1. 10-14-2010
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Forum: Stata

Stata usage and programming, Stata help

  1. nonlinear simultaneous equations nlsur for each observation

    Hi, everyone! I'm trying to solve the simultaneous system of two equation to get the daily data of variables va and siga (given the initial values...

    Started by Aurora13‎, Today 02:04 PM
    • Replies: 0
    • Views: 1
    Today, 02:04 PM Go to last post
  2. Line graph

    I have a health insurance variables: do you have health insurance? (yes/no). I have a year variables and a "type of state" variable (3 categories:...

    Started by Marvin85‎, 04-21-2014 09:31 AM
    chart, line graph
    • Replies: 4
    • Views: 114
    Today, 01:30 PM Go to last post
  3. bar graph help

    Update: Okay, I've actually figured out how to get 2 y-axes, but the bar graphs come out on top of each other instead of beside each other. How do I...

    Started by crpalmer‎, Yesterday 11:11 PM
    • Replies: 2
    • Views: 75
    Today, 07:25 AM Go to last post
  4. calculating time difference between sub groups in a data set

    Hi everyone, I am a beginner and I have a data set that I want to analyze, but I don't know if it is possible to do what I want using stata. I...

    Started by crystal1_moon‎, Today 12:29 AM
    stata, stata help
    • Replies: 0
    • Views: 114
    Today, 12:29 AM Go to last post
  5. Merging/appending all the files of a given folder

    I have solved my problem you can delete the thread, thanks! I will post on the bottom the solution for my problem. It was not an elegant way to solve...

    Started by jcppbarata‎, Yesterday 12:55 PM
    • Replies: 1
    • Views: 76
    Yesterday, 08:54 PM Go to last post
  6. panel data and time effects

    I have a panel data database for all states between the years 1983-2011, so when I run regressions the results appear for the whole period, but I am...

    Started by Belabda‎, 04-20-2014 03:55 PM
    • Replies: 5
    • Views: 177
    Yesterday, 07:11 PM Go to last post
  7. Table structure of basic stats

    Running the tabstat command with several variables gives me a table with variable names as columns, and the stats I specify as rows. For example: ...

    Started by grreee12‎, Yesterday 11:37 AM
    • Replies: 0
    • Views: 51
    Yesterday, 11:37 AM Go to last post
  8. randomly match cases and controls when the ratio is not 1:1

    Hello to everybody! I am trying to match cases and controls for two studies, in the first one the ratio can be 1:1 in the second one, since the...

    Started by Rerun‎, 04-16-2014 10:01 AM
    • Replies: 8
    • Views: 182
    Yesterday, 04:28 AM Go to last post
  9. Three dimensional panel data regression

    Hi everybody, I'm pretty new with stata. As I anticipated in the title I have a dataset with country,sector and year dimensions(i,j,t...

    Started by Alberto90‎, Yesterday 04:20 AM
    • Replies: 0
    • Views: 92
    Yesterday, 04:20 AM Go to last post
  10. How to run a Chow test for a logit model

    I want to run the equivalent of a Chow test for a logit model, to check if pooling the datasets is justified. Does anyone know which test to use for...

    Started by AliT128‎, 04-20-2014 11:25 AM
    • Replies: 1
    • Views: 142
    04-20-2014, 11:30 AM Go to last post
  11. Time series - Selecting limited time period to regress

    Hi, I have a time series with monthly data from 1871 till 2014 which I can run regressions on. However I would like to run several regression on...

    Started by cjwehtje‎, 04-20-2014 03:55 AM
    regression, settings, time series
    • Replies: 1
    • Views: 114
    04-20-2014, 05:40 AM Go to last post
  12. MLE estimation precision

    Hi, I would like to ask a question, im estimating EGARCH model in stata with 5-minute returns, and my model could not converge with error "r(430)",...

    Started by Tomas Juchelka‎, 04-19-2014 05:35 AM
    • Replies: 1
    • Views: 117
    04-19-2014, 08:38 PM Go to last post
  13. Merging with unique personids but not sorted as unique in datasets

    Hi Everyone- First, long time viewer of the forum but first time posting. Thank you so much for any advice, this site has helped get me back on...

    Started by Jay85‎, 04-19-2014 11:25 AM
    merge, multiple datasets, personid, unique identifier
    • Replies: 1
    • Views: 92
    04-19-2014, 08:36 PM Go to last post
  14. Firm fixed effects in panel data

    Hi everyone! I am pretty new in working with Stata and I am facing following problem: I have a large dataset of US banks and insider...

    Started by Gerka‎, 04-18-2014 11:09 AM
    • Replies: 0
    • Views: 81
    04-18-2014, 11:09 AM Go to last post
  15. Finding Agencies that were funded in all years

    Hey guys, I have 6 columns containing Agency IDs of different years. I would like to know which agencies appear in all the years. That is which...

    Started by Marvin85‎, 04-18-2014 09:46 AM
    • Replies: 0
    • Views: 47
    04-18-2014, 09:46 AM Go to last post
  16. Coefficient interpretation in panel data

    Hi, I am using a panel of 2249 schools with data from 2002-2008. Some of the schools are single sex schools whilst others are mixed sex. Some...

    Started by Kaimajerus‎, 04-17-2014 09:42 AM
    interpret panel data
    • Replies: 0
    • Views: 151
    04-17-2014, 09:42 AM Go to last post
  17. How can I split variables by row?

    I have a data set that includes both yearly and quarterly data. I need to split it up into individual quarterly and annual variables, but can't...

    Started by statisticalmoron‎, 04-16-2014 05:58 AM
    • Replies: 4
    • Views: 146
    04-17-2014, 06:49 AM Go to last post
  18. Generate dummy according to first 3 numbers of a string varaible

    I am using panel data and my panel variable is schid which is an identifier for 2249 schools. The data is from 2002-2008. In the question that I am...

    Started by Kaimajerus‎, 04-16-2014 05:14 PM
    • Replies: 2
    • Views: 170
    04-17-2014, 03:10 AM Go to last post
  19. How can I drop observations when a variable is equal to any number from a sequence?

    I have a variable in a data set that has numbers between 0 and 1000. I want to drop observations where the variable is equal to any number from the...

    Started by econlearner‎, 04-16-2014 04:55 PM
    drop values, sequence, stata
    • Replies: 2
    • Views: 114
    04-16-2014, 09:33 PM Go to last post
  20. collapse and counting the same observations

    Hi I am currently analyzing the data set that have the name of organizations, the name of EMR vendors and the 7 different functions. I would like...

    Started by jykim‎, 04-16-2014 05:16 PM
    • Replies: 0
    • Views: 124
    04-16-2014, 05:16 PM Go to last post
  21. importing spss-files via ado usespss

    Good afternoon it's a long time I've been here, but yo always were so helpful - I try my luck again. The problem is: A colleague found and...

    Started by siskin‎, 04-04-2014 07:25 AM
    • Replies: 2
    • Views: 138
    04-16-2014, 02:48 AM Go to last post
  22. Matching datasets on more than one variable

    Hello everyone, I have a dataset containing companies and the funds which have financed them at some point in time. I need to combine this data...

    Started by vcheck‎, 04-14-2014 01:34 PM
    • Replies: 0
    • Views: 102
    04-14-2014, 01:34 PM Go to last post
  23. Volatility Modelling- negative coefficients and r(430)

    Dear Statisticians, I am having some issues modeling the effect of news events on market indices. Namely, I am using garch (1,1) and have 8 dummy...

    Started by bgstefan‎, 04-14-2014 09:19 AM
    • Replies: 0
    • Views: 126
    04-14-2014, 09:19 AM Go to last post
  24. Corr and robust std. errors

    Hi, is there a way to compute correlation coefficients with robust standard errors a la "vce(cluster var)" in regression analysis? Thanks

    Started by lbv‎, 04-14-2014 05:10 AM
    • Replies: 0
    • Views: 79
    04-14-2014, 05:10 AM Go to last post
  25. to RedOwl : an error when i run LCAPlugin.

    Dear RedOwl, i have met the same error as @Fulton 【 but I keep getting this error message "unrecognized command" when I run the examples to test...

    Started by ryang‎, 04-14-2014 04:25 AM
    • Replies: 0
    • Views: 68
    04-14-2014, 04:25 AM Go to last post
  26. Problem with r(2000) no observations

    Hi all, even after asking Dr. Google I did not yet find any answer for my problem so I hope somebody can help me here. I imported some date from...

    Started by Ave‎, 04-12-2014 09:04 AM
    • Replies: 1
    • Views: 130
    04-12-2014, 09:25 AM Go to last post
  27. Regression in STATA

    Hi guys, Currently I am struggling with a regression which I want to do. I want to do a regression in STATA but I don't know how to do it. I hope...

    Started by Statahulk‎, 08-27-2012 07:17 AM
    2 Pages
    1 2
    • Replies: 19
    • Views: 3,751
    04-11-2014, 10:25 PM Go to last post
  28. Stata: ml versus nl

    I need to estimate an equation using some iterative method to optimally choose the coefficients. I won't go into the reasons that I can't use a...

    Started by kungal‎, 04-05-2014 07:41 PM
    maximum likelihood, non-linear least squares, stata
    • Replies: 1
    • Views: 138
    04-11-2014, 05:10 PM Go to last post
  29. Evaluating the significance of a model which uses Odds Ratio

    Hey, guys! I know just the basics of Regression Models and in my job we're using a logit model, with the "Odds Ratio" option. The thing is that...

    Started by joseto_caviedes‎, 04-10-2014 04:25 PM
    • Replies: 2
    • Views: 208
    04-11-2014, 05:07 PM Go to last post
  30. Calculating simple statistics for the distribution

    I'm new to STATA and am struggling with some basic syntax. I have student-level data from several schools, like this: StudID School Sex ...

    Started by grreee12‎, 03-26-2014 01:10 PM
    • Replies: 7
    • Views: 288
    04-11-2014, 05:05 PM Go to last post
  31. Gaps in financial time series (i.e. weekends)

    Hi everybody, I am using Stata 13 and have several time series that focus on equity returns etc. Using tsset results in setting the time series...

    Started by Panda05‎, 04-11-2014 10:26 AM
    • Replies: 0
    • Views: 97
    04-11-2014, 10:26 AM Go to last post
  32. Means and frequencies

    Hi, perhaps a really stupid question, but how can I see the N's when running a mean command? I know that one can use sum, but when you have numerous...

    Started by lbv‎, 04-11-2014 01:00 AM
    • Replies: 2
    • Views: 85
    04-11-2014, 05:42 AM Go to last post
  33. 5 minute data

    Hi guys, Im having problems with high frequency time series data, especially i have 5 minute data for SP 500 stocks, im planning to model volatility...

    Started by Tomas Juchelka‎, 04-10-2014 12:52 PM
    • Replies: 0
    • Views: 111
    04-10-2014, 12:52 PM Go to last post
  34. Help with overlapping

    Hello I have a variable, return on assets (ROA) for financial years 1997 to 2010 for US firms. I would like to calculate performance volatility...

    Started by zaksotiris‎, 04-10-2014 09:24 AM
    • Replies: 0
    • Views: 103
    04-10-2014, 09:24 AM Go to last post
  35. Convert Stata13 file to Stata12

    Hi to all. I am trying to access a .dta file generated by STATA 13 but I have STATA 12 only. When trying to open I get the r(610) error, obviously....

    Started by NoPR‎, 04-10-2014 08:21 AM
    • Replies: 0
    • Views: 140
    04-10-2014, 08:21 AM Go to last post
  36. Help with new variable

    Hey everyone, I am new to stata and need help on assignment. my task is to "generate a new variable 'white' that is coded 1 if the respondent's...

    Started by jhartman35‎, 04-09-2014 04:39 PM
    • Replies: 2
    • Views: 182
    04-10-2014, 03:02 AM Go to last post
  37. recession shading

    hi , i have a graph with real industrial production and i would like to shade the areas of recession from 2000 to 2001 and 2008 to 2010 the command i...

    Started by eac13‎, 04-09-2014 04:24 PM
    • Replies: 2
    • Views: 70
    04-10-2014, 02:55 AM Go to last post
  38. multiple imputation 5-years average

    Hello. I have need to do panel regressing with mi (100 imputations) data. But the problem is that I have annual data but i need 5-years averages. How...

    Started by alive19xx‎, 04-09-2014 06:25 AM
    • Replies: 0
    • Views: 106
    04-09-2014, 06:25 AM Go to last post
  39. Direct Standardization in Stata using dstdize command

    Hi everyone, I've directly standardized injury events in 17 US states using the stata command "dstdize total_injuries population age_group,...

    Started by simonja‎, 04-09-2014 12:08 AM
    • Replies: 1
    • Views: 130
    04-09-2014, 03:03 AM Go to last post
  40. Generating a complex new variable in Stata

    Hey fellow Stata'ers, I need a smarter brain than mine to help me with a problem. Example of my dataset: Distance Loc_ID Alt_Loc_ID 100______1...

    Started by Miko‎, 04-08-2014 08:19 AM
    • Replies: 2
    • Views: 108
    04-09-2014, 02:30 AM Go to last post
  41. Panel regression

    Hi, i'm doing a regresssion on panel data, and i don't know if i can use a random effects or fixed ones? i already found the result by using hausman...

    Started by selma‎, 04-08-2014 04:20 PM
    • Replies: 0
    • Views: 172
    04-08-2014, 04:20 PM Go to last post
  42. Box plot order

    Dear Forum I have some graphical box plot problems: graph box y1 y2 y3 y4, over(cat_var) How do I put the boxes in a specific order so every...

    Started by Aleco‎, 12-12-2013 10:00 PM
    • Replies: 12
    • Views: 559
    04-06-2014, 10:05 AM Go to last post
  43. Probit Interpretation help - will students live at home during university

    Hi all, New to the forum this is my first post. I am a third year economic student completing my first course in econometrics (working with...

    Started by bikcanada‎, 04-05-2014 01:33 PM
    • Replies: 0
    • Views: 141
    04-05-2014, 01:33 PM Go to last post
  44. Stata over linux doesn't run ado file

    Hi I installed correctly the ado file for seasonal adjustment x12 under ubuntu/linux. My machine does recognise x12a in my libraries, but when i...

    Started by jfca283‎, 04-05-2014 01:50 AM
    • Replies: 3
    • Views: 175
    04-05-2014, 01:05 PM Go to last post
  45. I can't run ado. Message about wrong adopath.

    I installed this package Menu-driven X-12-ARIMA seasonal adjustment in Stata And i also installed the x12a64 package on my PC. Its location is...

    Started by jfca283‎, 04-04-2014 09:55 AM
    • Replies: 2
    • Views: 132
    04-04-2014, 01:43 PM Go to last post
  46. Quick help on graphing a variable

    Say I've got a variable for the type of job someone does. Then I have a variable for how much someone earns. How do I produce a bar graph such...

    Started by dataset‎, 04-02-2014 10:48 AM
    • Replies: 1
    • Views: 154
    04-02-2014, 06:21 PM Go to last post
  47. Match firms by sic code and ipo date in state

    Hi, I am currently researching the US Ipo market and due to stata being completely new for me I encountered the following problem: I have two...

    Started by tokke‎, 03-31-2014 11:32 AM
    matching, stata
    • Replies: 1
    • Views: 130
    04-01-2014, 06:42 PM Go to last post
  48. Question Exporting results of the -table- command to Excel?

    Hi, is there any easy way to automate exporting a table command (with the content() option) to excel? I know about the various 'mouse' methods of...

    Started by khaidoba‎, 03-30-2014 12:54 PM
    commands, excel, export, stata, table
    • Replies: 2
    • Views: 145
    04-01-2014, 06:40 PM Go to last post
  49. Linear regression

    Hello, In attachment you find my model where I want to do a linear regression on in stata. Now was my question how I can define these summations...

    Started by marnix‎, 03-20-2014 04:51 AM
    • Replies: 8
    • Views: 357
    04-01-2014, 06:11 AM Go to last post
  50. Which is correct for my data??? Multilevel Modeling or Clustered Robust SEs approach?

    Hello everyone, I would love to hear your quick reaction to a particular data structure my colleagues and I are working with because we keep...

    Started by ema2146‎, 03-31-2014 09:49 AM
    • Replies: 1
    • Views: 145
    03-31-2014, 11:34 AM Go to last post
  51. Question reg and outreg2: Display variable value labels for interaction terms?

    I'm regressing using dummy interaction terms: reg y x1 i.x2 where x2 is split into 3 categories: "Category 1" if x2==1; "Category 2" if x2==2;...

    Started by khaidoba‎, 03-26-2014 06:24 AM
    • Replies: 2
    • Views: 202
    03-30-2014, 01:34 PM Go to last post
  52. Can stata do historical decomposition for VAR model?

    Can stata do historical decomposition for VAR models?

    Started by conglin‎, 03-10-2014 04:40 PM
    • Replies: 2
    • Views: 246
    03-28-2014, 03:13 PM Go to last post
  53. Repeated measures ANOVA- reshape data?

    I assessed HIV knowledge at pre, post and follow examinations. It was the same exam 14 items for pre, post and follow-up. Also The same participants...

    Started by Marvin85‎, 03-27-2014 02:45 PM
    anova, repeated measures, reshape data
    • Replies: 1
    • Views: 237
    03-28-2014, 08:14 AM Go to last post
  54. Question xtgee and estimating relative risks

    I am trying to complete a subgroup analysis. I have successfully created a model using xtgee command and I am looking for the correct post-estimation...

    Started by Annabella‎, 03-27-2014 10:26 AM
    • Replies: 0
    • Views: 88
    03-27-2014, 10:26 AM Go to last post
  55. Reducing the number of observations?

    Hi, Is it possible to reduce the number of observations for a regression analysis? For a homework assignment, I am asked to limit the sample size. ...

    Started by vberisha‎, 03-26-2014 06:55 PM
    • Replies: 1
    • Views: 163
    03-27-2014, 02:32 AM Go to last post
  56. Moving average across panel data

    Hi, I have a time-series dataset consisting of the number of bills introduced by each member of congress in a given year, organized into panel data...

    Started by npelikan‎, 03-26-2014 12:16 PM
    • Replies: 0
    • Views: 81
    03-26-2014, 12:16 PM Go to last post
  57. Ordinal DV and Categorical IV - Correct test

    I have a self-efficacy scale (DV). my self-efficacy scale is a liker scale (ordinal; 1 to 7, strongly agree to Strongly disagree) I asked the same...

    Started by Marvin85‎, 03-24-2014 04:13 PM
    ordinal and categorical
    • Replies: 7
    • Views: 228
    03-26-2014, 09:30 AM Go to last post
  58. Drop if same score on 16 out of 21 variables

    Hi I have a datset with 100,000 observations and 21 variables (v1-v21). I want to drop all observations that have the same score on 16 or more of...

    Started by lund_kasper‎, 03-26-2014 04:08 AM
    • Replies: 1
    • Views: 109
    03-26-2014, 05:04 AM Go to last post
  59. Formatting legends in distplot with "over" command

    EDIT: I feel silly; this was just a simple comma error. Please disregard. I've been formatting a series of CDFs using distplot for presentation,...

    Started by Clumpy‎, 03-25-2014 09:45 AM
    • Replies: 0
    • Views: 85
    03-25-2014, 09:45 AM Go to last post
  60. Augmented Dickey Fuller Test

    How do you test for non-stationarity using an augmented Dickey Fuller test with no time trend and a lag of 2 or more in STATA? I need simple...

    Started by freespirited55447‎, 03-24-2014 10:48 PM
    dickey fuller augmented, regression, sample t-statistic, time series
    • Replies: 0
    • Views: 155
    03-24-2014, 10:48 PM Go to last post

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