README.md: Optional rows

README.md

@@ -80,50 +80,50 @@ Data type: string - enum(unknown_transport, tcp, udp, icmp). Only TCP and UDP in
 
 Name: service  
 Description: An identification of an application protocol being sent over the connection.  
-Data type: string  
+Data type: optional string  
 
 Name: duration  
 Description: How long the connection lasted.  
-Data type: float64 - time interval  
+Data type: optional float64 - time interval  
 
 Name: orig_bytes  
 Description: The number of payload bytes the originator sent.  
-Data type: int64 - uint64 in original  
+Data type: optional int64 - uint64 in original  
 
 Name: resp_bytes  
 Description:The number of payload bytes the responder sent.  
-Data type: int64 - uint64 in original  
+Data type: optional int64 - uint64 in original  
 
 Name: conn_state  
 Description: Value indicating connection state. (S0, S1, SF, REJ, S2, S3, RSTO, RSTR, RSTOS0, RSTRH, SH, SHR, OTH)  
-Data type: string  
+Data type: optional string  
 
 Name: missed_bytes  
 Description: Indicates the number of bytes missed in content gaps, which is representative of packet loss.  
-Data type: int64 - uint64 in original  
+Data type: optional int64 - uint64 in original. default = 0
 
 Name: history  
 Description: Records the state history of connections as a string of letters.   
-Data type: string  
+Data type: optional string  
 
 Name: orig_pkts  
 Description: Number of packets that the originator sent.  
-Data type: int64 - uint64 in original  
+Data type: optional int64 - uint64 in original  
 
 Name: orig_ip_bytes  
 Description: Number of IP level bytes that the originator sent.  
-Data type: int64 - uint64 in original  
+Data type: optional int64 - uint64 in original  
 
 Name: resp_pkts  
 Description: Number of packets that the responder sent.  
-Data type: int64 - uint64 in original  
+Data type: optional int64 - uint64 in original  
 
 Name: resp_ip_bytes  
 Description: Number of IP level bytes that the responder sent.  
-Data type: int64 - uint64 in original  
+Data type: optional int64 - uint64 in original  
 
 Name: label  
-Description: Specifies if data point is malicious or benign  
+Description: Specifies if data point is benign or some form of malicious. See the dataset creators paper for descriptions of attack types  
 Data type: string - enum(Malicious, Benign)
 
 NOTE: ts, uid, id.orig_h, id.resp_h have been removed as they are dataset specific. Models should not be trained with specific timestamps or IP addresses (id.orig_h) using this dataset, as that can lead to over fitting to dataset specific times and addresses.