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Forum: Stata

Stata usage and programming, Stata help

  1. 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: 88
    08-01-2015, 11:26 AM Go to last post
  2. 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: 1
    • Views: 204
    07-30-2015, 09:19 PM Go to last post
  3. 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: 134
    07-28-2015, 02:02 AM Go to last post
  4. 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: 0
    • Views: 103
    07-27-2015, 03:44 PM Go to last post
  5. 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: 152
    07-23-2015, 03:43 PM Go to last post
  6. 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: 304
    07-17-2015, 03:51 AM Go to last post
  7. 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: 162
    07-16-2015, 01:15 PM Go to last post
  8. 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: 191
    07-15-2015, 03:27 PM Go to last post
  9. 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: 114
    07-15-2015, 02:41 PM Go to last post
  10. 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: 1,243
    07-06-2015, 03:24 AM Go to last post
  11. 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 donīt know how can do this....

    Started by Massiel‎, 07-02-2015 11:11 AM
    stata user
    • Replies: 1
    • Views: 265
    07-02-2015, 12:00 PM Go to last post
  12. 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: 416
    06-25-2015, 02:36 AM Go to last post
  13. 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: 144
    06-24-2015, 12:26 PM Go to last post
  14. 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: 104
    06-24-2015, 11:27 AM Go to last post
  15. 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: 156
    06-22-2015, 12:39 PM Go to last post
  16. 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: 204
    06-22-2015, 09:54 AM Go to last post
  17. 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: 295
    06-22-2015, 08:37 AM Go to last post
  18. 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: 103
    06-22-2015, 07:45 AM Go to last post
  19. 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: 163
    06-21-2015, 05:31 AM Go to last post
  20. 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: 196
    06-19-2015, 08:26 PM Go to last post
  21. 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: 188
    06-17-2015, 04:56 PM Go to last post
  22. 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: 230
    06-15-2015, 10:06 AM Go to last post
  23. 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: 211
    06-14-2015, 11:27 AM Go to last post
  24. 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: 139
    06-13-2015, 09:05 PM Go to last post
  25. 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: 304
    06-12-2015, 03:10 AM Go to last post
  26. 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: 132
    06-11-2015, 09:01 AM Go to last post
  27. 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: 904
    06-11-2015, 04:34 AM Go to last post
  28. 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: 156
    06-10-2015, 03:44 AM Go to last post
  29. 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: 115
    06-10-2015, 03:30 AM Go to last post
  30. [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: 6,164
    06-09-2015, 11:33 PM Go to last post
  31. 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: 334
    06-05-2015, 02:28 AM Go to last post
  32. 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: 241
    06-05-2015, 02:24 AM Go to last post
  33. 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: 247
    05-28-2015, 11:05 AM Go to last post
  34. panel data : how to access coefficients for each observation in panel data with fixed

    Hi I' running a fixed effect regression. I want to know how can I get the fixed effect for each country ? thank you

    Started by Ihssanee‎, 05-28-2015 06:11 AM
    • Replies: 0
    • Views: 127
    05-28-2015, 06:11 AM Go to last post
  35. Performing calculations on multiple imputed observations

    Hi, Is it possible to do computation on imputed data sets when running multiple imputation in stata? For example, I have some missing...

    Started by ledzep‎, 05-22-2015 05:05 AM
    • Replies: 2
    • Views: 331
    05-24-2015, 10:08 PM Go to last post
  36. Exclamation Searching for the Stuart-Maxwell interrater agreement index

    Hi, I would like to calculate the index of inter-rater agreement among three constant raters in assigning a score for a given criteria. I have been...

    Started by iwelle‎, 05-24-2015 08:53 AM
    • Replies: 0
    • Views: 199
    05-24-2015, 08:53 AM Go to last post
  37. Guideline to generate a table of Zero Leverage companies

    Dear all, I'm new to Stata and i'm trying to learn it. I'm currently working on a research about zero leverage companies and i need to generate...

    Started by Massimo Gdc‎, 05-23-2015 10:12 AM
    stata
    • Replies: 1
    • Views: 213
    05-24-2015, 06:01 AM Go to last post
  38. Question Syntax and formula for the 99% confidence interval for a proportion

    According to: https://www.mccallum-layton.co.uk/tools/statistic-calculators/confidence-interval-for-proportions-calculator/ The 99% confidence...

    Started by epidem‎, 05-18-2015 03:15 AM
    binomial, cii, confidence interval, syntax
    • Replies: 1
    • Views: 302
    05-18-2015, 06:32 PM Go to last post
  39. Joining two variables

    Hi! i have a variable that explain the means of transports used with the following codes 1=cars 2=cart 3=motorbike 4=on foot 5=others...

    Started by fakhijr‎, 05-18-2015 04:54 AM
    • Replies: 0
    • Views: 191
    05-18-2015, 04:54 AM Go to last post
  40. Exclamation Combinatorics in Stata 12

    Hi, I am trying to generate new variables in a stata dataset which includes all pairwise and triplets combinations of a count of 14 conditions....

    Started by mcdaido‎, 01-20-2012 06:06 AM
    combinatorics, combining variables, pairwise, syntax, triplets
    • Replies: 5
    • Views: 3,791
    05-17-2015, 09:19 AM Go to last post
  41. #Count change of one variable within other variable

    Hi everyone, hope a smart someone can help me with the following: Data: gvkey coname datadate fyear fyr...

    Started by Tessa Wanders‎, 05-15-2015 05:32 AM
    count
    • Replies: 0
    • Views: 183
    05-15-2015, 05:32 AM Go to last post
  42. create new variable

    I have panel data (40 semester and 250 000 people). The variable " disabilty " takes the value 1 or 0. I want to create a new variable "enter" . It...

    Started by DULB‎, 05-08-2015 08:22 AM
    • Replies: 0
    • Views: 290
    05-08-2015, 08:22 AM Go to last post
  43. Order-α based outlier-detection

    Dear all, I am having problems in performing order-α based outlier-detection in Stata 13.0. I would like to perform outlier analysis to...

    Started by Odette de Vaal‎, 04-30-2015 07:06 AM
    • Replies: 1
    • Views: 1,381
    05-03-2015, 07:33 PM Go to last post
  44. correlation between attributes (DCE)

    Hi, I am using -mixlogit- and -gmnl- to model a DCE experiment. In one of the models, I allow two variables ("income in the public sector" - a...

    Started by PedroR‎, 05-03-2015 06:18 PM
    • Replies: 0
    • Views: 168
    05-03-2015, 06:18 PM Go to last post
  45. Offset Variable

    Is there any difference between an offset variable and a covariate?

    Started by chivasrom‎, 05-01-2015 01:42 PM
    • Replies: 0
    • Views: 184
    05-01-2015, 01:42 PM Go to last post
  46. drop by id

    Hi, I have a panel data: Id time state 1 1 2 1 2 2 1 3 5 1 4 1 2 1 4

    Started by pelias2‎, 04-29-2015 07:39 AM
    • Replies: 1
    • Views: 186
    04-30-2015, 02:45 AM Go to last post
  47. sample

    Hello I have a population of 250 000 individuals and 40 quarter ( from 2003 to 2012) I would like to work with a subsample of 10%. The...

    Started by DULB‎, 04-29-2015 08:39 AM
    • Replies: 2
    • Views: 231
    04-30-2015, 02:41 AM Go to last post
  48. Remove the time of a date variable

    I have a date variable that looks like this: 01apr2014 17:06:55 The storage type for this variable is double and display format %tc I just...

    Started by Marvin85‎, 04-27-2015 11:04 AM
    date variable, td format
    • Replies: 2
    • Views: 266
    04-29-2015, 10:41 PM Go to last post
  49. Revealed preferences (market share) in a DCE

    Hi, I'm running an unlabelled DCE study, which I modelled using gmnl , following (http://www.stata-journal.com/article...article=st0301)....

    Started by PedroR‎, 04-25-2015 03:43 PM
    • Replies: 0
    • Views: 212
    04-25-2015, 03:43 PM Go to last post
  50. SQ-ados: sequence analysis

    I am usig the SQ-ados program with STATA to analyse sequence data. I have - a sample of 250 603 persons - 40 semesters. - 8 elements (labour...

    Started by DULB‎, 04-22-2015 10:26 AM
    • Replies: 1
    • Views: 293
    04-23-2015, 02:39 AM Go to last post
  51. Generate string from filename

    Hi I'm stuck. I have some files named like this: file_ALP2014_ALP2015 and i need to play with variables in the same database that their names...

    Started by jfca283‎, 04-16-2015 09:05 AM
    • Replies: 2
    • Views: 362
    04-16-2015, 10:07 AM Go to last post
  52. Programming a loop

    Hi, I have this do-file: I would like to programme a loop to apply this do-file to others databases: The name of the others databases...

    Started by pelias2‎, 04-10-2015 08:52 AM
    • Replies: 2
    • Views: 428
    04-13-2015, 10:17 AM Go to last post
  53. Lightbulb Data management

    Hi, I have dta files and It looks like that: ID Disease 1 A 2 A 2 C 2 F 3 B 4 A

    Started by pelias2‎, 04-10-2015 05:28 AM
    • Replies: 4
    • Views: 335
    04-10-2015, 08:38 AM Go to last post
  54. Graph margins - eydx(x1) over (r.X2)

    Hi guys, Ran with a problem when doing my analysis: I am fitting the following logit model: Y= X1##X2##X3 + Xn X1 is a dummy (Year) X2 is...

    Started by PedroR‎, 04-06-2015 05:33 PM
    • Replies: 0
    • Views: 282
    04-06-2015, 05:33 PM Go to last post
  55. Loop files through subdirectories

    Hi i need to enter a directory and his subdirectories to run a instruction. I know how to loop the files that are contained in a folder. For that i...

    Started by jfca283‎, 04-02-2015 06:23 AM
    • Replies: 2
    • Views: 373
    04-02-2015, 08:26 AM Go to last post
  56. Do file stops - freezes

    Hello guys, I am running a stata do file that was working perfectly in the past and now it freezes and does not work properly. It freezes in the...

    Started by Marvin85‎, 03-31-2015 09:51 AM
    do file, freeze
    • Replies: 4
    • Views: 357
    03-31-2015, 07:03 PM Go to last post
  57. generate a variable based on another variable

    Hey guys, one question. I have a variable with company names that repeat themselves for 250 times cause that is the number of days i study. so i have...

    Started by eac13‎, 03-23-2015 02:35 PM
    • Replies: 3
    • Views: 410
    03-31-2015, 07:02 PM Go to last post
  58. Leontief Inverse using stata - mata

    Dear all, We can't manage to generate a Leontief Inverse matrix, below an example. Given for example the following matrix converted from...

    Started by giacomodifo‎, 03-30-2015 04:44 AM
    • Replies: 0
    • Views: 244
    03-30-2015, 04:44 AM Go to last post
  59. Hierarchical Cluster Analyis: Working with Groups

    Hello everybody! I am not sure if you provide me an answer to my questions, but I am pretty desperate and would be glad of any help I can get! I...

    Started by KathiStata‎, 03-27-2015 09:13 AM
    cluster, groups, hierarchical method
    • Replies: 1
    • Views: 289
    03-27-2015, 09:45 AM Go to last post
  60. Latent Class Analysis with Stata

    Hi, Have anyone used Stata for Latent Class Analysis? I want to estimate willingness to pay with it, but I'm not sure it is possible with this...

    Started by jsuazo‎, 06-14-2013 10:55 AM
    2 Pages
    1 2
    lca, stata
    • Replies: 19
    • Views: 10,403
    03-26-2015, 04:02 PM Go to last post

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