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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LSDV, problem with dummy variables and significance

LSDV, problem with dummy variables and significance

Friday, March 1, 2019 Data Cleaning Data management Data Processing
Hello, my data: panel data, 260 observations; 20 Regions and time period: 2004 to 2016. I have found endogeneity between corruption and ...
parsing with variant length strings; overcoming ustrregexra greediness

parsing with variant length strings; overcoming ustrregexra greediness

9:13 AM Data Cleaning Data management Data Processing
I'm currently trying to parse text from string variables like this: Code: * Example generated by -dataex-. To install: ssc install ...
How to Identify Individuals who have moved in and out of a certain state(say poor to good Health) after calculating the transition Matrix

How to Identify Individuals who have moved in and out of a certain state(say poor to good Health) after calculating the transition Matrix

8:47 AM Data Cleaning Data management Data Processing
Hello guys! May I ask your assistance on how can I identify the individuals who have moved in and out of a certain state i.e poverty over ...
compare coefficients with xtrifreg

compare coefficients with xtrifreg

8:47 AM Data Cleaning Data management Data Processing
I estimated unconditional quantile regression using xtrifreg. As a next step, I would like to compare the equality of coefficients across qu...
How to masginsplot for variable subcategories

How to masginsplot for variable subcategories

8:12 AM Data Cleaning Data management Data Processing
I want to create marginsplot for this equation Code: logit diabetes i.Age i.year I tried Code: margins Age, at (year= 1999 2004 200...
Calculate control and cash flow right

Calculate control and cash flow right

7:57 AM Data Cleaning Data management Data Processing
Dear Listers, I have data regarding the anatomy of corporate control of different listed firms. The data is organized in pair of firms as ...
Count number of alive children within household

Count number of alive children within household

7:33 AM Data Cleaning Data management Data Processing
I am trying to compare different variables for different observations within a group - and I am not sure if this is even possible in Stata. ...
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