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Specialized on Data processing, Data management Implementation plan, Data Collection tools - electronic and paper base, Data cleaning specifications, Data extraction, Data transformation, Data load, Analytical Datasets, and Data analysis. BJ Data Tech Solutions teaches on design and developing Electronic Data Collection Tools using CSPro, and STATA commands for data manipulation. Setting up Data Management systems using modern data technologies such as Relational Databases, C#, PHP and Android.

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xtmerlogit

xtmerlogit

Monday, March 2, 2020 Data Cleaning Data management Data Processing
Friends, I had this query; I am fitting three levels logistic-mixed effect model with Random coefficient variable for both groups. But ev...
How to remove an extra digit/character from a string variable

How to remove an extra digit/character from a string variable

1:13 AM Data Cleaning Data management Data Processing
Dear Statalist users I have a dataset which has a string variable in three parts, by convention, separated by a hyphen: e.g. 12345-2020-00...
How to generate predicted value by beta/standardized regression coefficients, rather than unstandardized ones?

How to generate predicted value by beta/standardized regression coefficients, rather than unstandardized ones?

12:13 AM Data Cleaning Data management Data Processing
Is there a simple way to generate predicted value by beta/standardized regression coefficients. For example, the code below only generates a...
Grouping multiple entries for a distinct id in longitudinal data

Grouping multiple entries for a distinct id in longitudinal data

Sunday, March 1, 2020 Data Cleaning Data management Data Processing
Dear all, This might be a trivial question, however, I am posting as I have searched multiple stata help pdfs without a relevant answer. ...
Multilevel ordinal logit modelling

Multilevel ordinal logit modelling

10:13 PM Data Cleaning Data management Data Processing
I run a multilevel ologit command on his data but Stata says:"initial values not feasible r(1400);". I really didn't expect th...
Panel data

Panel data

9:13 PM Data Cleaning Data management Data Processing
Hi.. anyone.. who could solve my issue.. i have a panel for 2011 and 2016.... the religion should be same but for me it changes... if its 1 ...
Number of variables in a multinomial logistic regression

Number of variables in a multinomial logistic regression

7:13 PM Data Cleaning Data management Data Processing
Hi, Could someone please tell me how any variables can we choose maximum as independent variables in a multinomial logistic regression to ...
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