tabstat display min and max
Dear statalisters, I have used Code: tabstat xvar1 xvar2 xvar3, s(n mean sd p50 ) How can I add min and max to this statement ? Thanks, Rochelle
View ArticleAutomating graph titles including string variables
I am using Stata 13.1 to generate diagnostic graphs for visually inspecting unbalanced time series data. Each observation is a city i in year j. I have included a sample dataset at the bottom of this...
View ArticlePrediction of a specific variable after the estimation
I want to calculate the predicted mean of hours in order to make comparisons with the actually mean of hours. The output of the stata is the following : PHP Code: mixlogit didep hours if sex==1 &...
View Article-todate- generates a Post-Classical date in year 206, from an observation in...
Hello, I'm using -todate- to convert string dates (yyyymmdd) to Stata dates. The following reproducible code generates a date of "12 May 206", which is puzzling given that the original string date...
View ArticleHow to compare two correlation coefficients within the same sample?
Let's say we have y being predicted by x1 and x2 such that y=a+b1*x1+b2*x2+e. How do we compare b1 and b2 and if the differences between b1 and b2 are significant?
View ArticleHow to open multiple DBF files in Stata or how to convert multpile DBF files...
Hey guys Im trying to convert or to open from stata multiple dbf files (864 to be exact). I read the answer Nuno Soares elaborated for a similar case using 3000 excel files...
View ArticleEndogenous Variable Fixed Effect
Hello Everyone, How do I test for the endogenaity of a variable when running a fixed effect in Stata? I have an IV for that variable, but I am not sure if it will be necessary (I rather not use the...
View ArticleIdentifying/dropping observations based on frequency of one variable within...
Sample data: Business | Client | Purchases WalMart | Bob | $10 WalMart | Bob | $15 WalMart | Joe | $10 Kmart | Susan | $20 Kmart | Joe | $10 Kmart | Jane | $30 Kmart | Jane | $10 Kmart | Jane | $20...
View ArticlePanel data: Ranking entities by average of a variable
Hi Stata folks, I have an unbalanced panel data of firms i at time t. I have a variable, say x for every firm at every point in time. I took the average of x for every firm over time in the following...
View Articlesummation of all observations
Hi All I have the following data: num| No Yes | Total -----------+----------------------+---------- 0 | 493 457 | 950 1 | 108 183 | 291 2 | 114 179 | 293 3 | 142 202 | 344 4 | 155 202 | 357 What syntax...
View Articleactual vs predicted value
Dear all, i want to compare the actual with the predicted mean hours. I run the following model: PHP Code: mixlogit didep hours if sex==0 & marital_status==1, rand(disposable_income) id...
View ArticleHow to locally store the particular position of an observation for its...
Dear all, I´d like to compare the Values in two columns and if they mach, i´d like to know the difference between their timestamp. I have a dataset that looks like this: clear input str42 (pos ppos...
View ArticleCompare two observations - building groups and doing the analysis in Stata
Hello everyone, as an add-on to my thesis I want to do an analysis that displays the results as in the table down below. Array I am also investigating workforce change within a group but not on family...
View Articleproblems with temporary variables in my Ado-file
Hi all, I am pretty new to Stata mata language. I am trying to write a program to estimate risk preference parameters.After defining the program and arguments, i have created some temporary variables...
View ArticleThe book Practitioners Guide --BY Subal C.K
Dear All I just buy the book Practitioners Guide by Subal et al on Stochastic Frontier Ananlysis Using Stata. And to be able to use the Stata programs written by authors of the book I installed the...
View ArticleInstrumental Variables- Choosing between 2SLS, GMM2S and LIML
Hi, How can I find out which among 2SLS, GMM2S and LIML is most efficient? Like Hausman test helps to decide between fixed and random effects, is there any way I can find the most efficient estimation...
View ArticleFactor Variables with ivreg2
Hi, I am trying to include to control for industry and time effects in the following ivreg command: ivreg2 q2 (ocln= intcoverage mb) deta size risk age i.year i.industry, endog (ocln) but I am getting...
View ArticleDate time variable- keep based on year; month, date, only
I have a "date and time" variable (clock variable is the right terminology?) Code: . list OCCURED_DT in 1/1 +--------------------+ | OCCURED_DT | |--------------------| 1. | 28jun2016 21:20:00 |...
View ArticleGrowth-Inequality-Social Spending Decomposition
Dear all, I am trying to do a decomposition of changes in poverty following Datt and Ravallion (1992), with the extension made my Cortes (2014) in order to include how changes in public social...
View ArticleVariation of a parameter between contexts
I want to run an xtmixed model. My dependent variable is the agreement with the statement "Government should give everyone a job, who wants to work" on a scale from 1 to 5 (gov_job). My indenpent...
View Article