Jamel Dargan

Jamel Dargan

Norfolk, Virginia, United States
449 followers 453 connections

About

As Director of Data Engineering at a national solar and renewable energy trade…

Articles by Jamel

  • One More Cup of Coffee for Tableau

    Having recently explored how to create maps from location names, in Tableau, I thought I would follow up with a couple…

  • How to Map Data on the County Level in Tableau

    Overview The geograpies of counties and county-level equivalents are often oddly-shaped and meandering. A smaller…

  • Programming: Counting List Items, in Python

    While making a list is a fairly basic task, keeping track of how many times each item appears on the list can become a…

  • Publishing Interactive Plots

    VISUAL EDA IN PYTHON Chances are, you can't make much out from the static image, above. When I decided to explore data…

Activity

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Experience

  • Solar Energy Industries Association Graphic

    Solar Energy Industries Association

    Washington, District of Columbia, United States

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    Norfolk, Virginia Area

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    United States

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    United States

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    Norfolk, Virginia Area

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    Tampa/St. Petersburg, Florida Area; virtual

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    Clearwater, FL

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    Clearwater, FL

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    Tampa/St. Petersburg, Florida Area

Education

Licenses & Certifications

Projects

  • Evaluate a Display Ad Campaign

    • Presented results of a display advertising campaign, calculated ROI, compared Ad Group performance, and performed keyword analysis.
    • Compared metrics, including click-through-rate, conversion rate, and cost-per-acquisition and their weighted value, based on campaign objecives.
    • Highlighted the potential to effect performance via A/B testing and keyword matching.

    See project
  • SEO Audit

    • Audited an existing, provided site for optimization.
    • Used industry tools from Moz, SEMRush, Pingler, and Google, to identify a number of opportunities to optimize metadata, pursue quality backlinks, and to improve site speed.

    See project
  • Facebook Campaign

    • Created a target objective for to generate 3 leads in 3 days, generating positive ROI, on a $125 budget.
    • Achieved positive ROI but missed its lead-generation target, highlighting the challenges of short-term campaigns and the usefulness of ad variant tests.
    • Suggested ways forward, regarding demographics and location (geo-fencing), based on Ad Set performance results.

    See project
  • Influence Over Inference: Pytorch Influence Functions

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    Debugging a deep learning model, using the Pytorch Influence Functions package | Which training data exert the most influence over a neural network model's outcomes?

    framework: Jupyter Notebook
    languages: Python

    libraries and modules:
    CUDA
    Numpy
    OS
    PyTorch:
    pytorch-influence-functions
    torchvision
    torch.nn
    torch.optim
    Sys

    visualization libraries:
    Matplotlib

    See project
  • Online News Prediction

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    Binary classification using sklearn pipeline, sequential feature selection, multiple algorithm comparison, hyperperameter tuning, and XGBoost | What features are best able to predict how often an online article will be shared?

    framework: Jupyter Notebook
    languages: Python

    libraries and modules:
    Mlxtend SequentialFeatureSelector,
    Numpy,
    OS,
    Pandas,
    Pickle,

    Scikit-Learn:
    ensemble,
    linear_model,
    metrics,
    model_selection,
    pipeline…

    Binary classification using sklearn pipeline, sequential feature selection, multiple algorithm comparison, hyperperameter tuning, and XGBoost | What features are best able to predict how often an online article will be shared?

    framework: Jupyter Notebook
    languages: Python

    libraries and modules:
    Mlxtend SequentialFeatureSelector,
    Numpy,
    OS,
    Pandas,
    Pickle,

    Scikit-Learn:
    ensemble,
    linear_model,
    metrics,
    model_selection,
    pipeline,
    preprocessing,
    tree,
    XGBoost,
    Yellowbrick classifier,
    DiscriminationThreshold,
    roc_auc,

    visualization libraries:
    Matplotlib,
    Seaborn,
    Mlxtend plotting

    See project
  • Making Movies

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    Exploratory data analysis of recently successful movie titles, genres, and studios.

    framework: Jupyter Notebook
    languages: Python

    Libraries and modules, incl.:
    Pandas,
    Numpy,
    Sqlite3,

    Visualization:
    Matplotlib,
    Seaborn

    See project

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