October 4, 2021

Data Salaries in 2021, Freelancing data, Activation functions

🗯 Quick update

• Last month, O'Reilly released the 2021 Data/AI Salary Survey. It's a good insight into the most well-paid programming languages, tools, cloud providers, etc. Download it here.

• To understand the Data Science/Data Engineering freelance market, I've been extracting data from Upwork, a website for people finding freelancers and for freelancers to find tasks. The goal is to understand a few things, such as the most sought-out skills, the highest/lowest paying jobs.

• Remember to check the most popular Reddit posts this week on data-related boards. 👇

🔮 Data Science

• All about activation functions
• How to calculate time-weighted averages

👋 See you next time

Let's keep in touch,\ Pedro.

website | twitter | medium | github | stackoverflow | linkedin

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🔝 Most popular Reddit posts this week

r/DataScience

• It’s a sad day, spilled coffee on the ML bible (1088 upvotes; 154 replies)
• Just recently turned in my two weeks notice as an analyst (331 upvotes; 61 replies)
• Manager: Do you wish to give up on this and focus on simpler projects? Me: Okay. Manager: We don't have simpler projects. (233 upvotes; 54 replies)
• Women in data science/analytics? (223 upvotes; 197 replies)
• How to visualize decision tree (210 upvotes; 12 replies)

r/DataEngineering

• Please Critique my Resume: Data Analyst transitioning to Data Engineer (121 upvotes; 59 replies)
• What made you choose DE over DS? (83 upvotes; 74 replies)
• Your default tool for ETL (75 upvotes; 142 replies)
• Data engineering with python? (59 upvotes; 25 replies)
• Data quality metrics for data warehouses (or: KPIs for KPIs) (51 upvotes; 4 replies)

r/MachineLearning

• [R] Vision Transformers for Dense Prediction (494 upvotes; 6 replies)
• [R] Deepmind's weather forecasting model 'Nowcasting' provides high-accuracy short-term weather prediction and better than traditional models for both accuracy and usefulness. (340 upvotes; 35 replies)
• [D] Has the ResNet Hypothesis been debunked? (297 upvotes; 76 replies)
• [NEWS] Google Colab(Pro+) gives A100 GPU! (181 upvotes; 61 replies)
• [P] SpotML - Managed ML Training on cheap AWS/GCP Spot Instances (184 upvotes; 51 replies)

r/LearnMachineLearning

• Still a work in progress but I trained an agent in Unity (ML-agent package) to drive an RC car through gates . I am planning to get it to control a real RC car . I have been told many times that I should not go thought the actual controller but I like making these little robots too much! (1370 upvotes; 52 replies)
• A direct comparison of kNN for different values of k (334 upvotes; 10 replies)
• We have created a FREE 12+ hour course 'Mathematics For Machine Learning' prepared by our team member Fabio Mardero (A Data Scientist)- Feel free to give your feedback (331 upvotes; 21 replies)
• I made an AI to predict the outcome of a PVP round in Teamfight Tactics (248 upvotes; 44 replies)
• LEGO Object Detection Dataset, Free For Anyone (140 upvotes; 7 replies)

r/AskStatistics

• I have an incredibly hard time knowing when to take the log of variables for regression analysis. Can someone please help me? (23 upvotes; 26 replies)
• Why do statistics on poverty in the UK show a higher rate of child poverty compared to adult poverty? (11 upvotes; 13 replies)
• How should I interpret this scatter plot? Is it just as simple as saying that there is a moderate positive linear relationship? (10 upvotes; 8 replies)
• Likert scale to t-test (8 upvotes; 3 replies)
• What is the appropriate measure of correlation to show these 2 users are the same person? (8 upvotes; 3 replies)

r/LatestInML

• Practical MLOps: Operationalizing Machine Learning Models ebook (14 upvotes; 0 replies)
• Learning or working with AI? Come join us, we are a Discord Community with close to 20 000 members! Ask questions, find teammates, share your projects, and much more! (12 upvotes; 4 replies)
• The 3 most interesting AI papers this month with video demos, short articles covering them, code, and paper reference! (5 upvotes; 0 replies)
• Teach Computers to Understand Videos and Text without Labeled Data - VideoClip (4 upvotes; 0 replies)

r/MLQuestions

• Neural Networks, Manifolds and Topology (17 upvotes; 2 replies)
• Is it correct to say Logistic regression is solved using MLE ? (10 upvotes; 4 replies)
• Dataset of Molecular Simulation Trajectories for ML studies (7 upvotes; 4 replies)
• Best open-source solution for finding duplicate images in a collection of ~15,000 images (7 upvotes; 5 replies)
• What type of domain shift exists in my data? (4 upvotes; 0 replies)