shell> cat > test.csv
a,b,c,d,e,f
1863001,134,10000,1.0009,1.0000,-0.002033899
1863209,137,0,1.0000,"2,773.9000",
julia> CSV.read("test.csv")
2×6 DataFrames.DataFrame
│ Row │ a │ b │ c │ d │ e │ f │
├─────┼─────────┼─────┼───────┼────────┼─────┼────────────┤
│ 1 │ 1863001 │ 134 │ 10000 │ 1.0009 │ 1.0 │ -0.0020339 │
│ 2 │ 1863209 │ 137 │ 0 │ 1.0 │ 2.0 │ 773.9 │
See https://discourse.julialang.org/t/csv-misread/10966
Repeated here: