data-analytics
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Mar 8, 2022
Make WritableFile a derived class of io::OutputStream can remove some duplicate code and make IO system more clear.
to_dict() equivalent
I would like to convert a DataFrame to a JSON object the same way that Pandas does with to_dict().
toJSON() treats rows as elements in an array, and ignores the index labels. But to_dict() uses the index as keys.
Here is an example of what I have in mind:
function to_dict(df) {
const rows = df.toJSON();
const entries = df.index.map((e, i) => ({ [e]: rows[i] }));
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Describe the bug
When you change the order of your columns in your result table and re-run your query, the order of te columns in your table visualization type don't update.
To Reproduce
https://www.loom.com/share/07dea215c1604d84bfe989698ffbfc3b?from_recorder=1&focus_title=1
In the demo project: https://demo.lightdash.com/projects/3675b69e-8324-4110-bdca-059031aa8da3/saved/d4
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A data source with a cvs file and set the date type field to date format, an error is reported .
Datart Version
1.0.0.beta.0
Describe the bug
When I import a cvs document and set the date type field to date format, an error is reported in the data view query, and the error message is as follows,"For input string: "3,420".And When I set the date type field as string format,the query get OK.
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Hello, I would like to know if there is already any method developed to match the flight_ids obtained from So6 to ADS-B files. I’m trying to use the assign_id method for both files but it seems to be assigned differnent new flight-ids for SO6 and ADS-B same flights.
Thank you.
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Aug 3, 2020 - Jupyter Notebook
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The Mixed Time-Series chart type allows for configuring the title of the primary and the secondary y-axis.
However, while only the title of the primary axis is shown next to the axis, the title of the secondary one is placed at the upper end of the axis where it gets hidden by bar values and zoom controls.
How to reproduce the bug