data points. Typically, Error bars are used to display either the standard deviation, standard error, confidence intervals or the minimum and maximum values in a ranged dataset.

To visualize this information, Error Bars work by drawing cap-tipped lines that extend from the center of the plotted data point (or edge with Bar Charts). The length of an Error Bar helps reveal the uncertainty of a data point: a short Error Bar shows that values are concentrated, signaling that the plotted average value is more likely, while a long Error Bar would indicate that the values are more spread out and less reliable.

Also depending on the type of data, the length of each pair of Error Bars tends to be of equal length on both sides. However, if the data is skewed, then the lengths on each side would be unbalanced.

1) Error bars on bar chart

2) Error bars on line chart

ZCubes Error Bar Graph is fairly simple to understand and gives various editing options also.

Input Range:

Graphical Output:

See Also:

Error Bars 2

Parallel Categories

SPLOM

SPC Control

Sanky

Basic Histogram

Basic Histogram Stacked

Basic Histogram Cumulative

Basic Histogram Horizontal