diff --git a/data/2024-11.csv b/data/2024-11.csv
index 99721d7..0c371e7 100644
--- a/data/2024-11.csv
+++ b/data/2024-11.csv
@@ -98,3 +98,90 @@ _id,month,town,flat_type,block,street_name,storey_range,floor_area_sqm,flat_mode
 193066,2024-11,YISHUN,5 ROOM,432C,YISHUN AVE 1,10 TO 12,112.0,Improved,2015,90 years,688000.0,432C YISHUN AVE 1,763432,1.41949570230706,103.845973427257
 193067,2024-11,YISHUN,5 ROOM,602,YISHUN ST 61,01 TO 03,121.0,Improved,1987,61 years 08 months,620000.0,602 YISHUN ST 61,760602,1.42254719084625,103.83630530745
 193068,2024-11,YISHUN,EXECUTIVE,877,YISHUN ST 81,01 TO 03,142.0,Apartment,1987,62 years 03 months,865000.0,877 YISHUN ST 81,760877,1.41390219124124,103.835453933174
+192971,2024-11,ANG MO KIO,3 ROOM,452,ANG MO KIO AVE 10,01 TO 03,68.0,New Generation,1979,53 years 10 months,380000.0,452 ANG MO KIO AVE 10,560452,1.36889751131378,103.856200835147
+192976,2024-11,ANG MO KIO,4 ROOM,177,ANG MO KIO AVE 4,07 TO 09,91.0,New Generation,1981,55 years 07 months,529800.0,177 ANG MO KIO AVE 4,560177,1.37583827139652,103.838123054825
+192977,2024-11,ANG MO KIO,4 ROOM,260A,ANG MO KIO ST 21,13 TO 15,93.0,Model A,2018,92 years 09 months,960000.0,260A ANG MO KIO ST 21,561260,1.36928934819166,103.834131942869
+192978,2024-11,ANG MO KIO,4 ROOM,590A,ANG MO KIO ST 51,16 TO 18,93.0,Model A,2019,93 years 05 months,1025000.0,590A ANG MO KIO ST 51,561590,1.37122178516983,103.853853154442
+192982,2024-11,BISHAN,4 ROOM,307,SHUNFU RD,04 TO 06,92.0,New Generation,1985,59 years 07 months,715000.0,307 SHUNFU RD,570307,1.35048016607758,103.838771255828
+192984,2024-11,BISHAN,5 ROOM,173,BISHAN ST 13,10 TO 12,121.0,Improved,1987,61 years 07 months,970888.0,173 BISHAN ST 13,570173,1.3477511871809,103.854258267311
+192987,2024-11,BUKIT BATOK,4 ROOM,321,BT BATOK ST 33,04 TO 06,93.0,New Generation,1986,60 years 06 months,490000.0,321 BT BATOK ST 33,650321,1.36131699323376,103.747741215309
+192989,2024-11,BUKIT BATOK,4 ROOM,113,BT BATOK WEST AVE 6,10 TO 12,104.0,Model A,1984,58 years 09 months,565888.0,113 BT BATOK WEST AVE 6,650113,1.34883637963314,103.745173404083
+192990,2024-11,BUKIT BATOK,5 ROOM,442A,BT BATOK WEST AVE 8,13 TO 15,112.0,Improved,2019,93 years 06 months,785000.0,442A BT BATOK WEST AVE 8,651442,1.35660480719736,103.738628185843
+192991,2024-11,BUKIT BATOK,EXECUTIVE,290C,BT BATOK EAST AVE 3,07 TO 09,142.0,Apartment,1997,72 years 02 months,868000.0,290C BT BATOK EAST AVE 3,650290,1.34409580185561,103.757275306688
+192993,2024-11,BUKIT MERAH,2 ROOM,50,HAVELOCK RD,04 TO 06,43.0,Standard,1973,47 years 06 months,283000.0,50 HAVELOCK RD,160050,1.2897647546758,103.826802915076
+192995,2024-11,BUKIT MERAH,4 ROOM,54,HAVELOCK RD,19 TO 21,94.0,Model A,2013,87 years 08 months,945000.0,54 HAVELOCK RD,161054,1.28930893190551,103.829233342268
+192998,2024-11,BUKIT PANJANG,4 ROOM,512,JELAPANG RD,13 TO 15,100.0,Model A,1998,72 years 08 months,545000.0,512 JELAPANG RD,670512,1.38733197714311,103.768255010804
+193003,2024-11,BUKIT PANJANG,EXECUTIVE,101,GANGSA RD,07 TO 09,144.0,Apartment,1987,62 years,850000.0,101 GANGSA RD,670101,1.37916431633637,103.767439286222
+193004,2024-11,BUKIT PANJANG,EXECUTIVE,107,GANGSA RD,01 TO 03,144.0,Apartment,1987,62 years,815000.0,107 GANGSA RD,670107,1.37798469700849,103.766714651133
+193005,2024-11,CHOA CHU KANG,3 ROOM,476B,CHOA CHU KANG AVE 5,01 TO 03,68.0,Model A,2013,87 years 10 months,462000.0,476B CHOA CHU KANG AVE 5,682476,1.37711823495119,103.737558566927
+193006,2024-11,CHOA CHU KANG,4 ROOM,288,CHOA CHU KANG AVE 3,01 TO 03,105.0,Model A,1990,64 years 09 months,535000.0,288 CHOA CHU KANG AVE 3,680288,1.37893889552044,103.74102712594
+193010,2024-11,CHOA CHU KANG,4 ROOM,704,CHOA CHU KANG ST 53,04 TO 06,109.0,Model A,1995,69 years 08 months,531000.0,704 CHOA CHU KANG ST 53,680704,1.39045874428793,103.745719464356
+193011,2024-11,CHOA CHU KANG,5 ROOM,277,CHOA CHU KANG AVE 2,07 TO 09,122.0,Improved,1993,67 years 08 months,711000.0,277 CHOA CHU KANG AVE 2,680277,1.37987227900139,103.744605644093
+193013,2024-11,CHOA CHU KANG,5 ROOM,625,CHOA CHU KANG ST 62,10 TO 12,121.0,Improved,1997,71 years 08 months,735000.0,625 CHOA CHU KANG ST 62,680625,1.39863065232743,103.746034051085
+193014,2024-11,CLEMENTI,3 ROOM,426,CLEMENTI AVE 3,01 TO 03,67.0,New Generation,1978,52 years 08 months,385000.0,426 CLEMENTI AVE 3,120426,1.31158040643011,103.764211279777
+193018,2024-11,GEYLANG,4 ROOM,32,EUNOS CRES,13 TO 15,90.0,Model A,2007,81 years 04 months,920888.0,32 EUNOS CRES,400032,1.32029253511763,103.901355995305
+193019,2024-11,GEYLANG,4 ROOM,126,GEYLANG EAST AVE 1,10 TO 12,104.0,Model A,1983,58 years 02 months,808000.0,126 GEYLANG EAST AVE 1,381126,1.31755699491525,103.887130250228
+193020,2024-11,GEYLANG,4 ROOM,349,UBI AVE 1,10 TO 12,104.0,Model A,1986,60 years 04 months,645000.0,349 UBI AVE 1,400349,1.32582834326478,103.900581103781
+193021,2024-11,GEYLANG,5 ROOM,417,EUNOS RD 5,01 TO 03,140.0,Model A-Maisonette,1984,59 years 01 month,950000.0,417 EUNOS RD 5,400417,1.31807285075693,103.897087501294
+193022,2024-11,HOUGANG,3 ROOM,6,HOUGANG AVE 3,04 TO 06,59.0,Improved,1975,49 years 10 months,345000.0,6 HOUGANG AVE 3,530006,1.36271446291047,103.893980503167
+193027,2024-11,HOUGANG,4 ROOM,161,HOUGANG ST 11,07 TO 09,103.0,Model A,1997,72 years 03 months,700888.0,161 HOUGANG ST 11,530161,1.35253849426887,103.878702628192
+193031,2024-11,JURONG EAST,3 ROOM,264,JURONG EAST ST 24,01 TO 03,68.0,New Generation,1983,57 years 07 months,380000.0,264 JURONG EAST ST 24,600264,1.34382869717494,103.741654163177
+193037,2024-11,JURONG WEST,3 ROOM,697B,JURONG WEST CTRL 3,07 TO 09,68.0,Model A,2017,92 years 01 month,535000.0,697B JURONG WEST CTRL 3,642697,1.34067930866793,103.708445480847
+193038,2024-11,JURONG WEST,3 ROOM,698A,JURONG WEST CTRL 3,13 TO 15,68.0,Model A,2017,92 years 01 month,560000.0,698A JURONG WEST CTRL 3,641698,1.341091607667,103.708023659485
+193039,2024-11,JURONG WEST,3 ROOM,492,JURONG WEST ST 41,04 TO 06,64.0,Simplified,1986,60 years 10 months,395000.0,492 JURONG WEST ST 41,640492,1.34994543559348,103.725180466645
+193044,2024-11,JURONG WEST,5 ROOM,183D,BOON LAY AVE,13 TO 15,112.0,Improved,2015,89 years 04 months,739800.0,183D BOON LAY AVE,644183,1.34909289443558,103.709041526551
+193045,2024-11,JURONG WEST,5 ROOM,816,JURONG WEST ST 81,10 TO 12,124.0,Improved,1993,68 years,595000.0,816 JURONG WEST ST 81,640816,1.34531396644269,103.696418500187
+193046,2024-11,JURONG WEST,5 ROOM,987A,JURONG WEST ST 93,10 TO 12,114.0,Premium Apartment,2008,82 years 11 months,636000.0,987A JURONG WEST ST 93,641987,1.33652389687164,103.694493942627
+193047,2024-11,JURONG WEST,5 ROOM,165B,YUNG KUANG RD,10 TO 12,113.0,Improved,2018,93 years 01 month,800000.0,165B YUNG KUANG RD,612165,1.33064472260389,103.722321863113
+193049,2024-11,KALLANG/WHAMPOA,3 ROOM,45,BENDEMEER RD,07 TO 09,66.0,Improved,1972,46 years 04 months,405000.0,45 BENDEMEER RD,330045,1.3223875270991,103.866126107239
+193052,2024-11,KALLANG/WHAMPOA,5 ROOM,103,AH HOOD RD,13 TO 15,118.0,Improved,1981,55 years 11 months,810888.0,103 AH HOOD RD,320103,1.32796267483785,103.844826964123
+193053,2024-11,MARINE PARADE,3 ROOM,66,MARINE DR,04 TO 06,65.0,Improved,1976,50 years 06 months,450000.0,66 MARINE DR,440066,1.30391193028103,103.909740471499
+193055,2024-11,PASIR RIS,5 ROOM,212,PASIR RIS ST 21,07 TO 09,132.0,Model A,1993,67 years 10 months,700000.0,212 PASIR RIS ST 21,510212,1.3677785523953,103.960765697169
+193056,2024-11,PASIR RIS,5 ROOM,274,PASIR RIS ST 21,04 TO 06,123.0,Improved,1994,68 years 07 months,650000.0,274 PASIR RIS ST 21,510274,1.36434002216723,103.964028907972
+193057,2024-11,PASIR RIS,EXECUTIVE,536,PASIR RIS DR 1,13 TO 15,147.0,Apartment,1992,67 years 03 months,999000.0,536 PASIR RIS DR 1,510536,1.3706314383911,103.94982763028
+193059,2024-11,PASIR RIS,EXECUTIVE,537,PASIR RIS ST 51,13 TO 15,141.0,Apartment,1992,67 years 02 months,984000.0,537 PASIR RIS ST 51,510537,1.36974950862984,103.949793789445
+193062,2024-11,PUNGGOL,3 ROOM,327B,SUMANG WALK,10 TO 12,68.0,Model A,2018,93 years 02 months,515000.0,327B SUMANG WALK,822327,1.41225569065015,103.899575835016
+193063,2024-11,PUNGGOL,4 ROOM,134,EDGEDALE PLAINS,16 TO 18,91.0,Premium Apartment,2003,78 years 02 months,550000.0,134 EDGEDALE PLAINS,820134,1.39233540545797,103.91018078305
+193065,2024-11,PUNGGOL,4 ROOM,603A,PUNGGOL RD,13 TO 15,93.0,Model A,2012,87 years,695000.0,603A PUNGGOL RD,821603,1.4035301270326,103.908463410662
+193067,2024-11,PUNGGOL,4 ROOM,227B,SUMANG LANE,07 TO 09,93.0,Premium Apartment,2018,92 years 06 months,650000.0,227B SUMANG LANE,822227,1.40347414456338,103.893723781941
+193068,2024-11,PUNGGOL,4 ROOM,232C,SUMANG LANE,10 TO 12,93.0,Model A,2018,93 years 02 months,655000.0,232C SUMANG LANE,823232,1.40203576124081,103.890116621791
+193069,2024-11,PUNGGOL,5 ROOM,104B,EDGEFIELD PLAINS,07 TO 09,110.0,Improved,2003,77 years 08 months,601000.0,104B EDGEFIELD PLAINS,822104,1.39660886204199,103.905303792463
+193070,2024-11,PUNGGOL,5 ROOM,107D,EDGEFIELD PLAINS,13 TO 15,110.0,Improved,2003,77 years 06 months,658888.0,107D EDGEFIELD PLAINS,824107,1.39623803491797,103.908007315128
+193071,2024-11,PUNGGOL,5 ROOM,665A,PUNGGOL DR,04 TO 06,113.0,Premium Apartment,2016,90 years 05 months,770000.0,665A PUNGGOL DR,821665,1.4022827275187,103.913637732874
+193072,2024-11,PUNGGOL,5 ROOM,197B,PUNGGOL FIELD,10 TO 12,110.0,Improved,2003,77 years 08 months,623000.0,197B PUNGGOL FIELD,822197,1.40013151118101,103.906647584844
+193076,2024-11,QUEENSTOWN,4 ROOM,32,GHIM MOH LINK,10 TO 12,93.0,Model A,2018,92 years 09 months,1030000.0,32 GHIM MOH LINK,271032,1.3100634072092,103.784498087029
+193077,2024-11,QUEENSTOWN,4 ROOM,18A,HOLLAND DR,01 TO 03,92.0,Model A,2012,87 years,938000.0,18A HOLLAND DR,272018,1.31105861060205,103.791886571185
+193080,2024-11,QUEENSTOWN,5 ROOM,55,STRATHMORE AVE,04 TO 06,110.0,Improved,2002,76 years 08 months,945000.0,55 STRATHMORE AVE,140055,1.29338294925716,103.809330719416
+193083,2024-11,SEMBAWANG,4 ROOM,486,ADMIRALTY LINK,01 TO 03,90.0,Model A,2004,78 years 07 months,485000.0,486 ADMIRALTY LINK,750486,1.45602740243461,103.816100124988
+193087,2024-11,SEMBAWANG,EXECUTIVE,308,CANBERRA RD,07 TO 09,141.0,Apartment,1998,73 years 02 months,815000.0,308 CANBERRA RD,750308,1.44632693492685,103.821744465946
+193092,2024-11,SENGKANG,4 ROOM,210B,COMPASSVALE LANE,04 TO 06,93.0,Model A,2013,87 years 05 months,630000.0,210B COMPASSVALE LANE,542210,1.38452262212891,103.899761738235
+193096,2024-11,SENGKANG,5 ROOM,319A,ANCHORVALE DR,07 TO 09,110.0,Improved,2002,77 years 01 month,700000.0,319A ANCHORVALE DR,541319,1.39059690271608,103.890148270578
+193097,2024-11,SENGKANG,5 ROOM,227D,COMPASSVALE DR,10 TO 12,121.0,Improved,2000,74 years 05 months,715000.0,227D COMPASSVALE DR,544227,1.38696491631064,103.90141541498
+193099,2024-11,SENGKANG,5 ROOM,291B,COMPASSVALE ST,04 TO 06,110.0,Improved,2002,76 years 04 months,642000.0,291B COMPASSVALE ST,542291,1.39582487078481,103.898497580022
+193100,2024-11,SENGKANG,5 ROOM,188C,RIVERVALE DR,04 TO 06,115.0,Improved,2000,74 years 11 months,628000.0,188C RIVERVALE DR,543188,1.39522162663414,103.904808624541
+193101,2024-11,SENGKANG,EXECUTIVE,202B,SENGKANG EAST RD,10 TO 12,130.0,Apartment,2001,75 years 08 months,838888.0,202B SENGKANG EAST RD,542202,1.38812749983553,103.892742866634
+193103,2024-11,SERANGOON,4 ROOM,226,SERANGOON AVE 4,13 TO 15,91.0,New Generation,1984,58 years 10 months,658000.0,226 SERANGOON AVE 4,550226,1.35682249995275,103.87085702772
+193105,2024-11,TAMPINES,3 ROOM,899A,TAMPINES ST 81,04 TO 06,74.0,Model A,1988,62 years 11 months,455000.0,899A TAMPINES ST 81,521899,1.34632473579465,103.935008515937
+193106,2024-11,TAMPINES,4 ROOM,146,SIMEI ST 2,04 TO 06,104.0,Model A,1988,63 years,668000.0,146 SIMEI ST 2,520146,1.34464143544848,103.955916773177
+193107,2024-11,TAMPINES,4 ROOM,610A,TAMPINES NTH DR 1,01 TO 03,93.0,Model A,2020,95 years 01 month,695000.0,610A TAMPINES NTH DR 1,521610,1.36449829827687,103.936915541696
+193109,2024-11,TAMPINES,4 ROOM,725,TAMPINES ST 71,10 TO 12,103.0,Model A,1997,71 years 11 months,640000.0,725 TAMPINES ST 71,520725,1.35698450686671,103.935334502197
+193110,2024-11,TAMPINES,5 ROOM,165,SIMEI RD,01 TO 03,128.0,Improved,1989,63 years 07 months,700000.0,165 SIMEI RD,520165,1.34553016120065,103.959248804134
+193111,2024-11,TAMPINES,5 ROOM,496D,TAMPINES AVE 9,10 TO 12,126.0,Improved,1993,67 years 10 months,760000.0,496D TAMPINES AVE 9,520496,1.36149819401054,103.950121108747
+193112,2024-11,TAMPINES,EXECUTIVE,111,SIMEI ST 1,01 TO 03,146.0,Maisonette,1987,62 years 03 months,940888.0,111 SIMEI ST 1,520111,1.34241233534134,103.949503526295
+193116,2024-11,TOA PAYOH,3 ROOM,131A,LOR 1 TOA PAYOH,28 TO 30,68.0,Model A,2018,92 years 11 months,795000.0,131A LOR 1 TOA PAYOH,311131,1.33843987383953,103.843390114067
+193117,2024-11,TOA PAYOH,3 ROOM,159,LOR 1 TOA PAYOH,07 TO 09,65.0,Improved,1972,46 years 04 months,375000.0,159 LOR 1 TOA PAYOH,310159,1.3307454292856,103.845601223103
+193124,2024-11,TOA PAYOH,4 ROOM,120,POTONG PASIR AVE 1,07 TO 09,93.0,New Generation,1984,59 years 01 month,610000.0,120 POTONG PASIR AVE 1,350120,1.33545353246777,103.863387980398
+193125,2024-11,TOA PAYOH,5 ROOM,138C,LOR 1A TOA PAYOH,16 TO 18,110.0,DBSS,2012,86 years 07 months,1300000.0,138C LOR 1A TOA PAYOH,313138,1.33626413671063,103.844907413472
+193130,2024-11,WOODLANDS,4 ROOM,120,MARSILING RISE,07 TO 09,98.0,New Generation,1985,60 years 03 months,500000.0,120 MARSILING RISE,730120,1.43918122951508,103.780841083163
+193135,2024-11,WOODLANDS,4 ROOM,887A,WOODLANDS DR 50,13 TO 15,95.0,Premium Apartment,2015,89 years 05 months,692888.0,887A WOODLANDS DR 50,731887,1.43719216541067,103.793890876939
+193136,2024-11,WOODLANDS,5 ROOM,555,WOODLANDS DR 53,04 TO 06,120.0,Improved,1999,74 years 02 months,640000.0,555 WOODLANDS DR 53,730555,1.43228169943574,103.795797044364
+193137,2024-11,WOODLANDS,5 ROOM,611,WOODLANDS RING RD,07 TO 09,121.0,Improved,1998,72 years 06 months,652000.0,611 WOODLANDS RING RD,730611,1.43542609193713,103.796998842033
+193139,2024-11,YISHUN,3 ROOM,506B,YISHUN AVE 4,13 TO 15,68.0,Model A,2018,92 years 07 months,490000.0,506B YISHUN AVE 4,762506,1.41581868901228,103.840678829265
+193141,2024-11,YISHUN,3 ROOM,710,YISHUN AVE 5,07 TO 09,68.0,New Generation,1984,58 years 07 months,408000.0,710 YISHUN AVE 5,760710,1.42821779793313,103.827761264778
+193143,2024-11,YISHUN,3 ROOM,137,YISHUN RING RD,04 TO 06,68.0,New Generation,1985,59 years 04 months,415000.0,137 YISHUN RING RD,760137,1.43198319567796,103.830253382367
+193144,2024-11,YISHUN,3 ROOM,722,YISHUN ST 71,04 TO 06,64.0,Simplified,1987,62 years,380000.0,722 YISHUN ST 71,760722,1.42566715797556,103.829016104284
+193148,2024-11,YISHUN,4 ROOM,862,YISHUN AVE 4,10 TO 12,105.0,Model A,1988,62 years 10 months,600000.0,862 YISHUN AVE 4,760862,1.41717564266771,103.839341384551
+193149,2024-11,YISHUN,4 ROOM,316B,YISHUN AVE 9,10 TO 12,92.0,Model A,2015,90 years 01 month,636000.0,316B YISHUN AVE 9,762316,1.43286932101608,103.842697590791
+193150,2024-11,YISHUN,4 ROOM,224,YISHUN ST 21,07 TO 09,93.0,New Generation,1985,59 years 11 months,510000.0,224 YISHUN ST 21,760224,1.43463286013578,103.835208223916
+193152,2024-11,YISHUN,4 ROOM,749,YISHUN ST 72,04 TO 06,91.0,New Generation,1984,58 years 09 months,590000.0,749 YISHUN ST 72,760749,1.42837595256793,103.834113498541
+193155,2024-11,YISHUN,5 ROOM,350,YISHUN AVE 11,10 TO 12,121.0,Improved,1988,62 years 11 months,710000.0,350 YISHUN AVE 11,760350,1.42547985096679,103.84427895925
diff --git a/data/df.parquet b/data/df.parquet
index 54070be..bad6ab5 100644
Binary files a/data/df.parquet and b/data/df.parquet differ
diff --git a/data/metadata b/data/metadata
index dd8fd17..4c15df7 100644
--- a/data/metadata
+++ b/data/metadata
@@ -1 +1 @@
-1730682100
+1730772930