Test variable B

This page is a knowledge crystal of subtype variable. The page identifier is Op_en5683
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Question

A simple test variable that fetches the data defined in "Test variable A", as well as a function defined in Test variable C?

Rationale

Formula

1. The code below is used for practising; under development.

+ Show code- Hide code library(OpasnetBaseUtils) library(xtable) cat("Initiation successful. \n") out <- op_baseGetData("opasnet_base", "Op_en5682") # Fetches data from Test variable A. out <- tidy(out , direction = "wide") # print(out) print(xtable(out), type = 'html', html.table.attributes = "class='sortable'") #mode(out) #length(out) #unclass(out) road_lower_bound <- out[out$Source == "Road" & out$Indicator == "Lden", "Lower bound (dB)"] road_upper_bound <- out[out$Source == "Road" & out$Indicator == "Lden", "Upper bound (dB)"] road_exposed <- out[out$Source == "Road" & out$Indicator == "Lden", "Result"] print(road_exposed) print(road_lower_bound) print(road_upper_bound) # d[d$Row %in% 2:4, ] # colnames(out)[colnames(out) == "obs.1"] Lden <- 60 HA <- ERF_road_Lden_HA(Lden) Lden HA

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Test variable B. Opasnet . [1]. Accessed 07 Dec 2025.