Epiweek module and error message
Hi, I am trying to use the epiweek command in Stata/IC 11.2 (downloaded through the findit command in Stata) I used the command: epiweek invitedate3, epiw(epi_week) epiy(epi_year) (inviteweekdate3 is...
View ArticleRowrank
Hi, I understand -rowrank- will rank the variables below as 1 3 3 3 5. x1 x2 x3 x4 x5 --2--3--3--3--5-- My questions are: 1: How can I rank the following as 1 2 2 2 3? 2: Im trying to sort P/E ratios...
View ArticleNumber of variables with the same prefix
Hi, I am using Stata 13 and would like to count the number of variables in a dataset that start with the same prefix. Any assistance will be greatly appreciated.
View Articleexport the standardized coefficients of SEM
Dear all, I am running SEM model. I used this code to get my model. The stata displayed the standardized coefficients. sem (std -> cbsched, ) (std -> cbv, ) (std -> cbh, ) (std -> cbsm, )...
View Article-missings- now available from SSC: new program for managing missings
Thanks to Kit Baum as usual, a new program missings is now available from SSC. Use : ssc inst missings to install. Stata version 9 up is required (but see below for a note for any people on version 9...
View ArticleMajor update to -texdoc- available on SSC
Thanks to Kit Baum, an update to the texdoc package is available from SSC. To install the package, type : . ssc install texdoc, replace or use the adoupdate command. texdoc provides tools to create a...
View ArticleFitted value and confidence interval of part of a regression model
Hello, I am estimating a non-linear regression of the following form: nl (y = {alpha} + ({theta} + {beta1}*x1 + {beta2}*x2 + 0.5*x3)*({eta1}*z1 + {eta2}*z2 + {eta3}*z3})) After estimating the model I...
View ArticleRepeated Measures Bland - Altman (BA) and Concordance Correlation Coefficient...
Hello, I was wondering if anyone knows any techniques / programs to analyze repeated measures CCC and repeated measures BA plots. I've been using the 'concord' program but it does not allow for...
View Article-mipolate- now available from SSC: new program for interpolation
Thanks to Kit Baum as usual, a new program mipolate is now available from SSC. Use : ssc inst mipolate to install. Stata version 12 is required (but see below for a note for any people on version 10 or...
View ArticleJob posting for Research Scientist position in Austin, TX
Hello Statalisters - Our firm is hiring a researcher to help with our education research & evaluation practice here in Austin, Texas. Much of this person's time will involve coding for data...
View Article-rowmean- conditional upon top x%
Hi, My dataset is on stock returns, I have generated the rankings for each stock based on their Price/Earning ratios, now Im tying to generate the mean returns for each row conditional upon the stock's...
View ArticleReshape Long to wide super slow. Alternative?
Hi I have a dataset with 4million observations that looks like this. id text nvals 1 abc 1 1 def 2 1 ghi 3 2 nkw 1 2 dsd 2 2 sad 3 2 olp 4 . . . 2 yeu 100 What I need to do is to collapse for each "id"...
View Articlepsmatch2 output -nearest neighbor matching
Dear Statalisters, I run and got psmatch2 output (see attached), psmatch2: | psmatch2: Common Treatment | support assignment | Off suppo On suppor | Total -----------+----------------------+----------...
View ArticleTurn off gridlines in a scheme?
Can anyone help me with what entry I should put in a scheme file so that it never ever plots those horizontal scheme lines? The manuals just keep sending me in circles (see Schemes Intro! but no,...
View ArticleOutreg2 and tex option
I would wish outreg2 command to give me the output on Lyx, a subsidiary of latex that am using. However it gives me the output on tex which am unable to transfer to my document in lyx. Please help.
View ArticleBiprobit marginal effects standard errors
Hello, I'm estimating a recursive biprobit model for the effect of an endogenous binary variable, C, on a binary outcome, Y, with common exogenous variables, X, and excluded (instrumental) variable, Z....
View ArticleNLSUR syntax - estimate equations using different time periods
Dear All, I want to run the non-linear estimation below. My sample has several periods (0 < t< T2) and I want to estimate the non-linear equations with the same coefficients. Do you know how I...
View Articlestata command
how can we write command of these two formulas in stata 1)CSSDt = √∑i=1n (Ri,t – Rm,t)2/ N-1 and 2) CSADt = ∑i=1n |Ri,t – Rm,t |/ Nt .
View Articlemerging data
Dear all, I have two data set which has to be merged. my problem is that while merging the data set, survey date of the first data should fall in line with survey date range of second data. I am...
View ArticleSubsetting the data based on a index value
Dear Statalisters, I attached my small data (113 rows),it contains 3 variables, treated1975 is a dummy set to 1 if it is treatment firm, and zero if not. _id is a id for all firms in the same , it goes...
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