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Saturday May 5 16:48:06 2012

Page 1 ___ ____ ____ ____ ____tm /__ / ____/ / ____/ ___/ / /___/ / /___/ Statistics/Data Analysis User: Magdalena Alvarez de Toledo{space -6}

log: log type: opened on:

/Users/Maggie/Desktop/diamantes.smcl smcl 5 May 2012, 16:31:18

1 . insheet using "/Users/Maggie/Desktop/diamantes.csv" you must start with an empty dataset r(18); 2 . describe Contains datafrom /Users/Maggie/Desktop/diamantes.dta obs: 218 vars: 21 27 Apr 2012 03:10 size: 9,810 (99.9% of memory free) storage type int float byte byte byte byte byte byte byte byte byte byte byte byte byte float float float float float int display format %8.0g %9.0g %8.0g %8.0g %8.0g %8.0g %8.0g %8.0g %8.0g %8.0g %8.0g %8.0g %8.0g %8.0g %8.0g %9.0g %9.0g %9.0g %9.0g %9.0g %8.0g value label

variablename price carat cut color1 color2 color3 color4 color5 color6 clardum1 clardum2 clardum3 v13 polish symmetry depth table width v19 height volume Sorted by:

variable label Price Carat Cut

clardum3 Polish Symmetry Depth Table Width Depth Height Volume

3 . regress price carat Source Model Residual Total SS 3.1234e+09 4.6972e+09 7.8206e+09 df 1 216 217 MS 3.1234e+09 21746190.5 36039568.6Number of obs F( 1, 216) Prob > F R-squared Adj R-squared Root MSE = = = = = = 218 143.63 0.0000 0.3994 0.3966 4663.3

price carat _cons

Coef. 14011.77 -9538.859

Std. Err. 1169.15 2196.639

t 11.98 -4.34

P>|t| 0.000 0.000

[95% Conf. Interval] 11707.37 -13868.45 16316.17 -5209.268

Saturday May 5 16:48:06 2012 4 . correlate price carat (obs=218) price price carat 1.0000 0.6320 caratPage 2

1.0000

5 . regress price carat height depth width volume Source Model Residual Total SS 3.5658e+09 4.2548e+09 7.8206e+09 df 5 212 217 MS 713159983 20069747.5 36039568.6 Number of obs F( 5, 212) Prob > F R-squared Adj R-squared Root MSE = = = = = = 218 35.53 0.0000 0.4560 0.4431 4479.9

price carat height depth width volume _cons

Coef. -10285.21 30297.02 -367.5227 31450.76-293.5462 -246476.1

Std. Err. 10417 25984.17 1746.839 14232.06 145.354 112221

t -0.99 1.17 -0.21 2.21 -2.02 -2.20

P>|t| 0.325 0.245 0.834 0.028 0.045 0.029

[95% Conf. Interval] -30819.38 -20923.42 -3810.921 3396.294 -580.0705 -467688.1 10248.96 81517.47 3075.876 59505.24 -7.0219 -25264.12

6 . correlate price carat height depth width volume (obs=218) price price carat height depth widthvolume 1.0000 0.6320 0.5953 -0.2844 0.6582 0.6470 carat height depth width volume

1.0000 0.9559 -0.2820 0.9696 0.9920

1.0000 -0.0138 0.8826 0.9420

1.0000 -0.4790 -0.3440

1.0000 0.9872

1.0000

7 . regress price carat cut color1 color2 color3 color4 color5 color6 clardum1 clardum2 clardum3 polish > table height volume Source Model Residual Total SS 6.8958e+09 924747564 7.8206e+09df 17 200 217 MS 405637578 4623737.82 36039568.6 Number of obs F( 17, 200) Prob > F R-squared Adj R-squared Root MSE = = = = = = 218 87.73 0.0000 0.8818 0.8717 2150.3

Saturday May 5 16:48:06 2012

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price carat cut color1 color2 color3 color4 color5 color6 clardum1 clardum2 clardum3 polish symmetry depth table height volume _cons

Coef. 19509.31 161.8866 8707.279 8351.817 6966.9325996.184 3518.907 998.967 6538.649 7280.472 4388.482 122.6687 227.9067 -1140.173 -36.41836 20096.25 -132.8301 -12972.28

Std. Err. 6688.882 276.4771 721.4109 665.4731 568.5996 538.0453 503.0637 556.8859 1332.519 658.6464 329.4024 164.0792 168.4241 621.4614 91.45102 11812.77 66.89167 12762.35

t 2.92 0.59 12.07 12.55 12.25 11.14 6.99 1.79 4.91 11.05 13.32 0.75 1.35 -1.83 -0.40 1.70 -1.99 -1.02P>|t| 0.004 0.559 0.000 0.000 0.000 0.000 0.000 0.074 0.000 0.000 0.000 0.456 0.178 0.068 0.691 0.090 0.048 0.311

[95% Conf. Interval] 6319.525 -383.2975 7284.732 7039.574 5845.712 4935.215 2526.918 -99.15424 3911.059 5981.689 3738.935 -200.8785 -104.2081 -2365.63 -216.7503 -3197.31 -264.7336 -38138.31 32699.09 707.0707 10129.83 9664.061 8088.151 7057.154 4510.897 2097.088 9166.239 8579.254...