Quiz: Concept of Data
Test yourself on data definition, types, licenses, cleaning, and enrichment.
We'll cover the following...
We'll cover the following...
Technical Quiz
1.
Which code correctly represents the x
channel as a string column?
A.
chart = alt.Chart(df ).mark_line( ).encode( x='x:Q' )
B.
chart = alt.Chart(df ).mark_line( ).encode( x='x:O' )
C.
chart = alt.Chart(df ).mark_line( ).encode( x='x:N' )
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