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Please note that this product does NOT install on your computer. It is a template that works with your Excel Program to do what is described above. You may delete it at any time. Please see our Software Licensing Agreement in the Footer below. Your wind calculator is perfect. Thank you for putting out a great product and the additions that you made. Database queries can be applied for retrieving this data and using it as per your requirement. You can apply formulas on multiple columns or cells to generate desired results.
What-If analysis and forecast sheets can be helpful to determine the impacts of expected decisions. These options are helpful in taking favorable business decisions.
The software is mainly concerned with the data and is very helpful in easily understandable representation of data. The entered data can be used for creating different kinds of graphs, charts and histograms that can be used in presentations for validating your proposed ideas. These representations are dynamic and automatically update with data editing.
Once you are done with creating documents, you can save them, export them or directly take printout. Programmers can make use of macros in Visual Basic language for manipulation of spreadsheets and data objects. Microsoft Excel allows you to customize the style of tables, manage alignment, insert equations or PivotChart, access content on internet, add comments, select any layout for viewing documents and use passwords for maximum protection level.
You can copy format of Excel files as well as other Office applications for applying on your current file to save time. We are always happy to answer any questions either via the contact us page. Support while using wind rose software With the appropriate wind speed data, we guarantee that all our customers will be able to produce a wind rose diagram with relative ease. And many more! Choose numbers of spokes - Any number between 4 and 16 spokes in total - Labels can be specified for each spoke - These are automatically published on final rose diagram 2.
Fit the Data Estimates for Location and Scale The estimates of the location and scale parameters can be obtained by fitting a line to the points on the plot. The slope is an estimate of the scale parameter and the intercept is an estimate of the location parameter.
In Excel, this fitting can be performed by right clicking on the newly created chart and selecting "Add Trendline. Then click "OK. It also shows the R 2 value for the fit. R 2 is the square of the correlation coeffiicent of the points being fit and provides an indication of how well the data are fit by this linear fit. A value of 0 indicates no correlation and a value of 1 indicates perfect positive correlation. In the example given here, the intercept i.
The R 2 value is 0. That is, from R we compute a desired quantile. We then apply the percent point function to this quantile to determine the maximum wind speed that corresponds to the desired return interval.
So for this particular example, the year wind is found to be approximately 74 mph. This computation can be performed for any desired return period. The following table shows the computations performed by Excel. Note that in this publication the values for return periods are different from those that have been calculated in these examples. Means and standard deviations have also been calculated for the rounded off values and are located in the Excel spreadsheet. Links to Excel Spreadsheets The following links are to Excel spreadsheets derived from NBS that contain the data and extreme value type I Gumbel estimation for stations across the United States.
In hurricane zones, the estimation methods may have to be different from those used for non-hurricane regions see Simiu and Scanlan, Chapter 3.
Some of the locations shown have the indication "Caution - Hurricane Zone" on the graph. All of the wind speeds used in this analysis have been corrected to represent fastest-mile wind speed at 10 meters above ground level.
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