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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finding keywords in string variables

finding keywords in string variables

Thursday, October 28, 2021 Data Cleaning Data management Data Processing
Dear Statalister I'm working on a dataset and I need to create a dummy variable equals 1 if the string variable contain words or phras...
recovering the estimate of an interaction term using margins when the base level of all zeros is not included

recovering the estimate of an interaction term using margins when the base level of all zeros is not included

2:23 PM Data Cleaning Data management Data Processing
Hi Fellow Statalisters, In a recent posting ( https://www.statalist.org/forums/forum/general-stata-discussion/general/1632906-recovering-t...
One line code for performing arithmetic operation (here multiplication) while merging two datasets

One line code for performing arithmetic operation (here multiplication) while merging two datasets

2:23 PM Data Cleaning Data management Data Processing
Suppose, I have two datasets given below, now how can I merge the datasets so that resulting values in the merged dataset gets multiplied wi...
catplot - how to show n to the left of the bars, percentages within bars, and mean values outside the bars (to the right)

catplot - how to show n to the left of the bars, percentages within bars, and mean values outside the bars (to the right)

2:23 PM Data Cleaning Data management Data Processing
Dear all, I am using the community-contributed command catplot from SSC in Stata 16.1 in order to produce a number of graphs (with horizo...
doiplot - postestimation module after metan for plots that address asymmetry or heterogeneity

doiplot - postestimation module after metan for plots that address asymmetry or heterogeneity

8:23 AM Data Cleaning Data management Data Processing
Dear All There is now a post-estimation command after metan to visualize studies in meta-analysis that make it easy to visualize study asy...
Identifying first and second re-admissions in a health dataset

Identifying first and second re-admissions in a health dataset

8:23 AM Data Cleaning Data management Data Processing
I am working with Stata/MP 15.1 and have appended two datasets. Database 1 includes a list of patients that had a specific operation. Each...
How Can I Perform Panel Unit Root with Structural Breaks Especcially Fourier Panel KPSS TEST

How Can I Perform Panel Unit Root with Structural Breaks Especcially Fourier Panel KPSS TEST

8:23 AM Data Cleaning Data management Data Processing
ı want to briefly explain my data set. I have N:25 T:15 data set. I want to perform Fourier Panel KPSS test in stata. But ı cant found this ...
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