From this dataset, which are the covariates? and which are the continuous and which are the categorical? I'm trying to make a model using linear regression

Id 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 2... Open. Date "07/17/1999", "02/14/2008", "03/09/2013", "02/02/2012", "05/09/2009", "02/12/2010", "10/11/.. City chr> "istanbul", "Ankara", "Diyarbakir", "Tokat", "Gaziantep", "Ankara", "Istanbul", "Istanbul",. City . Group "Big Cities", "Big Cities", "Other", "Other", "Other", "Big Cities", "Big Cities", "Big Cit... Type " IL" , " FC" , "IL" , "IL" , "IL" , " FC" , " IL" , "IL " , "IL " , "IL" , " FC" , " IL" , " IL" , " FC" , "FC " , ' P1 4, 4, 2, 6, 3, 6, 2, 4, 1, 6, 9, 2, 2, 4, 2, 12, 3, 2, 4, 2, 3, 5, 9, 2, 5, 4, 3, 4, 4, 1, .. P2 5.0, 5.0, 4.0, 4.5, 4.0, 6.0, 3.0, 5.0, 1.0, 4.5, 6.0, 4.0, 2.0, 5.0, 2.0, 7.5, 5.0, 4.0, 5.. P3 4.0, 4.0, 2.0, 6.0, 3.0, 4.5, 4.0, 4.0, 4.0, 6.0, 6.0, 4.0, 4.0, 4.0, 4.0, 6.0, 4.0, 4.0, 4. P4 4.0, 4.0, 5.0, 6.0, 4.0, 7.5, 4.0, 5.0, 4.0, 7.5, 6.0, 4.0, 4.0, 4.0, 4.0, 6.0, 4.0, 5.0, 3. P5 2, 1, 2, 4, 2, 8, 1, 2, 1, 6, 4, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 2, 4, 2, 2, 2, 2, 1, 1, 2, 2... P6 2, 2, 3, 4, 2, 10, 5, 3, 2, 4, 4, 5, 1, 3, 2, 10, 5, 3, 2, 2, 2, 2, 6, 2, 2, 2, 3, 2, 3, 1,... P7 5, 5, 5, 10, 5, 10, 5, 5, 1, 10, 10, 5, 5, 5, 5, 10, 5, 5, 5, 5, 5, 5, 10, 5, 5, 5, 5, 5, 5... P8 4, 5, 5, 8, 5, 8, 5, 4, 5, 10, 8, 5, 4, 5, 5, 10, 4, 4, 5, 5, 4, 4, 10, 3, 5, 5, 3, 4, 5, 4. P9 5, 5, 5, 10, 5, 8, 5, 4, 5, 10, 10, 5, 5, 5, 5, 10, 5, 5, 5, 4, 5, 4, 10, 4, 5, 5, 5, 4, 4,. P10 5, 5, 5, 10, 5, 8, 5, 4, 5, 10, 10, 5, 5, 5, 5, 10, 4, 5, 5, 4, 5, 4, 10, 4, 4, 5, 4, 5, 4,. P11 3, 1, 2, 8, 2, 10, 2, 4, 1, 2, 8, 2, 3, 2, 2, 4, 3, 3, 2, 1, 3, 4, 2, 5, 2, 2, 5, , 2, 5, ... P12 5, 5, 5, 10, 5, 8, 5, 3, 5, 10, 10, 5, 5, 5, 5, 10, 5, 5, 5, 3, 5, 3, 10, 4, 5, 5, 5, 4, , 4 , .. P13 5. 0, 5.0, 5.0, 7.5, 5.0, 6.0, 5.0, 4.0, 5.0, 7.5, 7.5, 5.0, 5.0, 5.0, 5.0, 7.5, 4.0, 5.0, 5.. P14 1, 0, 0, 6, 2, 0, 3, 0, 1, 0, 0, 2, 0, 0, 0, 3, 0, 0, 3, 0, 3, 0, 0, 0, 4, 0, 3, 0, 3, 0, 0. P15 2, 0, 0, 4, 1, 0, 4, 0, 1, 0, 0, 2, 0, 0, 0, 10, 0, 0, 2, 0, 5, 0, 0, 0, 4, 0 , 4, 0 , 4, 0 , . P16 2 , 0 , 0 , 9 , 2 , 0 , 4 , 0 , 2 , 0 , 0 , 5 , 0 , 0 , 0 , 15 , 0 , 0 , 3 , 0 , 5 , 0 , 0 , 0 , 4 , 0 , 4 , 0 , 4 , 0 , . . P17 2, 0, 0, 3, 1, 0, 3, 0, 1, 0, 0, 2, 0, 0, 0, 3, 0, 0, 2, 0, 4, 0, 0, 0, 5, 0, 1, 0, 2, 0, 0. P18 4, 0, 0, 12, 4, 0, 4, 0, 4, 0, 0, 4, 0, 0, 0, 12, 0, 0, 3, 0, 4, 0, 4, 0, 0, 0, 4, 0, 4, 0, 4, 0,.. P19 5, 3, 1, 20, 2, 5, 2, 3, 1, 25, 25, 2, 3, 3, 3, 10, 1, 1, 4, 2, 5, 4, 15, 2, 5, 3, 5, 5, 5,.. P20 4, 2, 1, 12, 2, 6, 4, 5, 1, 3, 15, 5, 4 4, , 9, 4, 1, 5, 1, 5, 5, 12, 2, 5, 1, 5, 5, 5, 1.. P21 1, 1, 1, 6, 1, 3, 1, 2, 1, 3, 15, 1, 1 , 1, 1, 1, 1, 1, 1, 3, 1, 2, 2, 2, 5, 2, 1, ... P22 3, 3, 1, 1, 2, 1, 2, 4, 1, 1, 3, 1, 2, 2, 3, 2, 1, 1, 4, 1, 1, 3, 3, 1, 2, 1, 3 , 5, , 1, 1.. P23 3, 2, 1, 10, 1, 5, 1, 2, 1, 10, 20, 3, 2, 1, 2, 5, 1, 1, 2, 1, 5, 1, 10, 1, 3, 1, 2, 5, 3, ... P24 1, 0, 0, 2, 2, 0, 5, 0, 4, 0, 0, 5, 0, 0, 0, 8, 0, 0, 5, 0, 2, 0, 0, 0, 2, 0, 2, 0, 5, 0, 0. P25 1, 0, 0, 2, 3, 0, 4, 0, 4, 0, 0, 2, 0, 0, 0, 8, 0, 0, 3, 0, 4, 0, 0, 0, 2 , 0, 2 , 0 , 3 , 0 , 0 ... P26 1. 0 , 0. 0 , 0. 0 , 2. 5 , 3. 0 , 0. 0 , 4. 0, 0. 0 , 4. 0, 0. 0, 0. 0, 3. 0, 0.0, 0.0, 0.0, 10.0, 0.0, 0.0 , .. P27 4 . 0 , 0. 0 , 0. 0 , 2. 5 , 5. 0 , 0. 0 , 5. 0 , 0.0 , 2. 0 , 0. 0 , 0.0 , 5.0 , 0.0 , 0.0 , 0.0, 2.5, 0.0, 0.0, 3... P28 2.0, 3.0, 1.0, 2.5, 1.0, 7.5, 1.0, 3.0, 2.0, 5.0, 10.0, 3.0, 1.0, 3.0, 2.0, 7.5, 2.0, 1.0, . P29 3. 0, 3. 0, 3.0, 7.5, 3.0, 5.0, 3.0, 2.0, 3.0, 2.5, 2.5, 3.0, 3.0, 3.0, 3.0, 7.5, 2.0, 1.0, 3. P30 5, 0, 0, 25, 5, 0, 4, 0, 4, 0, 0, 5, 0, 0, 0, 5, 0, 0, 3, 0, 5, 0, 0, 0, 5, 0, 5, 0, 3, 0, ... P31 3, 0, 0, 12, 1, 0, 5, 0, 5, 0, 0, 5, 0, 0, 0, 15, 0, 0, 5, 0, 1, 0, 0, 0, 5, 0, 5, 0, 5, 0,.. P32 4, 0, 0, 10, 3, 0, 2, 0, 5, 0, 0, 4, 0, 0, 0 , 20, 0 , 0 , 5 , 0 , 2 , 0 , 0 , 0 , 4 , 0 , 4 , 0 , 5 , 0 , . . P33 5 , 0, 0, 6, 2, 0, 2 , 0, 3 , 0 , 0 , 2 , 0 , 0 , 0 , 2 , 0 , 0 , 4 , 0 , 2 , 0 , 0 , 0 , 4 , 0 , 3 , 0 , 2 , 0 , 0 . P34 5, 0, 0, 18, 3, 0, 3, 0, 4, 0, 0, 3, 0, 0, 0, 12, 0, 0, 4, 0, 4, 0, 0, 0, 4, 0, 3, 0, 3 , 0 , .. . P35 4, 0, 0, 12, 4, 0, 5, 0, 5, 0, 0, 4, 0, 0, 0, 3, 0, 0, 4, 0, 5, 0, 0, 0, 4, 0, 4, 0, 5, 0, . P36 3, 0, 0, 12, 3, 0, 4, 0, 4, 0, 0, 4, 0, 0, 0, 16, 0, 0, 3, 0, 5, 0, 0, 0, 5, 0, 3, 0, 4, 0,... P37 4, 0, 0, 6, 3, 0, 4, 0, 5, 0, 0, 2, 0, 0, 0, 4, 0, 0, 2, 0, 4, 0, 0, 0, 2, 0, 1, 0, 4, 0, 0.. revenue 5653753, 6923131, 2055379, 2675511, 4316715, 5017319, 5166635, 4491607, 4952497, 5444227, 3. train TRUE, TRUE, FALSE, FALSE, FALSE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, FALSE, TRU