The C-vision inc. Business Intelligence interview guide, interview questions, salary data, and interview experiences.

C-vision inc. Business Intelligence Interview Guide

<p>Getting ready for an Business Intelligence interview at C-vision inc.? The C-vision inc. Business Intelligence interview span across 10 to 12 different question topics. In preparing for the interview:</p>
<ul>
<li>Know what skills are necessary for C-vision inc. Business Intelligence roles.</li>
<li>Gain insights into the Business Intelligence interview process at C-vision inc..</li>
<li>Practice real C-vision inc. Business Intelligence interview questions.</li>
</ul>
<p>Interview Query regularly analyzes interview experience data, and we've used that data to produce this guide, with sample interview questions and an overview of the C-vision inc. Business Intelligence interview.</p>


Getting ready for an Business Intelligence interview at C-vision inc.? The C-vision inc. Business Intelligence interview span across 10 to 12 different question topics. In preparing for the interview:

- Know what skills are necessary for C-vision inc. Business Intelligence roles.
- Gain insights into the Business Intelligence interview process at C-vision inc..
- Practice real C-vision inc. Business Intelligence interview questions.

Interview Query regularly analyzes interview experience data, and we've used that data to produce this guide, with sample interview questions and an overview of the C-vision inc. Business Intelligence interview.
        

Overview

C-vision inc. Business Intelligence Salary

<p>We've gathered this data from parsing thousands of interview experiences sourced from members.</p>

We've gathered this data from parsing thousands of interview experiences sourced from members.

C-vision inc. Business Intelligence Interview Process

<p>We’re given a table of bank transactions with three columns, <code>user_id</code>, a deposit or withdrawal value (determined if the value is positive or negative), and <code>created_at</code> time for each transaction.</p>

<p>Write a query to get the total three-day rolling average for deposits by day.</p>

<p><em>Note: Please use the format <code>&#39;%Y-%m-%d&#39;</code> for the date in the outout</em></p>

<p><strong>Example:</strong></p>

<p><strong>Input:</strong></p>

<p><code>bank_transactions</code> table</p>

<table>
<thead>
<tr>
<th>Column</th>
<th>Type</th>
</tr>
</thead>

<tbody>
<tr>
<td><code>user_id</code></td>
<td>INTEGER</td>
</tr>

<tr>
<td><code>created_at</code></td>
<td>DATETIME</td>
</tr>

<tr>
<td><code>transaction_value</code></td>
<td>FLOAT</td>
</tr>
</tbody>
</table>
<p><strong>Output:</strong></p>

<table>
<thead>
<tr>
<th>Column</th>
<th>Type</th>
</tr>
</thead>

<tbody>
<tr>
<td><code>dt</code></td>
<td>VARCHAR</td>
</tr>

<tr>
<td><code>rolling_three_day</code></td>
<td>FLOAT</td>
</tr>
</tbody>
</table>


Rolling Bank Transactions

<p>What are the logistic and softmax functions? What is the difference between the two?</p>

<p>What makes them useful for use in logistic regression?</p>


<p>In logistic regression, how is the predicted class determined based on the logistic function?</p>


In logistic regression, how is the predicted class determined based on the logistic function?

Softmax vs Logistic II

<p>What is the key characteristic of the logistic function that makes it useful for mapping continuous values to a probability?</p>


What is the key characteristic of the logistic function that makes it useful for mapping continuous values to a probability?

Softmax vs Logistic I

What are the logistic and softmax functions? What is the difference between the two?

Softmax vs Logistic

<p>Write a query to identify customers who placed more than three transactions each in both 2019 and 2020.</p>

<p><strong>Example:</strong></p>

<p><strong>Input:</strong></p>

<p><code>transactions</code> table</p>

<table>
<thead>
<tr>
<th>Column</th>
<th>Type</th>
</tr>
</thead>

<tbody>
<tr>
<td><code>id</code></td>
<td>INTEGER</td>
</tr>

<tr>
<td><code>user_id</code></td>
<td>INTEGER</td>
</tr>

<tr>
<td><code>created_at</code></td>
<td>DATETIME</td>
</tr>

<tr>
<td><code>product_id</code></td>
<td>INTEGER</td>
</tr>

<tr>
<td><code>quantity</code></td>
<td>INTEGER</td>
</tr>
</tbody>
</table>
<p><code>users</code> table</p>

<table>
<thead>
<tr>
<th>Column</th>
<th>Type</th>
</tr>
</thead>

<tbody>
<tr>
<td><code>id</code></td>
<td>INTEGER</td>
</tr>

<tr>
<td><code>name</code></td>
<td>VARCHAR</td>
</tr>
</tbody>
</table>
<p> 
<strong>Output:</strong></p>

<table>
<thead>
<tr>
<th>Column</th>
<th>Type</th>
</tr>
</thead>

<tbody>
<tr>
<td><code>customer_name</code></td>
<td>VARCHAR</td>
</tr>
</tbody>
</table>


<p>Which of the following queries will return a list of customers and the total amount they have spent on orders?</p>


Which of the following queries will return a list of customers and the total amount they have spent on orders?

Customer Orders

C-vision inc. Business Intelligence Interview Questions

<div><b>Technical Data Analyst 4/Scientist</b></div> <div><b>Preference local to Warren MI open to Texas (Austin). </b></div> <div><b>Hybrid working onsite 3 days a week (Tuesday Wednesday Thursday) for collaboration.</b></div> <div><b>Contract on W2</b></div> <div>  </div> <div>  </div> <div>Must have 8 years of actual experience<br/> Preferable Michigan/Texas (Austin) Hybrid working onsite 3 days a week (Tuesday Wednesday Thursday) for collaboration<br/> <br/> *Research/Data Science/Analytics Background</div> <div>*Sharp Technical/Statistical/Math skills<br/> *Strong data storytelling communication and presentation skills</div> <div>*Displays curiosity and creativity</div> <div>*Ability to liaise with business leads and create tangible next steps from data to create better business outcomes<br/> *Auto industry preferred not mandatory<br/> *R or Python experience is mandatory<br/> <br/> <b>Department: Cadillac Global Strategy & Operations</b></div> <div>  </div> <div><i>Position: Data & Research Scientist</i></div> <div><br/> KEY RESPONSIBILITIES/ACCOUNTABILITIES</div> <div>  </div> <div>Work as an integral member within the Global Strategy & Operations Team with a focus on innovation and analytics providing a key data science component to support the development and execution of global strategy research innovation and operations projects. Provide strong connection and support to strategy and operations managers by developing analytical solutions to address and improve KPIs and business results. Pursues problem identification and impact across large vehicle populations leveraging data mining predictive modeling simulation and visualization techniques to further enhance insight and internal performance optimization.</div> <div>  </div> <div><b>Conduct Advanced Data Analysis and Automation</b>:</div> <ol> <li> <ul> <li>Perform indepth analysis and design search patterns.</li> </ul> </li> </ol> <ol> <li> <ul> <li>Develop automation tools for data mining and reduction.</li> </ul> </li> </ol> <ol> <li><b>Mentorship and Skill Development</b>: <ul> <li>Mentor junior researchers and data scientists to enhance their analytical skills.</li> <li>Foster a collaborative learning environment within the research and strategy team.</li> </ul> </li> <li><b>Stay Informed on Technological Advancements</b>: <ul> <li>Continuously update knowledge on the latest software and hardware innovations and ideate on how to apply.</li> <li>Identify and implement cuttingedge solutions to meet research and strategy objectives.</li> </ul> </li> <li><b>Collaborative Research and Statistical Application</b>: <ul> <li>Establish strong working relationships with interdisciplinary teams including Enterprise Data and Analytics and IT.</li> <li>Review research and strategy project requirements and apply appropriate statistical techniques to data.</li> </ul> </li> <li><b>Data Collection and Refinement</b>: <ul> <li>Drive the acquisition of new data and refine existing datasets.</li> <li>Ensure data quality and relevance for ongoing research and strategy projects.</li> </ul> </li> <li><b>Develop and Communicate Best Practices</b>: <ul> <li>Create best practices for research instrumentation and experimentation.</li> <li>Share these practices with peer teams to enhance research methodologies.</li> </ul> </li> <li><b>Support Complex and RealTime Data Processing</b>: <ul> <li>Develop analytics to support complex event processing and realtime data analysis in big data contexts.</li> </ul> </li> <li><b>Subject Matter Expertise in Research Statistics and Data Analytics</b>: <ul> <li>Serve as an expert in predictive and prescriptive analytics.</li> <li>Ensure research aligns with industry best practices and contributes to the fields body of knowledge.</li> </ul> </li> <li><b>Data storytelling</b> <ul> <li>Use a structured approach for communicating data insights with key elements: data visuals and narrative to explain enlighten or engage the audience. The data story is used to drive and influence change.</li> </ul> </li> </ol> <div>Additional Requirements</div> <ul> <li>8 years of experience using data to solve problems hypothesis testing and create visualizations and storytelling to address business problems</li> <li>8 years of experience in data architecture and data base management</li> <li>8 years of professional development experience</li> <li>Solid experience with Big Data technologies in Data Bricks platform using Python/R</li> <li>Masters degree in STEM fields required.</li> <li>Ph. D in STEM fields preferred.<br/> <br/> Share your resumes at </li> </ul>

C-vision inc. Business Intelligence Interview Guide

Overview

C-vision inc. Business Intelligence Salary

C-vision inc. Business Intelligence Interview Process

C-vision inc. Business Intelligence Interview Questions

C-vision inc. Business Intelligence Jobs