getwd()## [1] "C:/Users/Vinod/Documents/R Scripts/Teaching"#setwd()
dir(path="C:/Users/Vinod/Downloads")## [1] "(2015-04-07)(14-29-53)(8717).pdf"
## [2] "[kat.cr]baahubali.the.beginning.2015.mp3.320kbps.download.latest.telugu.mp3.songs.mp3bakery.torrent"
## [3] "[kat.cr]bahubali.the.beginning.2015.dual.audio.telugu.hindi.bdrip.rdlinks.first.on.net.exclusive.torrent"
## [4] "[kat.cr]bale.bale.magadivoi.2015.mp3.320kbps.download.latest.telugu.mp3.songs.mp3bakery.torrent"
## [5] "[kat.cr]jurassic.world.2015.720p.hc.hdrip.x264.rlsm.torrent"
## [6] "[kat.cr]ms.office.2007.zip.torrent"
## [7] "[kat.cr]mukunda.2014.telugu.movie.dthrip.xvid.ac3.rdlinks.first.on.net.exclusive.torrent"
## [8] "[kat.cr]office.standard.2007.torrent"
## [9] "[kat.cr]singham.123.2015.telugu.hdrip.x264.1cd.700mb.torrent"
## [10] "[kat.cr]tangled.2010.complete.1080p.bluray.x265.10bit.aac.7.1.joy.utr.torrent"
## [11] "[kat.cr]telugu.songs.bruce.lee.the.fighter.2015.original.audio.cd.320kbps.torrent"
## [12] "[kat.cr]telugu.songs.mukundha.2014.original.audio.cd.320kbps.torrent"
## [13] "[kat.cr]telugu.songs.sivam.2015.original.audio.cd.320kbps.torrent"
## [14] "[kat.cr]telugu.srimantudu.2015.mp3.songs.320.kbits.kajal.torrent"
## [15] "[kat.cr]the.lion.king.1.1994.1080p.brrip.x264.yify.torrent"
## [16] "[kickass.to]son.of.satyamurthy.2015.1cd.dvdscr.mp3.xvid.700mb.telugu.movie.jalsatime.torrent"
## [17] "0001.1 User Stories.docx"
## [18] "0001.2 Software Design Document - IAP_2011-06-14.docx"
## [19] "0001.2 Software Design Document.docx"
## [20] "1073204032_757877394_0_150401 (1).html"
## [21] "1073204032_757877394_0_150401.html"
## [22] "1073204032_775653394_0_150501.html"
## [23] "1147911940_159915960.pdf"
## [24] "1158_id_card_circular.docx"
## [25] "1420038283808.24287_How do I create and AFP Outline Font (1).docx"
## [26] "1420038283808.24287_How do I create and AFP Outline Font.docx"
## [27] "1806766726_09_201597310316.pdf"
## [28] "1965_Activities_on_taste.docx"
## [29] "2437_KG_Habba_Circular (1).doc"
## [30] "2437_KG_Habba_Circular.doc"
## [31] "2696_story_books_cir.docx"
## [32] "3119_parent_participation_circular.docx"
## [33] "4459_NOTE_FROM_INFIRMARY.doc"
## [34] "5164_Rajyostava_cir..doc"
## [35] "5634_ukg_orientation_programme.doc"
## [36] "5776_PTM_Circular.doc"
## [37] "59668858_1427525018193.pdf"
## [38] "60210375-20150812.pdf"
## [39] "6073_Kinder_Garten_Drop_Routes_Timings_From_18-9-2015_to_30-9-2015.xls"
## [40] "6185951_1425693288626.pdf"
## [41] "6185951_1429143747814.pdf"
## [42] "6185951_1429318563193.pdf"
## [43] "6185951_1433234228573.pdf"
## [44] "6185951_1435499910075.pdf"
## [45] "6185951_1437546173372.pdf"
## [46] "6185951_1440814295859.pdf"
## [47] "6185951_1443278507079.pdf"
## [48] "6185951_1446269349474.pdf"
## [49] "6215_Hindi_Holiday_H.W_(1).docx"
## [50] "7148_kidszone.docx"
## [51] "7668_procedure_to_meet_teacher_or_parent_pick_up_ciruclar.docx"
## [52] "7726_Onam_Celebration_in_Kindergarten_(1).doc"
## [53] "7818_KG_PTM_Rescheduled.docx"
## [54] "8228_21-2-2015_Bus_Route_for_Freedom_Park.xls"
## [55] "8859_change_in_KG_bus_timings.docx.doc"
## [56] "8964_Ethnic_week (1).docx"
## [57] "8964_Ethnic_week.docx"
## [58] "8965_19th_&_24th_March_2015_Pick-Up_Routes.xls"
## [59] "Account_creation1_1.0.zip"
## [60] "account_statement.pdf"
## [61] "addfile2101142590274020861.xlsx"
## [62] "admitcards (1).zip"
## [63] "admitcards.zip"
## [64] "aegon_case_study.pdf"
## [65] "AFP-Lookup-Complete-Setup.exe"
## [66] "airtel_bill.pdf"
## [67] "Alert Management.odt"
## [68] "apache-jmeter-2.13"
## [69] "apache-jmeter-2.13.zip"
## [70] "AppNee.com.Dont.Make.Me.Think.Revisited.3rd.Edition.mobi"
## [71] "apr-13 Payslip (1).pdf"
## [72] "apr-13.pdf"
## [73] "AuroraBorealis.themepack"
## [74] "avg_isct_stb_all_2015_5315_WAO_2.exe"
## [75] "avinash_ltv.zip"
## [76] "AVYxxxxx6Q_2015-16_AB7792315.zip"
## [77] "Balsamiq_Mockups_3.1.9.exe"
## [78] "Barcode Test - Account & Invoice.jpg"
## [79] "Barcode Test - Account, Invoice & Amount.jpg"
## [80] "Barcode_Test_-_Account_Invoice.png"
## [81] "BH-053-bif82-20150627-165831-1-30-AP8-2-3-889977806-PC-500072-I.DAT"
## [82] "Big Data Hadoop Course Content.pdf"
## [83] "BigDiamonds.csv"
## [84] "BigDiamonds.csv.zip"
## [85] "BitTorrent.exe"
## [86] "BMTC.pdf"
## [87] "Boarding-documents-09Apr (1).pdf"
## [88] "Boarding-documents-09Apr.pdf"
## [89] "Borewell.xlsx"
## [90] "Building_RIA.pptx"
## [91] "cable_letter_english.pdf"
## [92] "CDF-M3bi India Pvt Ltd.pdf"
## [93] "CDRIO_VIEWER"
## [94] "CDRIO_VIEWER.gz"
## [95] "CherryBlossoms.themepack"
## [96] "chromeinstall-8u31.exe"
## [97] "CommunityShowcaseNaturalLandscapes3.themepack"
## [98] "comparison+detailed_life_time_value.xlsx"
## [99] "Competition_Analysis.ppt"
## [100] "Component_Diagram.pdf"
## [101] "CopyofFunctionalSpecTemplatev1.0.docx"
## [102] "CR508707_My_Plan_3_IA_V0.1 draft.docx"
## [103] "CreditCardStatement.pdf"
## [104] "CSV_Template_Test_Cases_3_2007v.xls"
## [105] "Customer Center User Guide.pdf"
## [106] "D6DF94_sample-scope-statement.doc"
## [107] "desktop.ini"
## [108] "detailed_analysis.xls"
## [109] "Diksha - Software Architecture @ Praya.pptx"
## [110] "Diksha Praya Product Development Framework -v1.0.pptx"
## [111] "Diksha Praya Requirement Management -v1.0 (1).pptx"
## [112] "Diksha Praya Requirement Management -v1.0.pptx"
## [113] "DikshaTest_with_page_overlay_resource.afp"
## [114] "DikshaTest_without_page_overlay_resource.afp"
## [115] "DIRS_Testcase_Deck_v0.4.xlsx"
## [116] "DPS_Tshirt.pdf"
## [117] "DPSNORTH_FEE.pdf"
## [118] "DTPL0398201409.pdf"
## [119] "DTPL0398201410.pdf"
## [120] "DTPL0398201502.pdf"
## [121] "DTPL0398201504.pdf"
## [122] "DTPL0398201508.pdf"
## [123] "DTPL0399201501.pdf"
## [124] "DTPL0399201502.pdf"
## [125] "DTPL0399201503.pdf"
## [126] "Duplicate_Bill_Request_SP_With_Update_06-06-2015_.dat"
## [127] "Duplicate_Bill_View_SP.dat"
## [128] "eTicket-HTLBZYXLR6.pdf"
## [129] "eWallet.docx"
## [130] "ExampleApp-Functional-Specification.xls"
## [131] "EXELFORcsv (1).csv"
## [132] "EXELFORcsv.csv"
## [133] "ExistingRequestSample.xlsx"
## [134] "ExistingRequestSample552215.xls"
## [135] "Extension Letter - Reference.pdf"
## [136] "Feb-13.pdf"
## [137] "Financial Summary (1).pdf"
## [138] "Financial Summary (2).pdf"
## [139] "Financial Summary (3).pdf"
## [140] "Financial Summary (4).pdf"
## [141] "Financial Summary (5).pdf"
## [142] "Financial Summary.pdf"
## [143] "Financial_summary_36372_28-FEB-15_XXXXXXXXXX38.pdf"
## [144] "Financial_summary_37147_30-APR-15_XXXXXXXXXX38.pdf"
## [145] "Firefox Setup Stub 41.0.2.exe"
## [146] "Floor Plan.pdf"
## [147] "formal-02-06-51.pdf"
## [148] "Func Spec Example - Telematics.doc"
## [149] "FunctionalSpecStandard.doc"
## [150] "FXONZ_eWallet_Agreement_EN.pdf"
## [151] "gimp-2.8.14-setup-1.exe.torrent"
## [152] "HLSD - My Plan 3 v0 3_20150204.doc"
## [153] "Induction to Software Development Environment.ppt"
## [154] "install_flash_player.exe"
## [155] "install_flash_player_ax.exe"
## [156] "Inventory_and_Sales_Manager_ET01200220100011.xlsx"
## [157] "Invoice_Renderer_PRD_Requirements_Shared_20-5__2_.xlsx"
## [158] "IPDF_13-05-2015.pdf"
## [159] "itunes6464setup.exe"
## [160] "jd-gui-1.0.0.jar"
## [161] "jd-gui.cfg"
## [162] "jkg.zip"
## [163] "JuniperSetupClientInstaller.exe"
## [164] "jxl.jar"
## [165] "jxl.jar.zip"
## [166] "KAARTHIKEYAN_S.doc"
## [167] "Lenovo.SuperFishRemovalTool.exe"
## [168] "LenovoPhotoMaster_Patch_PHP140710-02.exe"
## [169] "Letter of Offer_Veena Pulluru_Informatica-signed.pdf"
## [170] "List_of_Predefined_Templates_Updated.xlsx"
## [171] "LKG - PPT.ppt"
## [172] "Logo1 (1).png"
## [173] "Logo1.png"
## [174] "Mar-13.pdf"
## [175] "MDA.pptx"
## [176] "merged_document (1).pdf"
## [177] "merged_document.pdf"
## [178] "Microsoft.SkypeApp_kzf8qxf38zg5c!App"
## [179] "MM_960_MetadataManagerAdministratorGuide_en.pdf"
## [180] "MM_960_MetadataManagerUserGuide_en.pdf"
## [181] "MM_961HF2_MetadataManagerCustomMetadataIntegrationGuide_en.pdf"
## [182] "mysql-installer-web-community-5.6.27.0.msi"
## [183] "mysql-workbench-community-6.3.4-winx64.msi"
## [184] "New Birthday Bumps Monsoon Offer Rate Card 2015 (2).pdf"
## [185] "new CV - Vinod"
## [186] "npp.6.7.4.Installer.exe"
## [187] "O R - JKG.ppt"
## [188] "Observations.xlsx"
## [189] "onlinefontconverter.com.zip"
## [190] "OpTransactionHistory12-04-2015 (1).xls"
## [191] "OpTransactionHistory12-04-2015.xls"
## [192] "P Saraswathi.pdf"
## [193] "PavanNayakanti.doc"
## [194] "PaySlip_Girish_K._Subbaiah_Mar-15.pdf"
## [195] "Payslip_Mar2015.pdf"
## [196] "pcostpro.exe"
## [197] "PeriodicStatusDumper.odt"
## [198] "PlanRampup (3).xlsx"
## [199] "poi-3.13"
## [200] "poi-bin-3.13-20150929.zip"
## [201] "prd-template-v1.doc"
## [202] "Pre defined templates.docx"
## [203] "PREMIUM_PAID_ACKNOWLEDGEMENT.pdf"
## [204] "Presentation1.pptx"
## [205] "Printables.zip"
## [206] "PRJ0006ENQ_GL Recon Phase 4 Release 5_RUCS.DOCM"
## [207] "process execution checks.docx"
## [208] "Product-Requirements-Document-Template.dotx"
## [209] "Project Cost Tracking Report.xls"
## [210] "projectlibre-1.5.9.msi"
## [211] "ProjectProfessional_x86_en-us.exe"
## [212] "psi-0.15-win64-setup.exe"
## [213] "Pulluru Vinod Kumar.pdf"
## [214] "R-3.2.2-win.exe"
## [215] "Reference Details Form.pdf"
## [216] "REIMB_1427896952593_Aruba_Visa_rcpt_IshwarVerma-ishwar.verma.pdf"
## [217] "REIMB_1430309184297_ATM_charges_fee_Aruba_ishwarverma-ishwar.verma (1).docx"
## [218] "REIMB_1430309184297_ATM_charges_fee_Aruba_ishwarverma-ishwar.verma.docx"
## [219] "REIMB_1439790386605_Olacabs111765392-defi.raja.pdf"
## [220] "REIMB_1439810531838_REIMB_travelBills-defi.raja.xlsx"
## [221] "REIMB_1442999700277_Airtel Rimbursement1-defi.raja.xlsx"
## [222] "REIMB_1444221692621_Blore Airport - 29th Sep-santhosh.jpg"
## [223] "REIMB_1445585437256_IMG_20151023_125212-defi.raja.jpg"
## [224] "REIMB_1445585470850_Olacabs137196349-defi.raja.pdf"
## [225] "REIMB_1447842121746_Olacabs147362482-defi.raja.pdf"
## [226] "RStudio-0.99.489.exe"
## [227] "sample_add_spares (1).xlsx"
## [228] "sample_add_spares (2).xlsx"
## [229] "sample_add_spares (3).xlsx"
## [230] "sample_add_spares (4).xlsx"
## [231] "sample_add_spares (5).xlsx"
## [232] "sample_add_spares.xlsx"
## [233] "Sample_add_spares_tng (1).xlsx"
## [234] "Sample_add_spares_tng.xlsx"
## [235] "Sample_Backlog_Mng_Upload.xlsx"
## [236] "Sample_cumulative_add_spares_tng.xlsx"
## [237] "sample_delete_spares (1).xlsx"
## [238] "sample_delete_spares.xlsx"
## [239] "Saraswathi Pulluru Offer Letter.pdf"
## [240] "SaraswathiPulluru_PM.doc"
## [241] "selenium-2.48.2"
## [242] "selenium-java-2.48.2"
## [243] "selenium-java-2.48.2.zip"
## [244] "selenium-server-standalone-2.48.2.jar"
## [245] "SeleniumDocs.odt"
## [246] "Setar_-_eWallet_Functional_requirements.pptx"
## [247] "SETAR_4Mar_KenanFX-PerformanceReview-Feb2015 v0b.pptx"
## [248] "Setup.X86.en-us_O365SmallBusPremRetail_a81a55cc-e2bc-4cce-9440-38f3c284a566_TX_PR_.exe"
## [249] "Site.docx"
## [250] "Sizing.docx"
## [251] "SkypeSetup (1).exe"
## [252] "SkypeSetup (2).exe"
## [253] "SkypeSetup (3).exe"
## [254] "SkypeSetup.exe"
## [255] "SkypeWebPlugin.msi"
## [256] "smartdraw_YM_ZZJCQ_setup.exe"
## [257] "SoapUI-x64-5.2.1.exe"
## [258] "SS_Sample-State_of_Colorado_sample.doc"
## [259] "StarToken-NG.msi"
## [260] "Sudheer_Old_Safilguda.doc"
## [261] "swaperootalkshort.ppt"
## [262] "SWOT-Analysis-Template.pdf"
## [263] "sysdba_with_b0083598_B083598.png"
## [264] "sysdba_with_b0083598_B083598_SID.png"
## [265] "tailtest.txt"
## [266] "TeamViewer_Setup_en-ioh.exe"
## [267] "TeamViewer_Setup_en.exe"
## [268] "telecom-solution.pdf"
## [269] "Thumbs.db"
## [270] "TM_Dialling_No.xls"
## [271] "tondostd.pfb"
## [272] "tondostdbold.pfb"
## [273] "TR4WinFull.exe"
## [274] "Transport+&+Others.compressed.pdf"
## [275] "Tyfone PPT - template.pptx"
## [276] "Tyfone PPT 16-Sep-15.zip"
## [277] "Tyfone_PPT_Content.zip"
## [278] "TypeTransformer3303.exe"
## [279] "Untitled attachment 00077.dat"
## [280] "Untitled Diagram.xml"
## [281] "Updated Work flows.docx"
## [282] "vajram owners.xlsx"
## [283] "Validata_Connectivity_Product_Presentaion_(V-Conn).ppt"
## [284] "vcredist_x64.exe"
## [285] "Veena_I_CV.doc"
## [286] "Veena_Pulluru_Trainee-Soft-Sr.-Soft. Engg_PMS 2015.xlsx"
## [287] "ViberSetup.exe"
## [288] "viniod.xlsx"
## [289] "VINOD FLOOR PLAN_0689.pdf"
## [290] "Vinod Pulluru.pdf"
## [291] "VinodKumarPulluru (1).doc"
## [292] "VisioProfessional_x64_en-us.exe"
## [293] "VisioProfessional_x86_en-us.exe"
## [294] "vlc-2.1.5-win32"
## [295] "vlc-2.1.5-win32.zip"
## [296] "VNC-Viewer-5.2.3-Windows-32bit.exe"
## [297] "walletsack.ps.gz"
## [298] "winscp556setup.exe"
## [299] "Wipro_CAM_Form_5023502.pdf"
## [300] "X12-30263.exe"list.files("C:/Users/Vinod/Downloads",pattern = "csv")## [1] "BigDiamonds.csv" "BigDiamonds.csv.zip" "EXELFORcsv (1).csv"
## [4] "EXELFORcsv.csv"myfirstfile=read.csv("C:/Users/Vinod/Downloads/BigDiamonds.csv")
memory.size()## [1] 185.05object.size(myfirstfile)## 64705144 bytes#install.packaes("data.table")
library(data.table)
newfile=fread("C:/Users/Vinod/Downloads/BigDiamonds.csv")##
Read 36.8% of 598024 rows
Read 56.9% of 598024 rows
Read 85.3% of 598024 rows
Read 598024 rows and 13 (of 13) columns from 0.049 GB file in 00:00:05object.size(newfile)## 105830136 bytes