In this case it is just necessary to add a y2_axis parameter to the seriesĪnd, if required, add a title using set_y2_axis(). The secondary chart can also be placed on a secondary axis using the methods set_plotarea () # Insert the chart into the worksheet worksheet. Some of the properties of values axes such as min and max when usedĬhart. In Figure 3.18, the dates in column A are text dates from the 1800s. Using a Date-Based Axis with Dates Before 1900 Spanning Less Than 100 Years. The next two sections discuss possible workarounds. The documentation calls out the type of axis to which properties apply.įor a Bar chart the Category and Value axes are reversed:Ī Scatter chart (but not a Line chart) has 2 value axes:ĭate Category Axes are a special type of category axis that give them Formatting the chart to have a date-based axis does not work because Excel does not recognize dates before 1900 as valid dates. For instance, in cell A10 we have the text which we want to convert to the date 13 January 2004. Min and max properties can only be set for value axes (and Date Axes). rows 10 and below in our example) are not recognized as dates in Excel, because the day (treated as month) is greater than 12 and there is of course no 13th month. For example reverse can be set for either category or value axes while the For example, here are the properties for a category axis:Īs such, some of the XlsxWriter axis properties can be set for a valueĪxis, some can be set for a category axis and some properties can be set forīoth. The Y axis is the valueĪxis and points are displayed according to their value:Įxcel treats these two types of axis differently and exposes different Another reason why your Excel filter may not be working may be due to. Of the values is evenly spaced and sequential. The answer to this question can be found by placing YEAR(Date) on columns and. In the majority of Excel charts the X axis is the category axis and each Here are some ways you could use a formula or worksheet functions that work with dates to do things like, finding the impact to a project’s schedule if you add two weeks, or time needed to complete a task.
#Excel date axis not working series
When working with charts it is important to understand how Excelĭifferentiates between a chart axis that is used for series categories and aĬhart axis that is used for series values. The DATE function then combines these three values into a date that is 1 year, 7 months, and 15 days in the future 01/23/21.