Rank: 18704 based on downloads (last 30 days) and 0 files submitted

Greg Hancock

E-mail: gshanc@wm.edu
Company/University: College of William and Mary

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Comments and Ratings by Greg		1 - 1 of 1
Updated	File	Comments	Rating
18 Feb 2009	Log-Pearson Flood Flow Frequency using USGS 17B This function will calculate flood flow frequencies using published guidelines by the USGS. Author: Jeff Burkey	When I run the ex1 file, created as you specify from the examples.mat file, I get the same message as the previous post: >>b17(ex1, .590537, 'c:\temp\test.png', 'Demo Station',1) ??? In an assignment A(I) = B, the number of elements in B and I must be the same. Error in ==> b17>freqCurve at 444 K(i) = lagrange([g k], G, 4); Error in ==> b17 at 292 [K floodfreq Gzero] = freqCurve(Xmean, S, G, ktable); Any resolution to this issue? Thanks Greg

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File	Log-Pearson Flood Flow Frequency using USGS 17B

Files Matching Greg's Watch List					1 - 1 of 1
Updated		File	Tags	Downloads (last 30 days)	Comments	Rating
02 Dec 2009		Log-Pearson Flood Flow Frequency using USGS 17B This function will calculate flood flow frequencies using published guidelines by the USGS. Author: Jeff Burkey	statistics, probability, flood, frequency, logpearson, nonlinear	29	6

Comments and Ratings Matching Greg's Watch List			1-5 of 6
Date	File	Comment by	Comments	Rating
02 Dec 2009	Log-Pearson Flood Flow Frequency using USGS 17B This function will calculate flood flow frequencies using published guidelines by the USGS.	Jeff Burkey	The error people were getting was because of them downloading the wrong lagrange.m function. To make things simplier, I've updated the code to use INTERPT1. Lagrange.m is no longer needed. Thanks goes to Shan Zou for letting me know why he was getting the same error as previous people here.	Comment only
19 Feb 2009	Log-Pearson Flood Flow Frequency using USGS 17B This function will calculate flood flow frequencies using published guidelines by the USGS.	Jeff Burkey	I've updated the zip file to include an example mat file (ex1) and forgo the need for people to extract out a sample dataset from the example.mat file. I hope this helps, and expedite any need to fix a problem should it arise.	Comment only
18 Feb 2009	Log-Pearson Flood Flow Frequency using USGS 17B This function will calculate flood flow frequencies using published guidelines by the USGS.	Jeff Burkey	Greg, I'm not sure about the need of a resolution. I cannot recreate any errors. If you want, send me your ex1.mat file. It should be the same, but obviously something is different.	Comment only
18 Feb 2009	Log-Pearson Flood Flow Frequency using USGS 17B This function will calculate flood flow frequencies using published guidelines by the USGS.	Greg Hancock	When I run the ex1 file, created as you specify from the examples.mat file, I get the same message as the previous post: >>b17(ex1, .590537, 'c:\temp\test.png', 'Demo Station',1) ??? In an assignment A(I) = B, the number of elements in B and I must be the same. Error in ==> b17>freqCurve at 444 K(i) = lagrange([g k], G, 4); Error in ==> b17 at 292 [K floodfreq Gzero] = freqCurve(Xmean, S, G, ktable); Any resolution to this issue? Thanks Greg	Comment only
28 Jan 2009	Log-Pearson Flood Flow Frequency using USGS 17B This function will calculate flood flow frequencies using published guidelines by the USGS.	Jeff Burkey	K R, Hmm...not sure why you're getting unequal numbers. Assuming you open the example.mat file so it shows in your Workspace, then run these next for lines exactly: ex1 = examples(~isnan(examples(:,2)),1:2); ex2 = [examples(~isnan(examples(:,3)),1) examples(~isnan(examples(:,3)),3)]; ex3 = [examples(~isnan(examples(:,4)),1) examples(~isnan(examples(:,4)),4)]; ex4 = [examples(~isnan(examples(:,5)),1) examples(~isnan(examples(:,5)),5)]; Then run the function again pointing to either: ex1, ex2, ex3, or ex4. I hope this helps. Email me directly if you need more help. Regards, jeff.	Comment only

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