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Data conversion error from csv to DataPreview mode #238

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gaille34 opened this issue Nov 16, 2020 · 6 comments
Open

Data conversion error from csv to DataPreview mode #238

gaille34 opened this issue Nov 16, 2020 · 6 comments
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bug Something isn't working

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@gaille34
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Hi,
When I convert or visualize a .csv file with a value XX.0 in the first line of a column all values of the others lines of the same column loose the number after the point: -41.6 became -41.
Please see the 2 attached screenshot.
Best regards
DataPreview_file
csv_file

@RandomFractals RandomFractals added the bug Something isn't working label Nov 18, 2020
@IlyaOrson
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I hit a similar issue with this data.zip:

t,x1,x2,c1
0.0,1.0,3.0,1.453712e-11
0.01,0.99932516,3.0006747,1.4536232e-11
0.02,0.99864984,3.0013502,1.4535234e-11
0.03,0.99797404,3.002026,1.4534291e-11
...

imagen

Line plots are broken for the x1 and x2 columns, the other ones are parsed correctly.

@RandomFractals
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that's because your first line has ints and data type is detected based on the first data line.

also, not an error. I'd call it incorrect data precision issue at best :)

@gaille34
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Ok I see better now.
Could it be possible to configure/manage this "precision" manually ?
Today I have to be cautious on large datasets and I need to put 43.001

image

to have this result:

image

Best regards

@RandomFractals
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yeah, I need to see if I can include more data rows for detecting ints and decimals, and there is a separate ticket for custom data types that I plan to address at some point (#156)

@Meussdorffer

This comment was marked as duplicate.

@Meussdorffer

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4 participants