Some confusion in using validation sets

[landonmax0]

The 3 Json file just mentioned training and testing sets, but nothing about validation sets. Is validation sets was used in the project? or is it necessry?

I saw in other issues that you mentioned the validation set, but how should we configure and use the validation set specifically? Do I need to rewrite the JSON file?

(Training FLARE2021)

[aixiaobaikkk]

I have the same question...

[BennettLandman]

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