you would rather use f(b_hat, N) if only you knew it. For most estimators, we do not know f(b_hat, N), so we use g(b_hat), and we do tests using normals and chi-squareds.
reg a b1 c1,r eststo m1 % 模型1 reg a b2 c2,r eststo m2 % 模型2 ... esttab, se ar2 % 给出observations和adjusted R square 用latex将回归的表格表示出来: 将回归的表格导入到excel,建议使用.csv,用.xls显示文件格式与扩展名不匹配。 esttab using 文件名.csv, se ar2 esttab using 文件名.c...
Test of H0: no small-study effects P = 0.215 期刊排版 Fig. 2 shows the funnel plot of the estimated willingness to pay in relation to the precision, i.e. the square root of the sample size in the absence of information on the standard errors (Stanley and Rosenberger, 2009). It is o...
XTTEST2: Stata module to perform Breusch-Pagan LM test for cross-sectional correlation in panel data model 153 SEG: Stata module to compute multiple-group diversity and segregation indices 154 CENTER: Stata module to center (or standardize) variables 155 KPSS: Stata module to compute Kwiatkowski-P...
PROC FREQ gave chi-squared = 4.515. Royston’sptrendand the Cochran–Armitage test Let’s now use Patrick Royston’sptrendcommand. Patrick posted hisptrendcommand on Statalist. The data must look like the following for this command: . list ...
display chi2tail(……) (3)必要补充 F值和LM值转换为P值的命令: display Ftail(n1,n2,a)(利用F值求p值,n1表示分子除数,n2表示分母除数,a为F值) display chi2tail(n3,b)(利用LM值求p值,n3表示自由度的损失量,一般等于n1,b为LM值) 异方差的纠正——WLS(weighted least square estimator) ...
Chi2=Pearson chi-square test of independence ta maage_group, plot tab1 x1 x2 x3 x4 = tab x1 / tab x2…….tab2 x1 x2 x3 x4 tab all possible two-way..ta paedu, sum(crime) By levels of paedu, summarize crime tabstat score, stats(mean sd n max min…) by (subject) median, ...
Using thefinditcommand, Stata can search and install user-written Stata packages on your machine. But why do we need an archive for searching through packages, viewing them on ado and the help files online, and downloading them? My main argument is that user-written Stata packages are thesou...
Tabulate var1 var2,row nof chi2 Row:要求输出行百分比 Nof:表示不要显示频数 相关:x和Y都是连续变量 相关系数R,R范围为[-1,+1] 相关系数的假设检验,可用t检验, 相关系数(correlation coefficient)r可通过stata实现, Corr var1 var2 n 为观测值(obs:Observed value) ...
S458878 LIANXH: Stata module to Search and share Stata resources and blogs within Stata Command Window byLian Yu-jun & Junjie Kang & Qingqing Liu S458877 TTABLE3: Stata module to perform Mean or Median Comparison byLian Yu-jun S458876 REGFIT: Stata module to Output The Equation of a Regr...