search for: icao

Displaying 5 results from an estimated 5 matches for "icao".

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2010 Feb 01
3
merging data frames gives all NAs
...p gives me a data frame with all NAs. In addition, ar4rw always gets a row with NAs at the start, which I do not understand. There are no rows with all NAs in the arrgnd data frame. > ar4rw[1:2,] # first time through for 31R DateTime Date month hour minute quarter weekday IATA ICAO Flight NA <NA> <NA> NA NA NA NA NA <NA> <NA> <NA> 529 1/1/09 21:46 2009-01-01 1 21 46 87 5 TA TAI TAI570 AircraftType Tail Arrived STA Runway FromTo Delay NA <NA> <NA> <NA> <NA> <NA&g...
2006 Feb 02
2
uninitialized constant
Ok, I searched but couldn''t find anything and I even tried the RoR IRC channel with no help. I get this error: uninitialized constant Airport I used this code which I got from the RoR site. helper :sorting def list @sorter = SortingHelper::Sorter.new self, %w(icao host_id name), @params[''sort''], @params[''order''], ''icao'', ''ASC'' @pages = Paginator.new self, Airport.count, 10, @params[''page''] @airports = Airport.find_all nil, @sorter.to_sql, @pages.current.to_...
2010 Mar 20
3
How to select a row from one dataframe that is "close" to a row in another dataframe
...[11] "DepartureGate" "Flight" [13] "OnDate" "MinutesIntoDay" [15] "OnHour" "pt" > names(runway) [1] "OnDateTime" "IATA" "ICAO" "Flight" [5] "AircraftType" "Tail" "Arrived" "STA" [9] "Runway" "From.To" "Delay" "OnDate" [13] "MinutesIntoDay" &...
2010 Jan 16
3
Comparing dates in dataframes
...the other (gw) has the dates and quarter hour of the day when the weather is good. arr has a Date and quarter hour column. >names(arr) [1] "Date" "weekday" "hour" "month" "minute" [6] "quarter" "ICAO" "Flight" "AircraftType" "Tail" [11] "Arrived" "STA" "Runway" "FromTo" "Delay" [16] "Operator" "gw" I added the gw column to arr and in...
2009 Feb 26
5
Download daily weather data
I'm writing a program that will tell me whether I should wear a coat, so I'd like to be able to download daily weather forecasts and daily reports of recent past weather conditions. The NOAA has very promising tabular forecasts (http://forecast.weather.gov/MapClick.php?CityName=Ithaca&state=NY&site=BGM&textField1=42.4422&textField2=-76.5002&e=0&FcstType=digital),