Data
road_safety

road_safety

active ARFF Open Government License Visibility: public Uploaded 26-07-2021 by Guillaume Lemaitre
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  • Computer Systems Machine Learning
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Data reported to the police about the circumstances of personal injury road accidents in Great Britain from 1979, and the maker and model information of vehicles involved in the respective accident

66 features

Sex_of_Driver (target)numeric3 unique values
0 missing
Accident_Index (row identifier)string140037 unique values
0 missing
Location_Easting_OSGRnumeric89871 unique values
73 missing
Location_Northing_OSGRnumeric93311 unique values
73 missing
Longitudenumeric133297 unique values
73 missing
Latitudenumeric131960 unique values
73 missing
Police_Forcenumeric51 unique values
0 missing
Accident_Severitynumeric3 unique values
0 missing
Number_of_Vehiclesnumeric16 unique values
0 missing
Number_of_Casualtiesnumeric22 unique values
0 missing
Datestring365 unique values
0 missing
Day_of_Weeknumeric7 unique values
0 missing
Timestring1439 unique values
44 missing
Local_Authority_(District)numeric380 unique values
0 missing
Local_Authority_(Highway)string207 unique values
0 missing
1st_Road_Classnumeric6 unique values
0 missing
1st_Road_Numbernumeric4340 unique values
0 missing
Road_Typenumeric6 unique values
0 missing
Speed_limitnumeric7 unique values
0 missing
Junction_Detailnumeric9 unique values
2 missing
Junction_Controlnumeric4 unique values
149831 missing
2nd_Road_Classnumeric6 unique values
151306 missing
2nd_Road_Numbernumeric3794 unique values
1932 missing
Pedestrian_Crossing-Human_Controlnumeric3 unique values
319 missing
Pedestrian_Crossing-Physical_Facilitiesnumeric6 unique values
302 missing
Light_Conditionsnumeric5 unique values
0 missing
Weather_Conditionsnumeric9 unique values
0 missing
Road_Surface_Conditionsnumeric5 unique values
612 missing
Special_Conditions_at_Sitenumeric8 unique values
240 missing
Carriageway_Hazardsnumeric6 unique values
213 missing
Urban_or_Rural_Areanumeric2 unique values
0 missing
Did_Police_Officer_Attend_Scene_of_Accidentnumeric3 unique values
24 missing
LSOA_of_Accident_Locationstring28736 unique values
21235 missing
Vehicle_Reference_df_resstring28 unique values
0 missing
Casualty_Referencenumeric38 unique values
0 missing
Casualty_Classnumeric3 unique values
0 missing
Sex_of_Casualtynumeric2 unique values
134 missing
Age_of_Casualtynumeric101 unique values
5569 missing
Age_Band_of_Casualtynumeric11 unique values
5569 missing
Casualty_Severitynumeric3 unique values
0 missing
Pedestrian_Locationnumeric11 unique values
2 missing
Pedestrian_Movementnumeric10 unique values
2 missing
Car_Passengernumeric3 unique values
762 missing
Bus_or_Coach_Passengernumeric5 unique values
46 missing
Pedestrian_Road_Maintenance_Workernumeric3 unique values
166 missing
Casualty_Typenumeric21 unique values
0 missing
Casualty_Home_Area_Typenumeric3 unique values
39786 missing
Casualty_IMD_Decilenumeric10 unique values
69567 missing
Vehicle_Reference_dfstring37 unique values
0 missing
Vehicle_Typenumeric20 unique values
62 missing
Towing_and_Articulationnumeric6 unique values
379 missing
Vehicle_Manoeuvrenumeric18 unique values
184 missing
Vehicle_Location-Restricted_Lanenumeric10 unique values
176 missing
Junction_Locationnumeric9 unique values
84 missing
Skidding_and_Overturningnumeric6 unique values
176 missing
Hit_Object_in_Carriagewaynumeric12 unique values
163 missing
Vehicle_Leaving_Carriagewaynumeric9 unique values
159 missing
Hit_Object_off_Carriagewaynumeric12 unique values
1 missing
1st_Point_of_Impactnumeric5 unique values
206 missing
Was_Vehicle_Left_Hand_Drive?numeric2 unique values
1483 missing
Journey_Purpose_of_Drivernumeric6 unique values
21 missing
Age_of_Drivernumeric95 unique values
35868 missing
Age_Band_of_Drivernumeric11 unique values
35868 missing
Engine_Capacity_(CC)numeric1140 unique values
93341 missing
Propulsion_Codenumeric11 unique values
92631 missing
Age_of_Vehiclenumeric72 unique values
107099 missing
Driver_Home_Area_Typenumeric3 unique values
60699 missing
Show all 66 features

19 properties

NumberOfInstances
363206
Number of instances (rows) of the dataset.
NumberOfFeatures
66
Number of attributes (columns) of the dataset.
NumberOfClasses
0
Number of distinct values of the target attribute (if it is nominal).
NumberOfMissingValues
876555
Number of missing values in the dataset.
NumberOfInstancesWithMissingValues
251797
Number of instances with at least one value missing.
NumberOfNumericFeatures
60
Number of numeric attributes.
NumberOfSymbolicFeatures
0
Number of nominal attributes.
Dimensionality
0
Number of attributes divided by the number of instances.
PercentageOfNumericFeatures
90.91
Percentage of numeric attributes.
MajorityClassPercentage
Percentage of instances belonging to the most frequent class.
PercentageOfSymbolicFeatures
0
Percentage of nominal attributes.
MajorityClassSize
Number of instances belonging to the most frequent class.
MinorityClassPercentage
Percentage of instances belonging to the least frequent class.
MinorityClassSize
Number of instances belonging to the least frequent class.
NumberOfBinaryFeatures
0
Number of binary attributes.
PercentageOfBinaryFeatures
0
Percentage of binary attributes.
PercentageOfInstancesWithMissingValues
69.33
Percentage of instances having missing values.
AutoCorrelation
0.48
Average class difference between consecutive instances.
PercentageOfMissingValues
3.66
Percentage of missing values.
Show all 19 properties

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