Scale currency pairs properly
Scale currency pairs properly, e.g. EURNOK should not be scaled up to 220 on the "all" timescale, as that is an obvious mistake. The maximum of all time is around 12.
It is likely that this can be done automatically by scanning for irregular values, and then compare the found irregularities with other currency pairs to confirm the value is wrong (or right).
For example, if on the date where EURNOK was over 200, it would make sense to see what the EURSEK and NOKSEK were. If EURSEK was 10 and NOKSEK was 1, it is most likely wrong that EURNOK suddenly had one data point of over 200 when the surrounding values were 10.
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Isak Swahn
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