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Event markers in Charts time series Graph Plot

I am plotting two time series line charts in the iOS version (4.1.0) of Charts (https://github.com/danielgindi/Charts). The two series each have their own Y-Axis setup. I would like to annotate the plot with event markers which might be either symbols drawn at the right places above the X-Axis, or as short vertically oriented lines, again at the corresponding point above X(time).
If I had only a single time series I could use a second series with a pseudo Y-axis for the markers. Is there a way, not in the available docs, to create Event Markers?

Power BI Stacked Column Chart - X Axis Labels vertical or 45 Degrees

I have a stacked column chart and a request to show the x axis labels vertically or at a 45 degree angle. Is this possible in Power BI as I can't see a way of achieving this.
If it is not possible is there a custom visual that would create the desired outcome?
Instead of a stacked column chart, consider using a stacked horizontal chart, where the label are aligned with the visuals by default and you don't have to turn your head to read them.

jaspersoft jfreechart range or y axis is derived incorrectly

I am using jasper reports with charting. The chart generally works with a wide variety of values.
In one case the values are either 1.011 or 1.01 for the range or Y axis. That is, the user tries to generate a chart and some of the values are 1.011 and some are 1.01.
The challenge is, when generating a chart with these values, the chart is scaled incorrectly on the range or Y axis. The labels range from 1.000 to 1.010 with increments of .001. As the top of the chart is 1.010, the values 1.011 fall off the top of the chart and don't appear on the chart.
Can anybody explain how the range or Y axis is derived beyond stating that the axis is derived from the data. And why, in this case, is the axis derived
incorrectly?
Is there a way to configure the chart to display the range or Y axis more correctly?
I edit a jrxml file. I do not use iReports or java api.
Thanks for all of your assistance and good ideas

Stock Chart and Line char in same plot

I have try to combined stock chart and line graph using excel. But it cannot do. I can draw Stock chart and line graph separately. Is anyone know a way to darw stock chart and line chart in same plot. X axis is same.
If you can do this using Matlab, it also okay.
Yes you can plot in MATLAB.
To have a candlestick plot and a line plot of closing prices in the same chart,
candle(HighPrices, LowPrices, ClosePrices, OpenPrices)
hold on
plot(ClosePrices)
HighPrices, LowPrices, ClosePrices, OpenPrices are all columns. The hold on command is to let you plot multiple graphs in the same figure.
candle is for making stock-charts and plot by default makes line charts.
Refer to the MATLAB documentation on the MathWorks website for more clarity.
Combining a stock chart and line graph using Excel without VBA is not possible:

How to ensure HighStocks chart x-axis spans the full chart width?

I am using HighStocks (http://api.highcharts.com/highstock) and have data being plotted on 2 different y axes with timestamps for the x axis, one series is an 'areaspline' chart and the other is a 'column' chart. When changing the zoom view, the chart becomes more or less narrow. This never happened when I was only using areasplines, even with two y-axes.
How can I ensure the x-axis fills the entire chart width?