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Error in logic for column name detection #2526

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st-pasha opened this issue Dec 14, 2017 · 1 comment · Fixed by #5257
Closed

Error in logic for column name detection #2526

st-pasha opened this issue Dec 14, 2017 · 1 comment · Fixed by #5257
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fread
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1.15.0

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@st-pasha
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st-pasha commented Dec 14, 2017 •
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> fread("A,100,200\n,300,400\n,500,600")
    A 100 200
1: NA 300 400
2: NA 500 600

A better guess here would be that all rows are data...
@st-pasha st-pasha added this to the v1.10.6 milestone Dec 14, 2017
@st-pasha st-pasha mentioned this issue Dec 14, 2017
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@mattdowle mattdowle mentioned this issue Jan 30, 2018
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@st-pasha
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The issue has reappeared in latest data.table:

> fread("A,100,200\n,300,400\n,500,600")
        A   100   200
   <lgcl> <int> <int>
1:     NA   300   400
2:     NA   500   600

@st-pasha st-pasha reopened this Apr 13, 2018
@mattdowle mattdowle modified the milestones: v1.11.0, v1.11.2 Apr 29, 2018
@mattdowle mattdowle modified the milestones: 1.12.0, 1.12.2 Jan 11, 2019
@ben-schwen ben-schwen mentioned this issue Nov 7, 2021
Merged
@mattdowle mattdowle added this to the 1.14.3 milestone Nov 30, 2021
@mattdowle mattdowle removed the bug label Nov 30, 2021
@jangorecki jangorecki modified the milestones: 1.14.9, 1.15.0 Oct 29, 2023
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fread improve containing header guess Rdatatable/data.table
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@mattdowle @jangorecki @st-pasha