Contents
What is a bar chart most suitable for?
Bar graphs are used to compare things between different groups or to track changes over time. However, when trying to measure change over time, bar graphs are best when the changes are larger.
Do bar chart bars touch?
Bar charts have a similar appearance as histograms. However, bar charts are used for categorical or qualitative data while histograms are used for quantitative data. Also, in histograms, classes (or bars) are of equal width and touch each other, while in bar charts the bars do not touch each other.
What makes a bar chart effective?
Bar graphs are an extremely effective visual to use in presentations and reports. They are popular because they allow the reader to recognize patterns or trends far more easily than looking at a table of numerical data.
How to set on click callback for bar chart?
In the Global Chart Defaults you can set an onClick function for your chart. I added an onClick function to my chart configuration, and it did nothing… So, how the heck do I get the on-click-callback to work for my bar chart?!
Which is the index of the bar that was clicked?
On the first index of the array returned by chart.getElementAtEvent is a value _datasetIndex. This value shows the index of the dataset that was clicked on. The specific bar that was clicked on, I believe, is noted by the value _index. In my example in my question, _index would point to One in chart_config.data.labels.
When to use the bar in Power BI?
Use it when you want to show how much of the total the selected element forms. In the example – clicking on the bar in the top chart fades out the bottom chart. Only the part of the bar which is applicable to the clicked element remains highlighted:
What to show in drill down bar chart?
There is sufficent data here to determine what data to show in a drill-down view of the dataset clicked on. On the first index of the array returned by chart.getElementAtEvent is a value _datasetIndex. This value shows the index of the dataset that was clicked on. The specific bar that was clicked on, I believe, is noted by the value _index.