Upload df_train.csv

df_train.csv

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+audience,date_ymd,last_audience,low_price,center_price,high_price,quantity
+11387,20201216,11360,432,486,540,47287
+4868,20210226,11387,756,864,1080,37972
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+9810,20210403,4744,648,702,756,35872
+9173,20210407,9810,324,432,540,71082
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+9720,20210418,6958,324,410,540,60751
+4954,20210504,9720,864,918,972,41085
+4752,20210512,4954,270,324,378,71138
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+4958,20210530,4942,972,1080,1296,22584
+4897,20210926,4958,324,540,648,56319
+4932,20210929,4897,432,540,864,48752
+9789,20211002,4932,324,378,540,46452
+11576,20211024,9789,756,864,1080,31528
+11603,20211103,11576,324,432,540,58555
+14867,20211127,11603,648,864,1080,21958
+17544,20220218,14867,864,972,1080,17249
+14696,20220302,17544,324,432,648,45758
+18114,20220312,14696,216,324,540,55578
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+16704,20220514,17471,324,378,432,48707
+14068,20220525,16704,648,702,756,38644
+18960,20220618,14068,972,1080,1188,22106
+19024,20220625,18960,540,648,756,51618
+18466,20220709,19024,432,756,972,37040
+20704,20220807,18466,1080,1296,1620,23210
+20757,20220827,20704,432,540,648,52286
+13923,20220831,20757,432,648,756,50634
+20873,20220910,13923,1404,1458,1512,10899
+19022,20221008,20873,540,648,864,30905
+14445,20221012,19022,756,864,972,41215
+22110,20221029,14445,540,594,648,37099
+22563,20230217,22110,540,756,864,29589
+21171,20230304,22563,486,594,756,34322
+19054,20230318,21171,540,648,864,28079