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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Regular expression help

Regular expression help

Friday, March 1, 2019 Data Cleaning Data management Data Processing
Hello, Apologies for making a second regular expressions-related post today, but the topic is new to me and I've struggled to answer m...
Command to obtain effect sizes.

Command to obtain effect sizes.

12:52 PM Data Cleaning Data management Data Processing
Hello, I am running two models on a panel data of 50 firms over 15 years (one using the xtnbreg and the other using xtreg). I tried to obta...
Identifying recession points

Identifying recession points

11:37 AM Data Cleaning Data management Data Processing
Hello, I have a dummy variable with 1 and -1: 1 corresponds to a peak, and -1 - to a trough. I want to replace the points between 1 and -1...
Drawing a line through the outer XY combinations below the trend line

Drawing a line through the outer XY combinations below the trend line

11:17 AM Data Cleaning Data management Data Processing
The eventual goal is to assign minimum value of actl for a new exp value (where actl is missing). I think I should first come over the issue...
How to avoid losing variable labels when using collapse command

How to avoid losing variable labels when using collapse command

11:07 AM Data Cleaning Data management Data Processing
I have smallholder agriculture plot level commercialization data which i want to collapse to household level data. To avoid losing variable ...
Collapse (mean) and data ordering

Collapse (mean) and data ordering

10:47 AM Data Cleaning Data management Data Processing
Hi statalist, I'm working with a data set that resembles the following: ID Income 1 50 1 40 1 20 2 10 2 40 2 50 3 60 3 20 3...
Storing results with a large loop (>11000)

Storing results with a large loop (>11000)

10:47 AM Data Cleaning Data management Data Processing
I am trying to store results across a large loop. I have previously done as follows but am limited to the matrix size (11000). matrix z=J[...
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Popular Articles

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