200 Group variable: city Number of groups = 280 R-squared: Obs per group: Wit...
Group variable: Code Number of obs = 210 Time variable : Year Number of groups = 30 Number of instruments = 32 Obs per group: min = 7 Wald chi2(15) = 145721.79 avg = 7.00 Prob > chi2 = 0.000 max = 7 --- GG | Coefficient Std. err. z P>|z| [95% conf. interval] ---+-...
the residuals are not correlated with eachother)正态分布:Normality (i.e., the residuals are normally distributed)回归结果包含的一些内容的意思l 各变差的自由度:For the ESS, df = k-1 where k = number of regression coefficients(df = 2 – 1)For ...
*输出回归中的各个结果 sysuse auto.dta, clear regress price turn gear putexcel set "results.xls", sheet("regress resutls") putexcel F1=("Number of obs") G1=(e(N)) putexcel F2=("F") G2=(e(F)) putexcel F3=("Prob > F") G3=(Ftail(e(df_m), e(df_r),e(F))) putexcel F4...
Every copy of Stata that we ship has passed a certification suite that includes 7.2 million lines of testing code that produces 6 million lines of output. Every number and piece of text from those 6 million lines of output is certified. We do not stop there. We provide Stata customers ...
qregpd ln_wage tenure union, id(idcode) fix(year) 结果为: xtset idcode year panel variable: idcode (unbalanced) time variable: year, 68 to 88, but with gaps delta: 1 unit . . desc Contains data from E:\2022年8月Stata课程2022.08.13--2022.08.15\Stata-202208\A4_panel\w ...
com/data/r17/auto, clear histogram mpg //mpg would be treated as continuous and categorized into eight bins by the default number-of-bins calculation (here N=74) graph save "$figures\histo_discrete01", replace histogram mpg, discrete //Adding the discrete option makes a histogram with a ...
Number of obs=758F(12,745) =46.94Prob> F =0.0000Total (centered) SS=139.2861498Centered R2 =0.4255Total (uncentered) SS=24652.24662Uncentered R2 =0.9968Residual SS=80.0182337Root MSE = .3249--- |Robust lw| Coef. Std. Err. z P>|z| [95%Conf. Interval]---+---...
Linear regression with endogenous treatment Number of obs = 1,210 Estimator: maximum likelihood Wald chi2(6) = 681.89 Log likelihood = -3051.575 Prob > chi2 = 0.0000 --- | Coef. Std. Err. z P>|z| [95% Conf. Interval] ---+--- wage | age |...
tabulate code if x1==极端值(作出x1等于极端值时code的频数分布表,code表示地区、年份等序列变量,这样便可找出那些地区的数值出现了错误) list code if x1==极端值(直接列出x1等于极端值时code的值,当x1的错误过多时,不建议使用该命令) list in -20/l(l表示last one,-20表示倒数第20个样本,该命令列出了...