I will help you with statistical and predictive data analysis

Statistical Data Analysis From Basic to Advanced

I provide end-to-end data analysis, including data pre-processing, statistical analysis, visualization, and interpretation, to help you make Profitable-decisions.

1. Exploratory Analysis

• Descriptive statistics: mean, median, mode, standard deviation, variance
• Frequency distributions and cross-tabulations (row, column, total percent)
• Data visualization and custom measures (skewness, kurtosis, normality)

2. Inferential Analysis

• Hypothesis testing and relationship assessment
• T-tests, Chi-square, ANOVA, n-way ANOVA/ANCOVA
• Correlation, OLS regression, logistic regression, mixed models

3. Forecasting & Predictive Modeling

• Regression: linear and non-linear models
• Supervised machine learning algorithms: Random Forest, XGBoost, Decision Trees
• Model tuning, evaluation, and cross-validation

Domains

• Sales & Marketing Analytics: product performance, market trends, ROI
• HR & Operational Analytics: workforce performance, attrition, productivity
• Financial Analysis: profit and loss, revenue trends, forecasting
• Forecasting & Predictive Modeling: sales, demand, inventory, revenu
• Academic & Research Analytics: survey analysis, publications