exporting a big dta file to excel
I am trying to export a 4 columns and 290 million rows dta to an excel file but stata tells me: . export excel cep_res using "SIH_ceps", firstrow(variables) too many or no observations specified...
View ArticleARIMA and Insufficient Observations
Hello everyone, I'm pretty new to STATA, especially ARIMA functions, and I've spent the past few hours trying to figure out where I'm going wrong. Problem I'm trying to make a basic ARIMA model with my...
View Articlerolling kernel regression with varying bandwidth
Hello All, Glad to become a member of Statalist. I am trying to use kernel regression to predict the variance of A based on the variance of B (measured as return squared). For the variance of B, at...
View ArticleHow to save output of psmatch2?
Hi! I am wondering the way of storing result of "psmatch2" in matrix, In case of T-test, I used following statement. mat T[1,1] = r(mu_1) mat T[1,2] = r(mu_2) mat T[1,3] = r(mu_1) - r(mu_2) mat T[1,4]...
View Articlemultilevel models and confidence interval (xtmixed)
I am running multi-level models using the xtmixed command in stata. I'm trying to make a graph that has mean predicted trajectory along with two confidence interval trajectories (upper and lower bounds...
View ArticleRESET after Tobit
How do I run a Ramsey RESET test on a Tobit and model? I am trying to replicate the procedure I have already seen in many papers And I know it is possible as I have read three papers that present the...
View ArticleHow can I replace values within a specific variable, with the labels...
I am trying to replace the values in a variable with the labels associated with those variables, but I want to avoid writing multiple replace ... if ... statements. I need to do this for 50 different...
View Articlecross-validation to find optimal bandwidth at each time t
Hello listers, My dataset is quite simple, only 3 columns, i.e. date, variance of A and variance of B. I am trying to use Nadaraya-Watson kernel regression to predict variance of A conditional on...
View Articleinteraction opposite signs
I have the following regression Leverage = @ + dummy + Cash + cashXdummy Dummy is 1 for international firms and zero for non-international. The results are puzzling Cash gives significant positive...
View ArticleUsing deviation coding (devcon) with linear regression
Has anyone used the devcon command with linear regression? I've been working with this and could use some advice on whether I've run this correctly. I have two variables - one a continuous variable...
View ArticleWays to clean ICD9 codes
I'm a newbie, and trying to clean up an ICD9 string variable that has some errant codes. An example is 530.809999999999999 which should be 530.81 I've tried using recode, and this is what I get: ....
View Articlecopying a value within group
Dear all, I need help about the following issue: Target: In my data there exists a variable, x. Within each group of observations identified by a unique id (call the variable boxnumber), x is missing...
View Articleif command
I do not know why my -if command- below is not working. foreach a in 03 04 05 06 07 08 09 10 11 12 13 14 { foreach p in 01 02 03 04 05 06 07 08 09 10 11 12 { use RJ`i'`a'`p'.dta, clear if `a'==03 &...
View ArticleSimulate (Monte Carlo) how to estimate the R-Squared, t-ratio, HAC t stats...
Dear all, I am trying to run a simulation for my MSc thesis, which is basically comes down to this: program define myreg drop et ut Vmin1 V V1 R R1 time set obs 660 gen time =_n tsset time mat sigma =...
View ArticleHow can I create a country-specific time trend in a panel model?
Hi Statalist-users, I am trying to run a panel data model with 19 countries across 10 years to observe the investment flows into each country. For that i have run a fixed effect model and also added...
View ArticleMap Letters to positions in alphabet
Hi. I'd like to generate a variable that contains the relative positions of letters (in another var) in the alphabet. For example: : var1 new_var A 1 B 2 C 3 C 3 X 24 What's an elegant way to do this?
View ArticleAdd labels in ttdendro command
I tried to add labels for the "tree leaves" in the ttdendro graphs using the labels(varname) option. But the feedback said this option is not allowed in the ttdendro. Since the documentation said all...
View ArticleCollapsing every group of 4 observations
Hello, I have some data which looks like this (although there are many more variables) Mar-1960 10 11 Jun-1960 22 21 Sep-1960 913 713 Dec-1960 1982 8311 This pattern repeats for a number of years. The...
View ArticlePutexcel command works on one computer but does not work on another computer...
I have a user that gets this on one server. On another server it works correctly. . putexcel A1=("Poverty and SN Table") using allpovtest, replace //TITLE using not allowed r(101); We updated the...
View Articleputexcel error: "using not allowed"
I read this forum all the time, but I'm new to posting, so please forgive any mistakes. I just installed the October 29th Stata update, and now all my code involving the "putexcel" command is returning...
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