/************************************************************************************************/ /* Stata User File for H144B Data */ /* */ /* This file contains information and a sample Stata program to create a permanent */ /* Stata dataset for users who want to use Stata in processing the MEPS data provided */ /* in this PUF release. Stata (StataCorp) has the capability to produce */ /* appropriate standard errors for estimates from a survey with a complex sample */ /* design such as the Medical Expenditure Panel Survey (MEPS). */ /* The input file for creating a permanent Stata dataset is the ASCII data file */ /* (H144B.DAT) supplied in this PUF release, which in turn can be extracted from the */ /* .EXE file. After entering the Stata interactive environment access the Stata DO-File */ /* editor by clicking on the appropriate icon in the command line at the top of the */ /* screen. Copy and paste the following Stata commands into the editor and save as a */ /* DO file. A DO file is a Stata program which may then be executed using the DO command. */ /* For example, if the DO file is named H144B.DO and is located in the directory */ /* C:\MEPS\PROG, then the file may be executed by typing the following command into */ /* the Stata command line: */ /* do C:\MEPS\PROG\H144B.DO */ /* The program below will output the Stata dataset H144B.DTA */ /************************************************************************************************/ #delimit ; cd C:\MEPS\DATA; log using H144B.log, replace; clear; * INPUT ALL VARIABLES; infix long DUID 1-5 int PID 6-8 str DUPERSID 9-16 str EVNTIDX 17-28 byte EVENTRN 29-29 str FFEEIDX 30-41 byte PANEL 42-43 int DVDATEYR 44-47 byte DVDATEMM 48-49 byte DVDATEDD 50-51 byte GENDENT 52-53 byte DENTHYG 54-55 byte DENTTECH 56-57 byte DENTSURG 58-59 byte ORTHODNT 60-61 byte ENDODENT 62-63 byte PERIODNT 64-65 byte DENTYPE 66-67 byte EXAMINE 68-69 byte CLENTETX 70-71 byte CLENTETH 72-73 byte JUSTXRAY 74-75 byte FLUORIDE 76-77 byte SEALANT 78-79 byte FILLINGX 80-81 byte FILLING 82-83 byte INLAY 84-85 byte CROWNSX 86-87 byte CROWNS 88-89 byte ROOTCANX 90-91 byte ROOTCANL 92-93 byte GUMSURGX 94-95 byte GUMSURG 96-97 byte RECLVISX 98-99 byte RECLVIS 100-101 byte EXTRACT 102-103 byte IMPLANTX 104-105 byte IMPLANT 106-107 byte ABSCESS 108-109 byte ORALSURX 110-111 byte ORALSURG 112-113 byte BRIDGESX 114-115 byte BRIDGES 116-117 byte DENTUREX 118-119 byte DENTURES 120-121 byte REPAIR 122-123 byte REPAIRX 124-125 byte ORTHDONX 126-127 byte ORTHDONT 128-129 byte WHITENX 130-131 byte WHITEN 132-133 byte TMDTMJ 134-135 byte DENTPROX 136-137 byte DENTPROC 138-139 str DENTOTHX 140-164 str DENTOTHR 165-189 byte DENTMED 190-191 byte FFDVTYPE 192-193 byte FFBEF11 194-195 byte FFTOT12 196-197 double DVSF11X 198-205 double DVMR11X 206-212 double DVMD11X 213-219 double DVPV11X 220-226 double DVVA11X 227-232 double DVTR11X 233-239 double DVOF11X 240-246 double DVSL11X 247-253 double DVWC11X 254-259 double DVOR11X 260-266 double DVOU11X 267-273 double DVOT11X 274-280 double DVXP11X 281-288 double DVTC11X 289-296 byte IMPFLAG 297-297 double PERWT11F 298-310 int VARSTR 311-314 byte VARPSU 315-315 using H144B.dat; *DEFINE VARIABLE LABELS; label variable DUID "DWELLING UNIT ID"; label variable PID "PERSON NUMBER"; label variable DUPERSID "PERSON ID (DUID + PID)"; label variable EVNTIDX "EVENT ID"; label variable EVENTRN "EVENT ROUND NUMBER"; label variable FFEEIDX "FLAT FEE ID"; label variable PANEL "PANEL NUMBER"; label variable DVDATEYR "EVENT DATE - YEAR"; label variable DVDATEMM "EVENT DATE - MONTH"; label variable DVDATEDD "EVENT DATE - DAY"; label variable GENDENT "GENERAL DENTIST SEEN"; label variable DENTHYG "DENTAL HYGIENIST SEEN"; label variable DENTTECH "DENTAL TECHNICIAN SEEN"; label variable DENTSURG "DENTAL SURGEON SEEN"; label variable ORTHODNT "ORTHODONTIST SEEN"; label variable ENDODENT "ENDODONTIST SEEN"; label variable PERIODNT "PERIODONTIST SEEN"; label variable DENTYPE "OTHER DENTAL SPECIALIST SEEN"; label variable EXAMINE "GENERAL EXAM OR CONSULTATION"; label variable CLENTETX "EDITED CLENTETH"; label variable CLENTETH "CLEANING, PROPHYLAXIS, OR POLISHING"; label variable JUSTXRAY "X-RAYS, RADIOGRAPHS OR BITEWINGS"; label variable FLUORIDE "FLUORIDE TREATMENT"; label variable SEALANT "SEALANT APPLICATION"; label variable FILLINGX "EDITED FILLING"; label variable FILLING "FILLINGS"; label variable INLAY "INLAYS"; label variable CROWNSX "EDITED CROWNS"; label variable CROWNS "CROWNS OR CAPS"; label variable ROOTCANX "EDITED ROOTCANL"; label variable ROOTCANL "ROOT CANAL"; label variable GUMSURGX "EDITED GUMSURG"; label variable GUMSURG "PERIODONTAL SCALING, ROOT PLANING OR GUM"; label variable RECLVISX "EDITED RECLVIS"; label variable RECLVIS "PERIODONTAL RECALL VISIT"; label variable EXTRACT "EXTRACTION, TOOTH PULLED"; label variable IMPLANTX "EDITED IMPLANT"; label variable IMPLANT "IMPLANTS"; label variable ABSCESS "ABSCESS OR INFECTION TREATMENT"; label variable ORALSURX "EDITED ORALSURG"; label variable ORALSURG "ORAL SURGERY"; label variable BRIDGESX "EDITED BRIDGES"; label variable BRIDGES "BRIDGES"; label variable DENTUREX "EDITED DENTURES"; label variable DENTURES "DENTURES OR PARTIAL DENTURES"; label variable REPAIR "REPAIR OF BRIDGES/DENTURES OR RELINING"; label variable REPAIRX "EDITED REPAIR"; label variable ORTHDONX "EDITED ORTHDONT"; label variable ORTHDONT "ORTHODONTIA, BRACES OR RETAINERS"; label variable WHITENX "EDITED WHITEN"; label variable WHITEN "BONDING, WHITENING, OR BLEACHING"; label variable TMDTMJ "TREATMENT FOR TMD OR TMJ"; label variable DENTPROX "EDITED DENTPROC"; label variable DENTPROC "OTHER DENTAL PROCEDURES"; label variable DENTOTHX "EDITED DENTOTHR"; label variable DENTOTHR "OTHER SPECIFIED DENTAL PROCEDURES"; label variable DENTMED "RECEIVED MEDICINE INCLUDING FREE SAMPLE"; label variable FFDVTYPE "FLAT FEE BUNDLE"; label variable FFBEF11 "TOTAL # OF VISITS IN FF BEFORE 2011"; label variable FFTOT12 "TOTAL # OF VISITS IN FF AFTER 2011"; label variable DVSF11X "AMOUNT PAID, FAMILY (IMPUTED)"; label variable DVMR11X "AMOUNT PAID, MEDICARE (IMPUTED)"; label variable DVMD11X "AMOUNT PAID, MEDICAID (IMPUTED)"; label variable DVPV11X "AMOUNT PAID, PRIVATE INSURANCE (IMPUTED)"; label variable DVVA11X "AMOUNT PAID, VETERANS/CHAMPVA(IMPUTED)"; label variable DVTR11X "AMOUNT PAID, TRICARE(IMPUTED)"; label variable DVOF11X "AMOUNT PAID, OTHER FEDERAL (IMPUTED)"; label variable DVSL11X "AMOUNT PAID, STATE & LOCAL GOV (IMPUTED)"; label variable DVWC11X "AMOUNT PAID, WORKERS COMP (IMPUTED)"; label variable DVOR11X "AMOUNT PAID, OTHER PRIVATE (IMPUTED)"; label variable DVOU11X "AMOUNT PAID, OTHER PUBLIC (IMPUTED)"; label variable DVOT11X "AMOUNT PAID, OTHER INSURANCE (IMPUTED)"; label variable DVXP11X "SUM OF DVSF11X-DVOT11X (IMPUTED)"; label variable DVTC11X "HHLD REPORTED TOTAL CHARGE (IMPUTED)"; label variable IMPFLAG "IMPUTATION STATUS"; label variable PERWT11F "EXPENDITURE FILE PERSON WEIGHT, 2011"; label variable VARSTR "VARIANCE ESTIMATION STRATUM, 2011"; label variable VARPSU "VARIANCE ESTIMATION PSU, 2011"; *DEFINE VALUE LABELS FOR REPORTS; label define H144B0001X -1 "-1 INAPPLICABLE" -7 "-7 REFUSED" -8 "-8 DK" -9 "-9 NOT ASCERTAINED" 1 "1 YES" 2 "2 NO" ; label define H144B0002X -1 "-1 INAPPLICABLE" -7 "-7 REFUSED" -8 "-8 DK" -9 "-9 NOT ASCERTAINED" 1 "1 YES" 2 "2 NO" ; label define H144B0003X -1 "-1 INAPPLICABLE" -7 "-7 REFUSED" -8 "-8 DK" -9 "-9 NOT ASCERTAINED" 1 "1 YES" 2 "2 NO" ; label define H144B0004X -1 "-1 INAPPLICABLE" -7 "-7 REFUSED" -8 "-8 DK" -9 "-9 NOT ASCERTAINED" 1 "1 YES" 2 "2 NO" ; label define H144B0005X -1 "-1 INAPPLICABLE" -7 "-7 REFUSED" -8 "-8 DK" -9 "-9 NOT ASCERTAINED" 1 "1 YES" 2 "2 NO" ; label define H144B0006X -1 "-1 INAPPLICABLE" -7 "-7 REFUSED" -8 "-8 DK" -9 "-9 NOT ASCERTAINED" 1 "1 YES" 2 "2 NO" ; label define H144B0007X -1 "-1 INAPPLICABLE" -7 "-7 REFUSED" -8 "-8 DK" -9 "-9 NOT ASCERTAINED" 1 "1 YES" 2 "2 NO" ; label define H144B0008X -1 "-1 INAPPLICABLE" -7 "-7 REFUSED" -8 "-8 DK" -9 "-9 NOT ASCERTAINED" 1 "1 YES" 2 "2 NO" ; label define H144B0009X -1 "-1 INAPPLICABLE" -7 "-7 REFUSED" -8 "-8 DK" -9 "-9 NOT ASCERTAINED" 1 "1 YES" 2 "2 NO" ; label define H144B0010X -1 "-1 INAPPLICABLE" -7 "-7 REFUSED" -8 "-8 DK" -9 "-9 NOT ASCERTAINED" 1 "1 YES" 2 "2 NO" ; label define H144B0011X -1 "-1 INAPPLICABLE" -7 "-7 REFUSED" -8 "-8 DK" -9 "-9 NOT ASCERTAINED" 1 "1 YES" 2 "2 NO" ; label define H144B0012X -1 "-1 INAPPLICABLE" -7 "-7 REFUSED" -8 "-8 DK" -9 "-9 NOT ASCERTAINED" 1 "1 YES" 2 "2 NO" ; label define H144B0013X -1 "-1 INAPPLICABLE" -7 "-7 REFUSED" -8 "-8 DK" -9 "-9 NOT ASCERTAINED" 1 "1 YES" 2 "2 NO" ; label define H144B0014X -1 "-1 INAPPLICABLE" -7 "-7 REFUSED" -8 "-8 DK" -9 "-9 NOT ASCERTAINED" 1 "1 YES" 2 "2 NO" ; label define H144B0015X -1 "-1 INAPPLICABLE" -7 "-7 REFUSED" -8 "-8 DK" -9 "-9 NOT ASCERTAINED" 1 "1 YES" 2 "2 NO" ; label define H144B0016X -1 "-1 INAPPLICABLE" -7 "-7 REFUSED" -8 "-8 DK" -9 "-9 NOT ASCERTAINED" 1 "1 YES" 2 "2 NO" ; label define H144B0017X -1 "-1 INAPPLICABLE" -7 "-7 REFUSED" -8 "-8 DK" -9 "-9 NOT ASCERTAINED" ; label define H144B0018X -1 "-1 INAPPLICABLE" -7 "-7 REFUSED" -8 "-8 DK" -9 "-9 NOT ASCERTAINED" ; label define H144B0019X -1 "-1 INAPPLICABLE" -7 "-7 REFUSED" -8 "-8 DK" -9 "-9 NOT ASCERTAINED" 2011 "2011" ; label define H144B0020X -9 "-9 NOT ASCERTAINED" 0 "0" ; label define H144B0021X -9 "-9 NOT ASCERTAINED" 0 "0" ; label define H144B0022X -9 "-9 NOT ASCERTAINED" 0 "0" ; label define H144B0023X -9 "-9 NOT ASCERTAINED" 0 "0" ; label define H144B0024X -9 "-9 NOT ASCERTAINED" 0 "0" ; label define H144B0025X -9 "-9 NOT ASCERTAINED" 0 "0" ; label define H144B0026X -9 "-9 NOT ASCERTAINED" 0 "0" ; label define H144B0027X -9 "-9 NOT ASCERTAINED" 0 "0" ; label define H144B0028X -9 "-9 NOT ASCERTAINED" 0 "0" ; label define H144B0029X -9 "-9 NOT ASCERTAINED" 0 "0" ; label define H144B0030X -9 "-9 NOT ASCERTAINED" 0 "0" ; label define H144B0031X -9 "-9 NOT ASCERTAINED" 0 "0" ; label define H144B0032X -9 "-9 NOT ASCERTAINED" 0 "0" ; label define H144B0033X -1 "-1 INAPPLICABLE" -7 "-7 REFUSED" -8 "-8 DK" -9 "-9 NOT ASCERTAINED" 1 "1 YES" 2 "2 NO" ; label define H144B0034X 1 "ROUND 1" 2 "ROUND 2" 3 "ROUND 3" 4 "ROUND 4" 5 "ROUND 5" ; label define H144B0035X -1 "-1 INAPPLICABLE" -7 "-7 REFUSED" -8 "-8 DK" -9 "-9 NOT ASCERTAINED" 1 "1 YES" 2 "2 NO" ; label define H144B0036X -1 "-1 INAPPLICABLE" -7 "-7 REFUSED" -8 "-8 DK" -9 "-9 NOT ASCERTAINED" 1 "1 YES" 2 "2 NO" ; label define H144B0037X -1 "-1 INAPPLICABLE" -7 "-7 REFUSED" -8 "-8 DK" -9 "-9 NOT ASCERTAINED" 0 "0" ; label define H144B0038X -1 "-1 INAPPLICABLE" -7 "-7 REFUSED" -8 "-8 DK" -9 "-9 NOT ASCERTAINED" 1 "1 FLAT FEE STEM" 2 "2 FLAT FEE LEAF" ; label define H144B0039X -1 "-1 INAPPLICABLE" -7 "-7 REFUSED" -8 "-8 DK" -9 "-9 NOT ASCERTAINED" 0 "0" ; label define H144B0040X -1 "-1 INAPPLICABLE" -7 "-7 REFUSED" -8 "-8 DK" -9 "-9 NOT ASCERTAINED" 1 "1 YES" 2 "2 NO" ; label define H144B0041X -1 "-1 INAPPLICABLE" -7 "-7 REFUSED" -8 "-8 DK" -9 "-9 NOT ASCERTAINED" 1 "1 YES" 2 "2 NO" ; label define H144B0042X -1 "-1 INAPPLICABLE" -7 "-7 REFUSED" -8 "-8 DK" -9 "-9 NOT ASCERTAINED" 1 "1 YES" 2 "2 NO" ; label define H144B0043X -1 "-1 INAPPLICABLE" -7 "-7 REFUSED" -8 "-8 DK" -9 "-9 NOT ASCERTAINED" 1 "1 YES" 2 "2 NO" ; label define H144B0044X -1 "-1 INAPPLICABLE" -7 "-7 REFUSED" -8 "-8 DK" -9 "-9 NOT ASCERTAINED" 1 "1 YES" 2 "2 NO" ; label define H144B0045X -1 "-1 INAPPLICABLE" -7 "-7 REFUSED" -8 "-8 DK" -9 "-9 NOT ASCERTAINED" 1 "1 YES" 2 "2 NO" ; label define H144B0046X 0 "0 NOT ELIGIBLE FOR IMPUTATION" 1 "1 COMPLETE HC DATA" 2 "2 COMPLETE MPC DATA" 3 "3 FULLY IMPUTED" 4 "4 PARTIALLY IMPUTED" 5 "5 CAPITATION IMPUTATION" ; label define H144B0047X -1 "-1 INAPPLICABLE" -7 "-7 REFUSED" -8 "-8 DK" -9 "-9 NOT ASCERTAINED" 1 "1 YES" 2 "2 NO" ; label define H144B0048X -1 "-1 INAPPLICABLE" -7 "-7 REFUSED" -8 "-8 DK" -9 "-9 NOT ASCERTAINED" 1 "1 YES" 2 "2 NO" ; label define H144B0049X -1 "-1 INAPPLICABLE" -7 "-7 REFUSED" -8 "-8 DK" -9 "-9 NOT ASCERTAINED" 1 "1 YES" 2 "2 NO" ; label define H144B0050X -1 "-1 INAPPLICABLE" -7 "-7 REFUSED" -8 "-8 DK" -9 "-9 NOT ASCERTAINED" 1 "1 YES" 2 "2 NO" ; label define H144B0051X -1 "-1 INAPPLICABLE" -7 "-7 REFUSED" -8 "-8 DK" -9 "-9 NOT ASCERTAINED" 1 "1 YES" 2 "2 NO" ; label define H144B0052X -1 "-1 INAPPLICABLE" -7 "-7 REFUSED" -8 "-8 DK" -9 "-9 NOT ASCERTAINED" 1 "1 YES" 2 "2 NO" ; label define H144B0053X -1 "-1 INAPPLICABLE" -7 "-7 REFUSED" -8 "-8 DK" -9 "-9 NOT ASCERTAINED" 1 "1 YES" 2 "2 NO" ; label define H144B0054X -1 "-1 INAPPLICABLE" -7 "-7 REFUSED" -8 "-8 DK" -9 "-9 NOT ASCERTAINED" 1 "1 YES" 2 "2 NO" ; label define H144B0055X -1 "-1 INAPPLICABLE" -7 "-7 REFUSED" -8 "-8 DK" -9 "-9 NOT ASCERTAINED" 1 "1 YES" 2 "2 NO" ; label define H144B0056X 15 "PANEL 15" 16 "PANEL 16" ; label define H144B0057X -1 "-1 INAPPLICABLE" -7 "-7 REFUSED" -8 "-8 DK" -9 "-9 NOT ASCERTAINED" 1 "1 YES" 2 "2 NO" ; label define H144B0058X -1 "-1 INAPPLICABLE" -7 "-7 REFUSED" -8 "-8 DK" -9 "-9 NOT ASCERTAINED" 1 "1 YES" 2 "2 NO" ; label define H144B0059X -1 "-1 INAPPLICABLE" -7 "-7 REFUSED" -8 "-8 DK" -9 "-9 NOT ASCERTAINED" 1 "1 YES" 2 "2 NO" ; label define H144B0060X -1 "-1 INAPPLICABLE" -7 "-7 REFUSED" -8 "-8 DK" -9 "-9 NOT ASCERTAINED" 1 "1 YES" 2 "2 NO" ; label define H144B0061X -1 "-1 INAPPLICABLE" -7 "-7 REFUSED" -8 "-8 DK" -9 "-9 NOT ASCERTAINED" 1 "1 YES" 2 "2 NO" ; label define H144B0062X -1 "-1 INAPPLICABLE" -7 "-7 REFUSED" -8 "-8 DK" -9 "-9 NOT ASCERTAINED" 1 "1 YES" 2 "2 NO" ; label define H144B0063X -1 "-1 INAPPLICABLE" -7 "-7 REFUSED" -8 "-8 DK" -9 "-9 NOT ASCERTAINED" 1 "1 YES" 2 "2 NO" ; label define H144B0064X -1 "-1 INAPPLICABLE" -7 "-7 REFUSED" -8 "-8 DK" -9 "-9 NOT ASCERTAINED" 1 "1 YES" 2 "2 NO" ; label define H144B0065X -1 "-1 INAPPLICABLE" -7 "-7 REFUSED" -8 "-8 DK" -9 "-9 NOT ASCERTAINED" 1 "1 YES" 2 "2 NO" ; label define H144B0066X -1 "-1 INAPPLICABLE" -7 "-7 REFUSED" -8 "-8 DK" -9 "-9 NOT ASCERTAINED" 1 "1 YES" 2 "2 NO" ; label define H144B0067X -1 "-1 INAPPLICABLE" -7 "-7 REFUSED" -8 "-8 DK" -9 "-9 NOT ASCERTAINED" 1 "1 YES" 2 "2 NO" ; * ASSOCIATE VARIABLES WITH VALUE LABEL DEFINITIONS; label value ABSCESS H144B0001X; label value BRIDGES H144B0002X; label value BRIDGESX H144B0003X; label value CLENTETH H144B0004X; label value CLENTETX H144B0005X; label value CROWNS H144B0006X; label value CROWNSX H144B0007X; label value DENTHYG H144B0008X; label value DENTMED H144B0009X; label value DENTPROC H144B0010X; label value DENTPROX H144B0011X; label value DENTSURG H144B0012X; label value DENTTECH H144B0013X; label value DENTURES H144B0014X; label value DENTUREX H144B0015X; label value DENTYPE H144B0016X; label value DVDATEDD H144B0017X; label value DVDATEMM H144B0018X; label value DVDATEYR H144B0019X; label value DVMD11X H144B0020X; label value DVMR11X H144B0021X; label value DVOF11X H144B0022X; label value DVOR11X H144B0023X; label value DVOT11X H144B0024X; label value DVOU11X H144B0025X; label value DVPV11X H144B0026X; label value DVSF11X H144B0027X; label value DVSL11X H144B0028X; label value DVTC11X H144B0029X; label value DVTR11X H144B0030X; label value DVVA11X H144B0031X; label value DVXP11X H144B0032X; label value ENDODENT H144B0033X; label value EVENTRN H144B0034X; label value EXAMINE H144B0035X; label value EXTRACT H144B0036X; label value FFBEF11 H144B0037X; label value FFDVTYPE H144B0038X; label value FFTOT12 H144B0039X; label value FILLING H144B0040X; label value FILLINGX H144B0041X; label value FLUORIDE H144B0042X; label value GENDENT H144B0043X; label value GUMSURG H144B0044X; label value GUMSURGX H144B0045X; label value IMPFLAG H144B0046X; label value IMPLANT H144B0047X; label value IMPLANTX H144B0048X; label value INLAY H144B0049X; label value JUSTXRAY H144B0050X; label value ORALSURG H144B0051X; label value ORALSURX H144B0052X; label value ORTHDONT H144B0053X; label value ORTHDONX H144B0054X; label value ORTHODNT H144B0055X; label value PANEL H144B0056X; label value PERIODNT H144B0057X; label value RECLVIS H144B0058X; label value RECLVISX H144B0059X; label value REPAIR H144B0060X; label value REPAIRX H144B0061X; label value ROOTCANL H144B0062X; label value ROOTCANX H144B0063X; label value SEALANT H144B0064X; label value TMDTMJ H144B0065X; label value WHITEN H144B0066X; label value WHITENX H144B0067X; *DISPLAY A DESCRIPTION OF STATA FILE; describe; *LIST FIRST 20 OBSERVATIONS IN THE FILE; list in 1/20; save H144B, replace; #delimit cr * data file is stored in H144B.dta * log file is stored in H144B.log log close /************************************************************************************************ NOTES: 1. This program has been tested on Stata Version 10 (for Windows). 2. This program will create a permanent Stata dataset. All additional analyses can be run using this dataset. In addition to the dataset, this program creates a log file named H144B.LOG and a data file named H144B.DTA. If these files (H144B.DTA and H144B.LOG) already exist in the working directory, they will be replaced when this program is executed. 3. If the program ends prematurely, the log file will remain open. Before running this program again, the user should enter the following Stata command: log close 4. The cd command assigns C:\MEPS\DATA as the working directory and location of the input ASCII and output .DTA and .LOG files and can be modified by the user as necessary. 5. Stata commands end with a carriage return by default. The command #delimit ; temporarily changes the command ending delimiter from a carriage return to a semicolon. 6. The infix command assumes that the input variables are numeric unless the variable name is prefaced by str. For example, DUPERSID is the a string (or character) variable. ************************************************************************************************/