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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Distance between observations in different data bases

Distance between observations in different data bases

Tuesday, June 29, 2021 Data Cleaning Data management Data Processing
Hi, I have two data bases (1 & 2). I can compare longitude and latitude between them but nothing more. How can I know if point A , in da...
Combining bar graphs from different binary variables

Combining bar graphs from different binary variables

3:25 PM Data Cleaning Data management Data Processing
Dear all, I'm trying to get a combined bar chart for an overview of the proportions from three different binary variables (yes/no) in ...
Changing variable value across cross-sectional units in panel data if criteria is met

Changing variable value across cross-sectional units in panel data if criteria is met

3:25 PM Data Cleaning Data management Data Processing
I have panel data in which my cross-sectional units are farms. I am correcting a variable for the years farmed by the operator. For some far...
Chi Square Test for Suvery Weighted Data

Chi Square Test for Suvery Weighted Data

2:25 PM Data Cleaning Data management Data Processing
Hello Everyone, I am trying to conduct Chi-Square test on proportion using the survey data. I have specified the survey design and weights ...
Geometric means - gmci

Geometric means - gmci

8:25 AM Data Cleaning Data management Data Processing
Hi! I use the command gmci often because I work with a lot of log-normally distributed datasets. The option by() is not allowed, and I a...
Multiple color forest plot

Multiple color forest plot

8:25 AM Data Cleaning Data management Data Processing
Hi, I want to create two different plot color for "inc" and "mort" by "cancer_type". Using the codes below, I...
discrete-time survival analysis (xtcloglog) the outcome problems

discrete-time survival analysis (xtcloglog) the outcome problems

7:25 AM Data Cleaning Data management Data Processing
Hi everyone, I am running a discrete-time survival analysis about firm survival on an unbalanced panel data by using xtcloglog command in...
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