BJ Data Tech Solution

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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Two-Way Coefplot

Two-Way Coefplot

Monday, November 1, 2021 Data Cleaning Data management Data Processing
I am running 40 regressions. In each regression I regress an indicator for having price at least as great as a certain value (e.g. 0, 2500, ...
Robust SEs with weighted senspec

Robust SEs with weighted senspec

5:23 PM Data Cleaning Data management Data Processing
I am weighting survey data with pweight and have successfully estimated sensitivity and specificity for the outcome of interest. I have used...
Help with xtdcce2

Help with xtdcce2

5:23 PM Data Cleaning Data management Data Processing
Dear community, I am trying to implement CS-ARDL model via xtdcce2. I am using 9 countries and 1990-2018 data and the version of stata is ...
recoding dummy variables

recoding dummy variables

2:23 PM Data Cleaning Data management Data Processing
How do I recode my dummy variables please? I have 3 categories 0,1,2 and I mistakenly coded 1 for 2 so I need to switch it around. 0 is fine...
Regression across sub-samples vs by using interaction term

Regression across sub-samples vs by using interaction term

2:23 PM Data Cleaning Data management Data Processing
Dear all, I want to do regression across three sub-samples. However the result of regressing them separately vs. using interaction term is...
Export Confidence Intervals with Putexcel

Export Confidence Intervals with Putexcel

2:23 PM Data Cleaning Data management Data Processing
Hi, I would like to export confidence intervals for means to excel. For exporting the mean of xxx I use that code: svy: tab xxx matrix...
Compare hazard ratios from non-nested models

Compare hazard ratios from non-nested models

2:23 PM Data Cleaning Data management Data Processing
Dear Statalisters, A seemingly simple question that I have not been able to resolve by searching old forum posts. I want to compare indivi...
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