<h3 class="uui-heading-subheading">Data Preparation and Cleaning</h3><div class="jtbd-card"><div class="jtbd-card-single">Collecting and aggregating data from multiple sources. </div><div class="jtbd-card-single">Cleaning and preprocessing data for analysis. </div><div class="jtbd-card-single">Identifying and handling missing values in datasets. </div><div class="jtbd-card-single">Transforming data formats for compatibility with models. </div></div><h3 class="uui-heading-subheading">Model Development and Evaluation</h3><div class="jtbd-card"><div class="jtbd-card-single">Developing machine learning models using Python or R. </div><div class="jtbd-card-single">Tuning hyperparameters for optimal model performance. </div><div class="jtbd-card-single">Evaluating models using cross-validation techniques. </div><div class="jtbd-card-single">Comparing multiple models to select the best performer. </div></div><h3 class="uui-heading-subheading">Data Visualization and Reporting</h3><div class="jtbd-card"><div class="jtbd-card-single">Creating dashboards to visualize key performance indicators. </div><div class="jtbd-card-single">Designing interactive visualizations using tools like Tableau. </div><div class="jtbd-card-single">Generating automated reports for stakeholders. </div><div class="jtbd-card-single">Presenting findings and insights to non-technical audiences. </div></div><h3 class="uui-heading-subheading">Collaboration and Communication</h3><div class="jtbd-card"><div class="jtbd-card-single">Working with cross-functional teams to define project scope. </div><div class="jtbd-card-single">Translating business requirements into data science tasks. </div><div class="jtbd-card-single">Providing technical guidance to junior data scientists. </div><div class="jtbd-card-single">Documenting processes and methodologies for reproducibility. </div></div>