I presume the behavior below (no Connector values in the second table)
is because I have na values in my dataframe. How do I get them to list?
I found references to na.action and na.pass, but I could not figure out
how I could use them with xtabs to list the na as a value. I'm sure
there's a simple syntax I need, but it's not obvious to me.
> # Weighted Data
> XTTable <- xtabs(wt_annual ~ time_strata + connector, LAWAData)
> XTTable ## List
connector
time_strata OD Passenger Connector
Morning Peak - 0550 to 0959 5605.140 1234.933
Late morning to Mid-Day - 1000 to 1359 4778.503 2516.943
Evening Peak - 1400 to 1959 5145.730 3171.348
Night - 2000 to 0235 (last flight) 2929.085 2567.790
>
> XTTable <- xtabs(wt_annual ~ Mode_orig_only + connector, LAWAData)
> XTTable ## List
connector
Mode_orig_only OD
Passenger Connector
Walked/Biked
17.814338 0.000000
I flew in from another a place/connected
0.000000 0.000000
Amtrak
49.128982 0.000000
Bus - Chartered bus or van
525.978899 0.000000
Bus - Hotel Courtesy van
913.295370 0.000000
Bus - MTA (Metro) or other public transit bus
114.302764 0.000000
Bus - Scheduled airport bus or van (e.g. Airport bus or Disn
298.151438 0.000000
Bus - Union Station Flyaway
93.088049 0.000000
Bus - Van Nuys Flyaway
233.794168 0.000000
Green line/light rail
20.764539 0.000000
Limousine/town car
424.120506 0.000000
Metrolink
8.054528 0.000000
Motorcycle
6.010790 0.000000
On-call shuttle/van (e.g. Super Shuttle, Prime Time)
1832.748525 0.000000
Car/truck/van - Private
10191.284139 0.000000
Car/truck/van - Rental
2099.771923 0.000000
Taxi
1630.148576 0.000000
..Refused
0.000000 0.000000
>
Robert Farley
Metro
1 Gateway Plaza
Mail Stop 99-23-7
Los Angeles, CA 90012-2952
Voice: (213)922-2532
Fax: (213)922-2868
www.Metro.net
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