{smcl} {hline} {cmd:help: {helpb reset}}{space 55} {cmd:dialog:} {bf:{dialog reset}} {hline} {bf:{err:{dlgtab:Title}}} {bf: reset: REgression Specification Error Tests} {bf:{err:{dlgtab:Syntax}}} {p 4 8 6} {opt reset} {depvar} {indepvars} {ifin} {weight} , {opt nocons:tant} {opth vce(vcetype)}{p_end} {bf:{err:{dlgtab:Options}}} {p 2 10 2} {synoptset 13 tabbed}{...} {synopt :{opt nocons:tant}}suppress constant term{p_end} {synopt :{opth vce(vcetype)}}{it:vcetype} may be {opt ols}, {opt r:obust}, {opt cl:uster} {it:clustvar}, {opt boot:strap}, {opt jack:knife}, {opt hc2}, or {opt hc3}{p_end} {p2colreset}{...} {bf:{err:{dlgtab:Description}}} {p 2 2 2} {cmd:reset} calculates specification tests in regression analysis.{p_end} {p 2 4 2}{cmd:reset} can calculate 3 Specification Tests.{p_end} {cmd: 1- Ramsey Specification ResetF Test} {cmd: 2- DeBenedictis-Giles Specification ResetL Test} {cmd: 3- DeBenedictis-Giles Specification ResetS Test} {p 2 4 2}{cmd:reset} can calculate Functional Form White LM Test.{p_end} {bf:{err:{dlgtab:Saved Results}}} {p 2 4 2 }{cmd:reset} saves the following results in {cmd:r()}: Scalars {col 4}{cmd:r(resetf1)}{col 22}Ramsey Specification ResetF1 Test {col 4}{cmd:r(resetf1p)}{col 22}Ramsey Specification ResetF1 Test P-Value {col 4}{cmd:r(resetf2)}{col 22}Ramsey Specification ResetF2 Test {col 4}{cmd:r(resetf2p)}{col 22}Ramsey Specification ResetF2 Test P-Value {col 4}{cmd:r(resetf3)}{col 22}Ramsey Specification ResetF3 Test {col 4}{cmd:r(resetf3p)}{col 22}Ramsey Specification ResetF3 Test P-Value {col 4}{cmd:r(resetl1)}{col 22}DeBenedictis-Giles Specification ResetL1 Test {col 4}{cmd:r(resetl1p)}{col 22}DeBenedictis-Giles Specification ResetL1 Test P-Value {col 4}{cmd:r(resetl2)}{col 22}DeBenedictis-Giles Specification ResetL2 Test {col 4}{cmd:r(resetl2p)}{col 22}DeBenedictis-Giles Specification ResetL2 Test P-Value {col 4}{cmd:r(resetl3)}{col 22}DeBenedictis-Giles Specification ResetL3 Test {col 4}{cmd:r(resetl3p)}{col 22}DeBenedictis-Giles Specification ResetL3 Test P-Value {col 4}{cmd:r(resets1)}{col 22}DeBenedictis-Giles Specification ResetS1 Test {col 4}{cmd:r(resets1p)}{col 22}DeBenedictis-Giles Specification ResetS1 Test P-Value {col 4}{cmd:r(resets2)}{col 22}DeBenedictis-Giles Specification ResetS2 Test {col 4}{cmd:r(resets2p)}{col 22}DeBenedictis-Giles Specification ResetS2 Test P-Value {col 4}{cmd:r(resets3)}{col 22}DeBenedictis-Giles Specification ResetS3 Test {col 4}{cmd:r(resets3p)}{col 22}DeBenedictis-Giles Specification ResetS3 Test P-Value {col 4}{cmd:r(lmw)}{col 22}Functional Form White LM Test {col 4}{cmd:r(lmwp)}{col 22}Functional Form White LM Test P-Value {bf:{err:{dlgtab:Examples}}} {stata clear all} {stata sysuse reset.dta, clear} {stata reset y x1 x2} {stata return list} ====================================================== * REgression Specification Error Tests (RESET) * * Ho: Model is Specified - Ha: Model is Misspecified * ====================================================== ================================================== * Ramsey Specification ResetF Test * ================================================== * Ramsey RESETF1 Test: Y= X Yh2 = 11.787 P-Value > F(1, 13) 0.0044 * Ramsey RESETF2 Test: Y= X Yh2 Yh3 = 5.488 P-Value > F(2, 12) 0.0203 * Ramsey RESETF3 Test: Y= X Yh2 Yh3 Yh4 = 3.604 P-Value > F(3, 11) 0.0494 ================================================== * DeBenedictis-Giles Specification ResetL Test * ================================================== * Debenedictis-Giles ResetL1 Test = 3.873 P-Value > F(2, 12) 0.0504 * Debenedictis-Giles ResetL2 Test = 1.919 P-Value > F(4, 10) 0.1838 * Debenedictis-Giles ResetL3 Test = 1.052 P-Value > F(6, 8) 0.4598 ================================================== * DeBenedictis-Giles Specification ResetS Test * ================================================== * Debenedictis-Giles ResetS1 Test = 2.020 P-Value > F(2, 12) 0.1753 * Debenedictis-Giles ResetS2 Test = 0.886 P-Value > F(4, 10) 0.5067 * Debenedictis-Giles ResetS3 Test = 2.437 P-Value > F(6, 8) 0.1215 ================================================== * Functional Form White LM Test = 16.991 P-Value > Chi2(3) 0.0007 {bf:{err:{dlgtab:References}}} {p 4 8 2}DeBenedictis, L. F., Giles D. E. A. (1998) {cmd: "Diagnostic Testing in Econometrics: Variable Addition, RESET and Fourier Approximations",} {it:In: A. Ullah and D. E. A. Giles (Eds.), Handbook of Applied Economic Statistics. Marcel Dekker, New York}; 383-417. {p 4 8 2}Ramsey, J. B. (1969) {cmd: "Tests for Specification Errors in Classical Linear Least-Squares Regression Analysis",} {it: Journal of the Royal Statistical Society, Series B 31}; 350-371. {bf:{err:{dlgtab:Author}}} {hi:Emad Abd Elmessih Shehata} {hi:Assistant Professor} {hi:Agricultural Research Center - Agricultural Economics Research Institute - Egypt} {hi:Email: {browse "mailto:emadstat@hotmail.com":emadstat@hotmail.com}} {hi:WebPage:{col 27}{browse "http://emadstat.110mb.com/stata.htm"}} {hi:WebPage at IDEAS:{col 27}{browse "http://ideas.repec.org/f/psh494.html"}} {hi:WebPage at EconPapers:{col 27}{browse "http://econpapers.repec.org/RAS/psh494.htm"}} {bf:{err:{dlgtab:reset Citation}}} {phang}Shehata, Emad Abd Elmessih (2011){p_end} {phang}{cmd:RESET: "Stata Module to Calculate REgression Specification Error Tests"}{p_end} {browse "http://econpapers.repec.org/software/bocbocode/s457333.htm"} {browse "http://ideas.repec.org/c/boc/bocode/s457333.html"} {title:Also see} {p 4 12 2}Online: {helpb regress postestimation##estatovt}, {helpb ramsey} (if installed).{p_end} {psee} {p_end}