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Effects of Data Scaling on Regression Analysis: An Example with Tobacco Consumption Data -, Study notes of Introduction to Econometrics

University of Maryland Introduction to Econometrics

Prof. Maureen L. Cropper

An analysis of the impact of data scaling on regression analysis using a tobacco consumption dataset. The original and scaled data, regression equations, and statistical measures such as r-squared and standard error. The study examines the relationship between weight, cigarette consumption, and famine, controlling for packs smoked per day.

Typology: Study notes

Pre 2010

Uploaded on 07/30/2009

koofers-user-3nq-1 🇺🇸

10 documents

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Partial preview of the text

Download Effects of Data Scaling on Regression Analysis: An Example with Tobacco Consumption Data - and more Study notes Introduction to Econometrics in PDF only on Docsity! [}(!/r.LJ/VG/4JR/lf13lkS TN J?E6fES:90N A1v4fSJS -.L. -".---- Table 6.1 Effects of Data Scaling -- -- --- --- (1) (2) (3) Dependent Variable bwght bwghtlbs bwght Independent Variables (()IJ;1cbJ ) (lJovnd.r) (OUYl Ua ) cigs (.smok.:u::I - .4634 -.0289 - perdo:f) (.0916) (.0057) packs - - -9.268 (1.832) famine (/,j cx:;o) .0927 .0058 .0927 (.0292) (.0018) (.0292) intercept 116.974 7.3109 116.974 (1.049) (.0656) (1.049) Observations 1,388 1,388 1,388 R-Squared .0298 .0298 .0298 SSR 557,485.51 2,177.6778 557,485.51 SER (8-) 20.063 1.2539 20.063 A ../\.. A. . Wjhl: ;56 f (6, C/'j5 -f ;62-!amlnC In 02::, In t/oo u--f dolkrs f\- A /'- bw:i!- 1>0 + 8- C-tfr /\"- /J? /to ' G - + / 1(P it, .- . t:ff/h //7 Ie, ';1 /bs , btifi +( *:20 r) r I1r/C ~ /\ '). --)K{'(t{,I( (5/::;: ~ (~i -- X )61~ -1;(- I (x{- x)~ //1} Wi }r(" ;;. /t) .J0 ;/1 (/) ~~ /j fA t1a /it citd 1, ~ Mfh f /YIUa-ujemht~ bv.} A if ~(~i ell? (5-); bo/h 4;' and ~ IVe afffcleJ. --- ----------- -- - - -

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