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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Plot log outcome on predicted propensity of Treatment

Plot log outcome on predicted propensity of Treatment

Thursday, May 30, 2019 Data Cleaning Data management Data Processing
Hey, I would like to draw a graph like the one below. How to i do that? The one in the bottom i have already drawn, but it is the upper on...
Interpretation of the margins plot with categorical variables

Interpretation of the margins plot with categorical variables

12:22 AM Data Cleaning Data management Data Processing
Hello every one, Iam having trouble interpreting a margins plot and the margins output as well whiile doing latent class analysis. All my va...
Generating unique ID variable from numeric and categorical variables

Generating unique ID variable from numeric and categorical variables

12:02 AM Data Cleaning Data management Data Processing
Hello all, I am new to forum and I have a question about generating new IDs. Thanks for your patience as I get started. In my dataset, obs...
Finite mixture model vs. Latent class model

Finite mixture model vs. Latent class model

Wednesday, May 29, 2019 Data Cleaning Data management Data Processing
Hi scholars, Would you please explain the difference between Finite mixture model and Latent class model? From my quick reading, both iden...
Hosmer–Lemeshow test for large data sets

Hosmer–Lemeshow test for large data sets

6:22 PM Data Cleaning Data management Data Processing
Hosmer–Lemeshow test for large data sets gives low p value despite perfectly fitting model. Increasing the number of groups from 10 to 13, ...
reshape command

reshape command

5:17 PM Data Cleaning Data management Data Processing
hi, I need to reshape a huge data set wide to long (2557 binary variables and 1.6 million observations). I m using stata mp 15 on a supercom...
Using Multiple Imputations in Propensity Score Matching

Using Multiple Imputations in Propensity Score Matching

5:17 PM Data Cleaning Data management Data Processing
Hello everyone, I want to see the impact of a treatment, hence, using the propensity score matching method. However, I have missing data i...
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