Index units changed

[EllenY]

Downloaded the latest version of VAST and the plots for Index changed to kg*km2/km2 and seemingly massive SEs. I'm doing something wrong but not sure what. Any suggestions are much appreciated! fit = fit_model( "settings"=settings, "Lat_i"=temp[,'Lat'], "Lon_i"=temp[,'Lon'], "observations_LL" = temp[,c('Lat','Lon')], "t_i"=temp[,'Year'], "b_i"=as_units(temp[,'pink_juv_kg'], "kg"), "a_i"=as_units(temp[,'area_swept_km2'],"km^2"), "getsd"=TRUE, "test_fit"=TRUE, "build_model" = TRUE, input_grid=user_region, getReportCovariance=TRUE )

[James-Thorson]

Ellen,

The units change was a compromise about about extra confusion if it automatically simplified units.

The SEs seems like an unrelated issue .... perhaps email me directly with results in a google drive and we could discuss those ... I'm guessing it arises from spatially unbalanced sampling

Jim

On Wed, Feb 22, 2023 at 6:38 PM Ellen Yasumiishi @.***> wrote:

Downloaded the latest version of VAST and the plots for Index changed to kg*km2/km2 and seemingly massive SEs. I'm doing something wrong but not sure what. Any suggestions are much appreciated! fit = fit_model( "settings"=settings, "Lat_i"=temp[,'Lat'], "Lon_i"=temp[,'Lon'], "observations_LL" = temp[,c('Lat','Lon')], "t_i"=temp[,'Year'], "b_i"=as_units(temp[,'pink_juv_kg'], "kg"), "a_i"=as_units(temp[,'area_swept_km2'],"km^2"), "getsd"=TRUE, "test_fit"=TRUE, "build_model" = TRUE, input_grid=user_region, getReportCovariance=TRUE )

[image: Index] https://user-images.githubusercontent.com/7538663/220809399-1cef96ee-a5c0-4214-98d6-ce8c8944c676.png

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[EllenY]

Hi Jim, I shared a Google drive folder with you on western Bering Sea juvenile salmon from Aleksei Somov. Ellen Dr. Ellen Yasumiishi (she/they) Research Fishery Biologist NOAA Alaska Fisheries Science Center 17109 Point Lena Loop Road, Juneau, AK 99801 tel. (323) 372-1748

On Thu, Feb 23, 2023 at 7:28 AM Jim Thorson @.***> wrote:

Ellen,

The units change was a compromise about about extra confusion if it automatically simplified units.

The SEs seems like an unrelated issue .... perhaps email me directly with results in a google drive and we could discuss those ... I'm guessing it arises from spatially unbalanced sampling

Jim

On Wed, Feb 22, 2023 at 6:38 PM Ellen Yasumiishi @.***> wrote:

Downloaded the latest version of VAST and the plots for Index changed to kg*km2/km2 and seemingly massive SEs. I'm doing something wrong but not sure what. Any suggestions are much appreciated! fit = fit_model( "settings"=settings, "Lat_i"=temp[,'Lat'], "Lon_i"=temp[,'Lon'], "observations_LL" = temp[,c('Lat','Lon')], "t_i"=temp[,'Year'], "b_i"=as_units(temp[,'pink_juv_kg'], "kg"), "a_i"=as_units(temp[,'area_swept_km2'],"km^2"), "getsd"=TRUE, "test_fit"=TRUE, "build_model" = TRUE, input_grid=user_region, getReportCovariance=TRUE )

[image: Index] < https://user-images.githubusercontent.com/7538663/220809399-1cef96ee-a5c0-4214-98d6-ce8c8944c676.png

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