Isabella Chittumuri's repositories
Dog-Cat-Image-Classification
Involving data augmentation, transfer learning using pre-trained model Xception, freeze and unfreeze weights
Evaluate-Snow-Variability-through-a-Climatological-Analysis-in-Northeast-Alaska
This project used NASA satellite to inform and improve the current understanding of snow patterns in the Arctic National Wildlife Refuge and the National Petroleum Reserve – Alaska.
LaTeX-samples
A collection of various LaTeX templates
Alzheimer-MRI-Image-Classification
Constructed an artificial intelligence model to determine dementia level of patients based on MRI images
Establishment-and-Analysis-of-Baseline-Electrical-Data
To validate real-world energy savings and analyze post-retrofit data, we established baseline conditions for energy use and greenhouse gas emissions for the participants of Thermalize Juneau.
Evaluate-Impacts-of-Hurricane-Irma-on-Georgia-Heirs-Property-Owners
To identify potential heirs properties impacted by Hurricane Irma, we created flood extent maps, a socioeconomic overlay, and identified potential areas of structural damage.
Predicting_Electrical_Grid_Stability
Statistical analysis of the smart gird to model and determine the stability of the electrical system in RStudio
Time-Series-Air-Quality-Analysis
Statistical time series analysis of PM2.5 concentration levels in Beijing to model, forecast, and determine air quality levels
Clustering
K-means, Hierarchical, Mclust in RStudio
Confirmatory-Factor-Analysis
CFA, varimax rotation in RStudio
CoxPH-Model-Log-Log-Curve
Verifying PH assumption by looking at Cox PH models and log-log curves in RStudio
Denoising-Autoencoder
Pretrain image classifier using DNN
Encoder-Decoder-Network
Convert date string formats using basic seq2seq model, shifted targets to decoder, and TF-Addons's seq2seq
Kaplan-Meier-and-Wilcoxon
Kaplan-Meier curve, log rank and Wilcoxon test on veteran and addicts dataset in RStudio
Linear-and-Quadratic-Classification
LDA and QDA classification in RStudio
Matrices-and-CDI-modeling
Matrix analysis and clinical documentation improvement (CDI): Residuals, Q-Q, Shapiro-Wilk, Kolmogorov-Smirnov (K-S) in RStudio
MNIST-and-CIFAR10-Image-Classification
Involving keras, tensorboard, Nadam optimization, one-hot encoding, batch normalization, Selu and Relu activation, dropout, and 1cycle scheduling
Multiclass-and-Binary-Sentiment-Analysis
Sentiment analysis of GoEmotions dataset, comparing and contrasting different modeling techniques for multiclass and binary classification
Multivariate-Analysis
Chisq, Shapiro-Wilks, matrix transformations in RStudio
Music-modeling-CNN-and-RNN
Modeling Bach chorales using convolutional and recurrent neural networks with embeddings
Pima-Diabetes-Analysis
Interleaved histogram, adjustment to missing values, ANOVA test, step function, and odds ratio in RStudio
Polytomous-Regression-Anaylsis
Logistic mean response function, odds, likelihood estimates, CI, Wald test, polytomous regression model, anova, chi-square in RStudio
Principal-Component-Analysis
PCA, eigen values and scree plot in RStudio
Response-function-and-CDI-anaylsis
Response function, variance-covariance matrix, first-order linear regression, anova, and P-value test in RStudio
SSR-MSE-F-Statistic
Extra sum of squares due to regression, F-Statistic, marginal linear association, and fitted vs. observed plot in RStudio
Stratified-Cox-Model
Verifying PH assumption using stratified cox models, hazard models, and likelihood ratio test in RStudio
Survival-analysis-of-URI-and-CHD
Upper respiratory infection (URI) and chronic heart disease (CHD) : Cox PH model, hazard ratio, survival curve, and test for confounding variables in RStudio
Swiss-Fertility-Anaylsis
Normal Q-Q plot, Cook's distance, R-squared, and Akaike information criterion (AIC) in RStudio
Turtle-Temperature-Sex-Determination
Binomial response, Chi-squared test, half-normal plot, interaction term in RStudio
Univariate-and-Mulitvariate-Tests
Matrix analysis, test statistic and critical value in RStudio