Final answer:
While Excel does not have direct support for wavelet transforms, you can obtain the frequency of a set of data by using a third-party tool or writing a custom VBA macro. After processing the data points, you plot the results by inserting a suitable chart and interpreting the frequency data.
Step-by-step explanation:
Wavelet Transform is a powerful mathematical tool used for time-frequency analysis. It can decompose a set of data points into different frequency components and then analyze each component with a resolution matched to its scale. To obtain the frequency of a set using Wavelet Transform in Excel, you would typically use a built-in function or an add-on that provides wavelet analysis capabilities. However, standard Excel does not have direct support for wavelet transforms, so this process might involve using a third-party tool or writing a custom VBA macro.
To use the wavelet transform method on a dataset to obtain the frequency in Excel:
- Collect or input a set of data points into a column in an Excel worksheet.
- If not using an add-on, implement or find a VBA script for wavelet transform.
- Apply the wavelet transform to your data points.
- Extract and analyze the frequency information from the output coefficients of the wavelet transform.
- To plot the output, highlight the frequency information.
- Select the 'Insert' tab and pick the appropriate chart type (e.g., Scatter plot).
- Format your chart by setting axis titles, scaling, and other chart elements.
- Review the chart to interpret the frequency data.
The example assumes that you have already processed the data points with a wavelet transform and you are ready to plot the results. Remember, if you have no tools for wavelet analysis in Excel, you might need to process the data externally or download specialized add-ons.