The function calc_addVariable does not allow a new va

Is this intended or a bug? <code class="n

New variable in calc_addVariable cannot be named as exisitng variable about quitte HOT 2 CLOSED

robinhasse commented on September 2, 2024

New variable in calc_addVariable cannot be named as exisitng variable

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Comments (2)

orichters commented on September 2, 2024

Noticed this as well. Would be great if that was fixed, at least with the option only.new = TRUE. Maybe @0UmfHxcvx5J7JoaOhFSs5mncnisTJJ6q can have look, would be appreciated.

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0UmfHxcvx5J7JoaOhFSs5mncnisTJJ6q commented on September 2, 2024

Is this intended or a bug?

calc_addVariable() reimplements calcAddVariabe(). It didn't work there, so it doesn't work here.

I would actually like the function to overwrite the old variable by the newly calculated one. Unit conversions would be a classic application of this functionality.

It's not too complicated to do this.

> quitte_example_data |> 
+     filter(first(scenario) == scenario,
+            first(region) == region, 
+            first(period) == period,
+            variable %in% c('Consumption', 'Population')) |>
+     print() |> 
+     mutate(
+         value = value * ifelse('Consumption' == variable, 1e-3, 1),
+         unit = ifelse('Consumption' == variable, 'trillion US$2005/yr', 
+                       as.character(unit)))
# A tibble: 2 × 7
  model  scenario              region variable    unit               period value
  <fct>  <fct>                 <fct>  <fct>       <fct>               <int> <dbl>
1 REMIND r7552c_1p5C_Def-rem-5 AFR    Consumption billion US$2005/yr   2005  618.
2 REMIND r7552c_1p5C_Def-rem-5 AFR    Population  million              2005  710.
# A tibble: 2 × 7
  model  scenario              region variable    unit                period   value
  <fct>  <fct>                 <fct>  <fct>       <chr>                <int>   <dbl>
1 REMIND r7552c_1p5C_Def-rem-5 AFR    Consumption trillion US$2005/yr   2005   0.618
2 REMIND r7552c_1p5C_Def-rem-5 AFR    Population  million               2005 710.

Will put this on the list of thing I'll do when all of a sudden there is nothing else that needs doing.

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