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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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McNemar's chi2 test for proportion

McNemar's chi2 test for proportion

Wednesday, May 24, 2023 Data Cleaning Data management Data Processing
Dear Community, In a RCT design with 2 groups (control group n=18 ; and Exercise Training group n=17) that were tested at baseline and at 2...
Interpretation Magnitude Interaction Two Continuous Variables Economic Significance

Interpretation Magnitude Interaction Two Continuous Variables Economic Significance

2:24 AM Data Cleaning Data management Data Processing
Hi all, I have read a few threads regarding this topic (e.g. https://www.statalist.org/forums/for...uous-variables ) but have not yet foun...
Thoughts about Cross-lagged panel

Thoughts about Cross-lagged panel

12:23 AM Data Cleaning Data management Data Processing
I am currently sitting on modeling for a paper and had actually assumed that I was well positioned with my model. However, in consultation w...
Order variables from left to right based on their latest value

Order variables from left to right based on their latest value

Tuesday, May 23, 2023 Data Cleaning Data management Data Processing
I would like to order the variables (corresponding to the Stata command "order") from left to right based on the latest observatio...
Rolling windows VAR IRF and graphs

Rolling windows VAR IRF and graphs

5:23 PM Data Cleaning Data management Data Processing
Dear Stata users, I am trying to implement the var, vector autoregression, and a panel var (pavar) stata command using rolling windows. Whi...
Repeated measures ANOVA

Repeated measures ANOVA

3:23 PM Data Cleaning Data management Data Processing
Dear Statalist, I'm currently trying to replicate a piece of analysis originally done on SPSS in Stata 17 (Mac OS); specifically, a re...
Order data in descending order

Order data in descending order

2:24 PM Data Cleaning Data management Data Processing
Dear all, I use the TNIC data from Hoberg&Phillips and want to sort the scores pro competitor_rank1 in descending order in order to ke...
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