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I tried to get a graph for water area in Taiwan, but somehow it doesn't seem to work:

CountryData[Entity["Country", "Taiwan"], "WaterArea"]

And now if I want to get the graph:

DateListPlot[
 CountryData["Taiwan", {{"WaterArea"}, {2015, 2021}}]]

It doesn't work.

Does anybody know if it is even possible to get this data from Wolfram in a graph?

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    $\begingroup$ My first guess is that the information is currently not available through CountryData. Your syntax is correct, which you can confirm by replacing "WaterArea" with "Population". $\endgroup$
    – bobthechemist
    Commented Aug 29, 2021 at 16:33

1 Answer 1

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Figuring out what data is available through Wolfram's knowledge base functions is not trivial. Here's the method I used to determine what temporal data is available for Taiwan.

p = CountryData["Properties"];
l = Table[{i, 
    Quiet@Check[CountryData["Taiwan", {i, All}], 
      Missing["NotAvailable"]]}, {i, p}];
lt = Select[l, #[[2]] =!= Missing["NotAvailable"] &];
Length@lt (* 25 *)

Then with something like Quiet@Animate[Check[DateListPlot[lt[[x, 2]], PlotLabel -> lt[[x, 1]]], "OPPS"], {x, 1, Length@lt, 1}] we can quickly visualize what temporal data are available:

enter image description here

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  • $\begingroup$ Do you maybe know how I could have the graphs that show in your answer automatically be compared with the net profit of let's say Nvidia company or maybe stock price of Nvidia company? $\endgroup$
    – VLC
    Commented Aug 29, 2021 at 18:39
  • $\begingroup$ @vlc Assuming that the Nvidia data are available through FinancialData or something similar, the two datasets could be transposed to form your desired plot. You will need to do a bit of post-processing of the data as there is unlikely any built-in function that will do everything in one step. $\endgroup$
    – bobthechemist
    Commented Aug 29, 2021 at 19:25

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