Remove Business Intelligence Remove Decision Trees Remove Exploratory Data Analysis
article thumbnail

Basic Data Science Terms Every Data Analyst Should Know

Pickl AI

Data Scientists use various techniques, including Machine Learning , Statistical Modelling, and Data Visualisation, to transform raw data into actionable knowledge. Importance of Data Science Data Science is crucial in decision-making and business intelligence across various industries.

article thumbnail

Top 50+ Data Analyst Interview Questions & Answers

Pickl AI

I conducted thorough data validation, collaborated with stakeholders to identify the root cause, and implemented corrective measures to ensure data integrity. I would perform exploratory data analysis to understand the distribution of customer transactions and identify potential segments.

article thumbnail

Data Analysis vs. Data Visualization – More Than Just Pretty Charts

Pickl AI

It involves handling missing values, correcting errors, removing duplicates, standardizing formats, and structuring data for analysis. Exploratory Data Analysis (EDA): Using statistical summaries and initial visualisations (yes, visualisation plays a role within analysis!)