1. 10-14-2010
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Forum: Stata

Stata usage and programming, Stata help

  1. [Stata] - String values on axis of graph

    Hi there, I would like to create a graph with the value of a string variable in the x axis. Right now I can do line price id and I...

    Started by kungal‎, 09-02-2010 05:47 AM
    • Replies: 7
    • Views: 15,056
    10-08-2015, 10:08 AM Go to last post
  2. Annual percentage change in incidence

    Hello everyone Could you please give an idea to calculate annual percentage change in incidence in stata??

    Started by Bimi‎, 10-07-2015 09:52 AM
    • Replies: 2
    • Views: 160
    10-07-2015, 02:39 PM Go to last post
  3. String date to date variable

    I have a string variable containing dates (1/28/15) (DAateToday) and would like to make it a real date variable. I tried: gen...

    Started by Marvin85‎, 10-07-2015 01:22 PM
    date, string to date, td. mdy
    • Replies: 0
    • Views: 79
    10-07-2015, 01:22 PM Go to last post
  4. Question How to run regression by industry and year in STATA

    Hello, I am new to STATA and encountering problem to run regression by industry and year. I need to calculate residuals for each observation...

    Started by mtahir‎, 10-02-2015 09:10 AM
    • Replies: 0
    • Views: 194
    10-02-2015, 09:10 AM Go to last post
  5. identidication problem in nl estrimation (STATA)

    Dear All: I am trying to estimate the parapétters in the equation spccifyed in the file attached. Since it is quite non-liner, we have tryed...

    Started by lletelie‎, 09-22-2015 03:56 PM
    • Replies: 0
    • Views: 344
    09-22-2015, 03:56 PM Go to last post
  6. Keep duplicates with the highest value

    Dear all, I have a dataset with a lot of duplicates. I'm using this commands: then my dataset looks like that for example:

    Started by pelias2‎, 09-16-2015 09:31 AM
    • Replies: 1
    • Views: 414
    09-22-2015, 02:47 AM Go to last post
  7. Reweighting with bootstrapping and survey design

    Hello I am trying to do a DFL style reweighting with bootstrap weights and SEs. I have a 2 stage stratified sample over 5 rounds (repeated cross...

    Started by fatima_‎, 09-15-2015 02:06 PM
    • Replies: 0
    • Views: 237
    09-15-2015, 02:06 PM Go to last post
  8. Pie chart and percentage Stata

    Hello, I'm starting with Stata 13 and I'm trying to make a pie chart with the %s included. I have "press" all the "buttons" but nothing... It`s...

    Started by carlospbm‎, 09-13-2015 03:55 PM
    graphics, stata
    • Replies: 2
    • Views: 240
    09-14-2015, 03:59 PM Go to last post
  9. Obtaining summ of coefficients of lagged variables

    I am estimating the following regression: yi,t = a + b1xi,t + b2xi,t-1 + b3xi,t-2 + e How can I report, using outreg2, b2 + b3; that is, the...

    Started by jsaldain‎, 09-14-2015 06:22 AM
    • Replies: 0
    • Views: 127
    09-14-2015, 06:22 AM Go to last post
  10. preparing/scoring dataset

    Dear all, I really hope that somebody can help me out. I need to run a factoranalyse on two different scales (Regulatory focus and regulatory...

    Started by CorineSlab‎, 09-08-2015 02:50 AM
    • Replies: 1
    • Views: 355
    09-14-2015, 04:04 AM Go to last post
  11. Nomogram

    Hi everybody Are there any command in stata for drawing multivariable Nomogram?

    Started by milad‎, 09-05-2015 02:47 PM
    • Replies: 4
    • Views: 384
    09-06-2015, 03:32 PM Go to last post
  12. Dummy variable in meta-regression in Stata

    Cab meta-regression model be used to investigate dummy independent variables ( 0 and 1 variable) such as continues variables? How i can determine...

    Started by milad‎, 09-05-2015 02:44 PM
    • Replies: 0
    • Views: 149
    09-05-2015, 02:44 PM Go to last post
  13. Need help with the code to create a signle data file out of 1,200 txt's

    Hello dear forum members, My data include roughly 1,200 *.txt files, where (a) * is a 3 to 7 digit non-consecutive number representing...

    Started by kiton‎, 08-30-2015 10:05 AM
    data convertion, data entry, recoding
    • Replies: 1
    • Views: 312
    08-31-2015, 08:54 AM Go to last post
  14. Question Regression with two fixed effects in STATA 11

    Hello, I need to run a standard econometric model (a standard panel regression) with two fixed effects in STATA 11. Could you please help me and...

    Started by stata_s‎, 08-30-2015 12:00 PM
    code for this please, fixed effects model, panel data, stata 11
    • Replies: 0
    • Views: 207
    08-30-2015, 12:00 PM Go to last post
  15. Stata keeps deleting observations from a variable?

    Hi all, I am creating one variable from several dummy variables using gen newvarname=0 replace varname=1 if varname==1 replace varname=2 if...

    Started by georgina1‎, 08-28-2015 11:16 PM
    • Replies: 0
    • Views: 208
    08-28-2015, 11:16 PM Go to last post
  16. Change score in long format

    Hey guys. So I'm working on data and need to compute a change score. The data is panel data, where ID is country and I have 12 years. Here's my...

    Started by starpen‎, 08-27-2015 04:10 AM
    change score, lead, panel data
    • Replies: 0
    • Views: 211
    08-27-2015, 04:10 AM Go to last post
  17. imputations

    Dear all: I am working with data from a large cohort study in which participants were asked, retrospectively, about their work history. Data are...

    Started by sonia zam‎, 08-24-2015 05:53 PM
    • Replies: 0
    • Views: 268
    08-24-2015, 05:53 PM Go to last post
  18. Extract numbers from a string

    I have this data of duration in the following format:PT2H4M37S and I want to extract the hours, minutes and seconds separately. I tried to use...

    Started by kaisermuhle‎, 08-18-2015 05:47 AM
    • Replies: 6
    • Views: 414
    08-24-2015, 02:03 AM Go to last post
  19. CIF with 95% confidence interval STATA 13

    I wanted to ask for help on how to draw the CIF curve after a competing risk analysis in STATA 13, along with the 95% confidence interval on the same...

    Started by eabuassi‎, 08-12-2015 04:42 PM
    • Replies: 1
    • Views: 372
    08-21-2015, 01:53 AM Go to last post
  20. Removal of text values in data

    Hi, I'm scratching my head - I'm dealing with data collected on paper and entered manually where the vast majority is numeric, lots of binary...

    Started by Matt Stat15‎, 07-13-2015 10:49 AM
    • Replies: 2
    • Views: 387
    08-20-2015, 09:25 AM Go to last post
  21. Lightbulb Moving Window Principal Component Analysis

    Hi, I'm finishing my thesis we're I'm forming currency-hedge investment portfolios out of the PCA on the currencies. I need to do a PCA using a...

    Started by JBM_1990‎, 06-02-2014 07:06 AM
    moving window, pca, r studio, rolling, stata
    • Replies: 2
    • Views: 1,067
    08-19-2015, 04:58 PM Go to last post
  22. Unhappy how generate a variable with his density of distribution

    Hello, I want generate a variable with the next density of distribution: f(x)=(2*e^(-(x^2)/2))/ √(2π) if x ≤ 0 & f(x) = 0 if x > 0. √= Square...

    Started by Banana_fish‎, 08-18-2015 07:43 PM
    • Replies: 1
    • Views: 191
    08-18-2015, 08:54 PM Go to last post
  23. Little help for a beginner?

    Hi all, I'm new to the forum! I have recently completed an introductory course in statistics and research methods using STATA. I am nearing...

    Started by LucasCu‎, 07-27-2015 03:44 PM
    • Replies: 2
    • Views: 371
    08-18-2015, 05:55 AM Go to last post
  24. Latent Class Analysis with lclogit and gllamm-wrapper lclogitml

    Hi all, I am having trouble fitting a latent class model with Stata. I have a panel data set from an online discrete choice experiment. Each...

    Started by Pelle‎, 08-18-2015 03:39 AM
    gllamm, latent class analysis, lclogit, stata
    • Replies: 0
    • Views: 189
    08-18-2015, 03:39 AM Go to last post
  25. Gravity with gravitas: a solution to the border puzzle

    Hello, I am aware that do file code is available on the net regarding the Anderson and van Wincoop article: Gravity with gravitas: a solution to the...

    Started by J. Simar‎, 08-16-2015 02:14 PM
    • Replies: 1
    • Views: 306
    08-17-2015, 02:54 AM Go to last post
  26. ARDL model in STATA

    Hi to all, I am also using the ARDL in my model. So I used the varsoc variable to determine the optimum lag for my variables, than I used the ADF...

    Started by Viktorija‎, 08-12-2015 10:01 AM
    ardl, linear regression, stata
    • Replies: 0
    • Views: 258
    08-12-2015, 10:01 AM Go to last post
  27. Help with Chi squared distribution (STATA)

    Hello, i generate a chi square distribution, but i research a lot, and i can´t find a test that will help me to know through hypothesis contrast if...

    Started by Banana_fish‎, 08-07-2015 06:54 PM
    • Replies: 1
    • Views: 273
    08-07-2015, 08:27 PM Go to last post
  28. Thumbs up table with weighted and non weighted values?

    Hi I'm trying to obtain in one table something like Area Expanded Non-Expanded a 1200 6 b 300 2...

    Started by jfca283‎, 08-05-2015 01:19 PM
    • Replies: 3
    • Views: 268
    08-05-2015, 02:37 PM Go to last post
  29. Can someone please assist!!!

    Hello, I have an unbalanced panel data, 145802 observations for about 35432 firms in total. I need to estimate firm level TFP. Does anyone know the...

    Started by fzahra‎, 08-03-2015 03:27 PM
    • Replies: 1
    • Views: 256
    08-05-2015, 11:23 AM Go to last post
  30. Fixed Effects Regression

    I am working on a project that has a substantial degree of variability in the availability of data from the beginning to end of the study. I...

    Started by DanielC123‎, 08-01-2015 10:34 AM
    • Replies: 1
    • Views: 264
    08-01-2015, 11:26 AM Go to last post
  31. Help for a beginner to stata

    Hi, Im new to Stata and having trouble with running a loop. I'm studding on export markets and I want to generate a dummy variable so that...

    Started by fzahra‎, 07-28-2015 02:02 AM
    • Replies: 0
    • Views: 268
    07-28-2015, 02:02 AM Go to last post
  32. Generating segregation variable

    Hey guys. I know this is really simple, I just can't figure it out and it's bugging me! So I have two variables: one is school ID (arbitrary...

    Started by starpen‎, 07-23-2015 03:43 PM
    categorical variable, generate new variable
    • Replies: 0
    • Views: 253
    07-23-2015, 03:43 PM Go to last post
  33. Comparing difference of two independent variables in a panel regression

    Hi Guys, currently writing on my thesis on the effect of executives' optimism on cash holdings. I am measuring the degree of optimism through...

    Started by ManuelEngelbrecht‎, 07-16-2015 10:14 AM
    • Replies: 1
    • Views: 457
    07-17-2015, 03:51 AM Go to last post
  34. STATA returns R(603) - IRF cannot be opened- after running a SVAR

    Dear talkstats users, I am trying to create IRFs after running a VAR - SVAR. The code is the following: matrix A =...

    Started by matenk123‎, 07-16-2015 01:15 PM
    error, irf, svar, var
    • Replies: 0
    • Views: 351
    07-16-2015, 01:15 PM Go to last post
  35. Meta-analysis for less than 4 studies using metandi?

    Bearing in mind that metandi command requires a minimum of four studies, which is appropriate command in case of less then 4 studies? There is a...

    Started by Vlajkony‎, 07-15-2015 01:38 PM
    • Replies: 3
    • Views: 393
    07-15-2015, 03:27 PM Go to last post
  36. Latent class analysis using runmplus with Stata

    I would like to perform a latent class analysis on my dataset using the runmplus package in Stata. Briefly this is what my database looks like ...

    Started by Rerun‎, 07-15-2015 10:35 AM
    latent class analysis, runmplus
    • Replies: 1
    • Views: 289
    07-15-2015, 02:41 PM Go to last post
  37. Post difficulty loading an ado file - please help

    Dear TalkStats/Stata, I am using STATA version 12.1 IC. I am trying to use a program defined in a third-party ado file (downloaded from here:...

    Started by churrofrog‎, 07-11-2013 04:00 AM
    ado, dominance, error, loading, plugin
    • Replies: 4
    • Views: 1,440
    07-06-2015, 03:24 AM Go to last post
  38. Help for stata

    I have a data base but the name of the variables is in the first row i ;(. I need that the name is in the header, but I don´t know how can do this....

    Started by Massiel‎, 07-02-2015 11:11 AM
    stata user
    • Replies: 1
    • Views: 363
    07-02-2015, 12:00 PM Go to last post
  39. Help! NY Stata tutor needed ASAP

    Hello -- We are seeking a NY tutor for stata for our son who will be entering an Economics PHD program in the Fall. We would like to hire a one...

    Started by CTPS12‎, 06-24-2015 11:54 AM
    • Replies: 3
    • Views: 513
    06-25-2015, 02:36 AM Go to last post
  40. Problems with generating graphs for sqreg and semipar regression

    Hi all, I am new to stata and statistics in general and wish to ask how do we generate for sqreg and smipar regression? I already got the output...

    Started by ru40342‎, 06-24-2015 12:26 PM
    • Replies: 0
    • Views: 192
    06-24-2015, 12:26 PM Go to last post
  41. Factor or Principal Component analysis for survey

    Hi all, I am trying to conduct a Factor Analysis (or potentially Principal Component Analysis) using a data-set created off a scoreboard. The...

    Started by pascualcm‎, 06-24-2015 11:27 AM
    • Replies: 0
    • Views: 166
    06-24-2015, 11:27 AM Go to last post
  42. Adding the mean value to a bow plot

    Hi all, I am trying to deal with the following problem: my variable is income and I want to display the box plot by region excluding the outliers....

    Started by Rerun‎, 06-22-2015 12:39 PM
    • Replies: 0
    • Views: 224
    06-22-2015, 12:39 PM Go to last post
  43. graphing state distributins fram a panel data set - how to?

    Dear statistic community I hope someone can help me; I'm sure ist not at all difficult, but I'm stuck. I have a Panel data set representing...

    Started by siskin‎, 06-20-2015 07:30 AM
    • Replies: 2
    • Views: 266
    06-22-2015, 09:54 AM Go to last post
  44. New to Stata , how to represent missing data

    I'm new to stata and learning to get around through the pdf and ucla help link. However there are still small trivial things I haven't been able to...

    Started by ppundhir‎, 06-15-2015 01:52 AM
    • Replies: 3
    • Views: 369
    06-22-2015, 08:37 AM Go to last post
  45. Question Cubic Splines

    Dear All I am having a bit of a problem in computing for the xblc command after a random effect dose-response meta-analysis (for graphing the...

    Started by milad‎, 06-22-2015 07:45 AM
    • Replies: 0
    • Views: 194
    06-22-2015, 07:45 AM Go to last post
  46. Calculating citations index - NBER Database

    Hello, I am working with NBER Patents Database, and I am trying to construct so-called Citation Index (CI) following Hirschey, M., Richardson J.V....

    Started by nopal23‎, 06-21-2015 05:31 AM
    • Replies: 0
    • Views: 228
    06-21-2015, 05:31 AM Go to last post
  47. destring non umber

    Hi, I have question about destring. My data type is str7 and non number is '854239. I want to remove ' before number and destring nonnumber....

    Started by amylee‎, 06-16-2015 08:55 PM
    • Replies: 1
    • Views: 256
    06-19-2015, 08:26 PM Go to last post
  48. Command for First Differences

    Hello, I have panel data corresponding to 8 years and a number of variables involving a model. What commands do I use to show that Fixed Effects...

    Started by panchodt‎, 06-17-2015 04:56 PM
    first differences, fixed effects, panel data, stata 13
    • Replies: 0
    • Views: 266
    06-17-2015, 04:56 PM Go to last post
  49. Question Gravity model with fixed effects - controlling for the heterogeneity

    Hi Stata users, I'm quite new to Stata and econometric packages in general, so I'd like to get some hints on how to specify a gravity model for...

    Started by Jean Amann‎, 06-15-2015 10:06 AM
    • Replies: 0
    • Views: 349
    06-15-2015, 10:06 AM Go to last post
  50. Merging Data

    Hello I need to merge data from two datasets, but Im having difficulty: In dataset 1 (Households) each observation is data from a household,...

    Started by Joe Ward‎, 06-14-2015 09:06 AM
    • Replies: 1
    • Views: 283
    06-14-2015, 11:27 AM Go to last post
  51. Having Trouble With gllapred

    Hello, I just ran gllamm successfully, and now I just want to know the marginal effects of particular variables the way margins will report them....

    Started by georgina1‎, 06-13-2015 09:05 PM
    • Replies: 0
    • Views: 219
    06-13-2015, 09:05 PM Go to last post
  52. drop repeated school`s by years

    Hi all, sorry for a cross posting.. I have a little big problem: I have a big dataset (n=6.000.000) with a school variable and year variable, i...

    Started by Rodrigo Badilla Cabrera‎, 06-11-2015 11:32 PM
    drop duplicates
    • Replies: 1
    • Views: 392
    06-12-2015, 03:10 AM Go to last post
  53. Frequency with panel data

    Hi, I have a panel data: Id time state frequency 1 1 2 0 1 2 4 1 1 3 2 1 1 4 4 2

    Started by pelias2‎, 06-11-2015 09:01 AM
    • Replies: 0
    • Views: 190
    06-11-2015, 09:01 AM Go to last post
  54. Finding optimal lags in panel data

    Hi, I have a panel data set and want to investigate whether I have unit roots using the Pesaran CADF unit root test (pescadf) however I'm not...

    Started by Statis‎, 02-18-2014 12:45 PM
    • Replies: 2
    • Views: 1,092
    06-11-2015, 04:34 AM Go to last post
  55. Valug financial statents using STATA?

    Hi. I have tried to search for it, but havent fond anything. Do you guys know about any books etc that shows how one can use Stata to do ...

    Started by TalkTalk84‎, 06-10-2015 03:44 AM
    • Replies: 0
    • Views: 211
    06-10-2015, 03:44 AM Go to last post
  56. General quesiton about editing numbers.

    Hi. I have a general stata question concerning calculating number of cars on a given road. Would the results that I get still be correct if I do...

    Started by TalkTalk84‎, 06-10-2015 03:30 AM
    • Replies: 0
    • Views: 165
    06-10-2015, 03:30 AM Go to last post
  57. [Stata - Selection effects/endogeneity] Treatreg or Heckman?

    Hello TalkStats For my dissertation I am analysing the relationship between the type of school a student attends (public or private) and their...

    Started by feuch24‎, 12-04-2012 11:49 AM
    • Replies: 6
    • Views: 6,539
    06-09-2015, 11:33 PM Go to last post
  58. panel data : how to access coefficients for each observation in panel data with fixed

    Hi I'm a running a fixed effect regression but I don't know how to get the individual coefficient for each country ? Can someone help me plz THANK YOU

    Started by Ihssanee‎, 05-28-2015 07:34 AM
    • Replies: 2
    • Views: 398
    06-05-2015, 02:28 AM Go to last post
  59. regression with time constraint

    Hi guys, I havent studied stata for a year and i have propbably forgotten everything about it. I have a dataset with dates and some variables and i...

    Started by eac13‎, 06-01-2015 04:38 AM
    • Replies: 1
    • Views: 312
    06-05-2015, 02:24 AM Go to last post
  60. Weighted standard deviations for categorical/ordinal variables?

    How can I obtain weighted standard deviations for categorical/ordinal variables? can anyone provide an example command? Thanks.

    Started by dudeman74‎, 05-28-2015 11:05 AM
    • Replies: 0
    • Views: 299
    05-28-2015, 11:05 AM Go to last post

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