Histogram
A histogram is a graphical representation of the distribution of numerical data.
Developers: To add the viewer from the console, use:
grok.shell.tv.addViewer('Histogram');
General:
| Right click | Context menu |
| Alt+F | Show in full screen |
| Bin: click | Select bin exclusively |
| Bin: ctrl+click | Invert bin selection |
| Bin: shift+click | Select bin |
| Shift+Mouse drag | Select bins |
Videos
Properties
| Property | Type | Description |
|---|---|---|
| Data | ||
| Show Filtered Out Rows | boolean | Whether the filtered out rows should be shown with the semi-transparent color See also Filtered Out Color |
| Filtering Enabled | boolean | Allows to filter table using the range slider on the bottom. |
| Filter | string | Formula that filters out rows to show. Examples: ${AGE} > 20 or ${WEIGHT / 2)} > 100, ${SEVERITY} == ''Medium'', ${RACE}.endsWith(''sian'') |
| Table | string | |
| Value | ||
| Value Column Name | string | A numerical column used to calculate the distribution of values. |
| Show X Axis | boolean | |
| Allow Column Selection | boolean | |
| Show Bin Selector | boolean | Show bin selector in the left top panel when the mouse is over the histogram |
| Bins | number | Number of bins on the histogram |
| Value Min | number | |
| Value Max | number | |
| Category | ||
| Split Column Name | string | A categorical column to split data on (each bar represents a category) |
| Normalize Values | boolean | Whether the values should be normalized when multiple histograms are shown. If true, you are comparing distributions; if false, you are comparing absolute values. Requires Split Column Name to be set. |
| Split Stack | boolean | If true, split are shown as stacked bins |
| Spline Tension | number | Spline tension in case multiple histograms are shown. Requires Split Column Name to be set. |
| Show Markers | boolean | Whether markers should be drown when multiple histograms are shown. Requires Split Column Name to be set. |
| Misc | ||
| Show Y Axis | boolean | |
| General | ||
| Zoom To Range | boolean | Whether the horizontal axis should be zoomed to the range of the visible bins. |
| Normalize To Filter | boolean | Whether the values should be normalized to the filter or globally. |
| Bin To Range | boolean | Bin the values that are in the filter range. |
| Spline | boolean | Whether the distribution should be rendered as bars or as a spline. When Split is defined, histogram always shows splines. |
| Fill Spline | boolean | Whether the area below the spline should be filled with the corresponding color. Only applicable when spline is true and split is empty |
| Show Column Selector | boolean | |
| Show Split Selector | boolean | |
| Show Range Slider | boolean | |
| Show Range Inputs | boolean | Visibility of the free-text inputs for the filter range |
| Bin Width Ratio | number | How much space does bin occupy (1 = no margins, 0 = no bin) |
| Show Histogram | boolean | |
| Show Context Menu | boolean | Shows the context menu. |
| Margin Left | number | |
| Margin Top | number | |
| Margin Right | number | |
| Margin Bottom | number | |
| Filter Margin Top | number | |
| Filter Margin Bottom | number | |
| Legend Visibility | visibilitymode | |
| Legend Position | flexautoposition | |
| Row Source | string | Determines the rows shown on the plot. |
| Allow Dynamic Menus | boolean | |
| Title | string | |
| Description | string | Viewer description that gets shown at the Descriptor Position. Markup is supported. |
| Help | string | Help to be shown when user clicks on the ''?'' icon on top. Could either be in markdown, or a URL (starting with ''/'' or ''http''). |
| Description Position | flexposition | |
| Description Visibility Mode | visibilitymode | |
| Color | ||
| Color Column Name | string | Numerical column to be used for color-coding. The values in the bin get aggregated using the Color Aggr Type property. |
| Color Aggr Type | string | |
| Invert Color Scheme | boolean | |
| Linear Color Scheme | list | |
| Selection | ||
| Show Current Row | boolean | Indicates current row as a dot on the horizontal axis |
| Show Mouse Over Row | boolean | Indicates current row as a dot on the horizontal axis |
| Show Mouse Over Row Group | boolean | Show the distribution of the values that the mouse is currently over in another viewer. |
| Style | ||
| Auto Layout | boolean | style |
| X Axis Height | number | |
| Y Axis Width | number | |
| Filter Height | number | |
| Row Indicator Size | number | |
| Back Color | number | |
| Axis Font | string | |
| Filtered Bins Color | number | |
| Selected Bins Color | number | |
| Filtered Out Color | number | |
| Controls Font | string | Viewer controls elements font. |
| Description | ||
| Show Title | boolean |
See also: