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Update app.R
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gstillings-EPA committed Oct 25, 2023
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4 changes: 2 additions & 2 deletions app.R
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Expand Up @@ -340,8 +340,8 @@ ui <- div(fixedPage(theme=bs_theme(version=3, bootswatch="yeti"),
The user can choose the number of condition classes used, modify the probability of being selected, and refresh the simulation to view different condition scenarios. The user can adjust the sample size and refresh the design to determine an appropriate margin of error for the survey."),
tags$li("Choose a Spatial Balance Metric. All spatial balance metrics provided have a lower bound of zero, which indicates perfect spatial balance. As the metric value increases, the spatial balance decreases. This is useful in comparing survey designs."),
tags$li("Click the 'Download Survey Design' button to download a zip file which contains a POINT shapefile of your designs survey sample sites, the users sample frame, and README which includes information about your design."),
tags$li("To download the Probability Survey Site Results table, use the buttons to choose how you would like it to be saved. Please note the Lat/Longs are transformed to WGS84 coordinate system. The xcoord and ycoord are Conus Albers (a projected CRS) coordinates which is an area-preserving projection. These coordinates can be used for the local neighborhood variance estimator when calculating population estimates."),
tags$li("To download the Design Setup Attributes table, use the buttons to choose how you would like it to be saved. We strongly encourage users to download and retain this information for future reference. The table includes the spurvey function call for your design, the random seed used, and the spsurvey and R versions."),
tags$li("A table of the users Probability Survey Site Results is presented for review. Please note the Lat/Longs are transformed to WGS84 coordinate system. The xcoord and ycoord are Conus Albers (a projected CRS) coordinates which is an area-preserving projection. These coordinates can be used for the local neighborhood variance estimator when calculating population estimates."),

br(),
h4(strong("Survey Map")),
tags$li("The Survey Map tab provides an interactive and static map of the sample frame and the survey sample sites.")
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