Allow user to keep historical data on graph after unfreeze
After the graph has been unfrozen, the historical data gets erased from the graph and it starts from scratch again. While I understand that a user might not want to see how they've failed, i'm often proud of the progress i've made up to that point, and I want to keep the data on the graph (not on the "historical graph" page). It should be an option, at least.

You can now choose whether to keep your history on the main graph.
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fortibus commented
But my old history seems to be irrevocably gone :(
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Scott Simon commented
Yay! Thanks! This is sooo huuuge for me!
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Admindreeves (Cofounder, Beeminder) commented
Yes, done, though we want to add a feature to choose to *not* keep historical data before we consider this fully wrapped up.
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Glenn Willen commented
This is done now, right? I see the data on my unfrozen graphs. :-)
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Daniel K commented
Besides losing the visual on the graph, this also resets the tally of your cumulative progress/ETA, but keeps your final goal the same. This might not really matter depending on how you set up your goal...but for example I lost a goal for study hours, where I set the goal total hours & weekly rate. The total hours was an estimate of the total hours I'll need. After resetting, I had to subtract what I'd already done, since I was starting again from 0. Agreed we should have the choice to keep or archive historical data after unfreezing.