Option for Timeseries Null days to be shown #18379
Replies: 9 comments
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Any updates on these feature request? It is really annoying, especially for datasets with low-frequency data. |
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@LAlbertalli The UX is a bit rough because if you change the time grain you also have to change the resample rule. What would be excellent is a way of tying a resample rule to a time grain so they both change together - perhaps as an inbuilt function within certain visualisations. |
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There could be some auto-resampling based on Grain, but it would require tighter semantics around the way Grains are defined. Currently I think it'd be pretty trivial actually. If that pandas |
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@alanmcruickshank Unless I am missing something the pandas resampling methods either backfill or forward-fill. There is no fill method (that I can find) that zero fills - which is what we really want. |
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I think |
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Notice: this issue has been closed because it has been inactive for 383 days. Feel free to comment and request for this issue to be reopened. |
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It would be ideal to have some way to show gaps in data, since that can often indicate some sort of system failure (broken ingestion, etc). The current approach of effectively interpolating can mask problems. Setting the How dropdown of of the pandas.resample section to sum, the Rule dropdown to whatever your interval is and leaving the Fill Method dropdown blank, seems to do what I want in this particular case. @mistercrunch @benvogan |
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Any updates on these feature request? |
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This is currently supported in the new timeseries charts (e.g. "Time-series Line Chart"). Just expand advanced analytics, select the expected frequency and fill method in the "Resample" section and you'll get filled in values: @zhaoyongjie it would be cool to add an "autodetect" or "Time grain" option to default to infer the frequency based on the grain. Thoughts? |
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New Feature Request:
For timeseries plots, at the moment if there is a day with no data, the day is skipped and the day isn't shown at all. I'd love an option where these days could be shown even though they're blank, so that there would be an intentional gap.
Something similar to the "Show Missing Values" option available in packages like Tableau: https://onlinehelp.tableau.com/current/pro/online/mac/en-us/missing_values.html
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