Description Usage Arguments Details Value Note See Also Examples
Load data from a CSV file into 'data.table'
1 2 | KH.loadCSV(csv_filename, key = NULL, index = NULL, colClasses = NULL,
...)
|
csv_filename |
string. Full URL to the CSV file. |
key |
atomic or vector of string. Name of fields used in the keys. NOT Used for now. |
index |
atomic or vecotr of string. Name of fields used in indexing data. NOT Used for now. |
colClasses |
list of named strings. Name and classes of fields used to read and load data. NOT Used for now. |
... |
Dots. An arbitrary number and variety of arguments, passing arguments on
to |
Use only data of data.table
type. Many functions of this package work with this type of data only.
data.table. An object of type data.table
All the functions in this package accept data.table only.
Other DataSets: KH.changeColName
,
KH.dropColsByName
,
KH.loadXlsx
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 | {
input_file <- system.file("extdata", "input_file.csv", package = "KHanSUtils")
KH.loadCSV(input_file)
# year month day dep_delay arr_delay carrier origin dest air_time distance hour
# 1: 2014 1 1 14 13 AA JFK LAX 359 2475 9
# 2: 2014 10 31 1 -30 UA LGA IAH 201 1416 14
# 3: 2014 1 1 -3 13 AA JFK LAX 363 2475 11
# 4: 2014 10 31 -5 -14 UA EWR IAH 189 1400 8
# 5: 2014 1 1 2 9 AA JFK LAX 351 2475 19
# 6: 2014 10 31 -8 16 MQ LGA RDU 83 431 11
# 7: 2014 1 1 -8 -26 AA LGA PBI 157 1035 7
# 8: 2014 10 31 -4 15 MQ LGA DTW 75 502 11
# 9: 2014 1 1 2 1 AA JFK LAX 350 2475 13
#10: 2014 10 31 -5 1 MQ LGA SDF 110 659 8
#11: 2014 1 1 4 0 AA EWR LAX 339 2454 18
}
|
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