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Modeling and Accounting for LD Reference Mismatch in Summary Statistics Fine-mapping3 days ago
Load the package and data | Case design | Data | Step 1: find allele flips with kriging | Kriging check | Fine-mapping before and after the correction | Step 2: reference panel mismatch | SuSiE-rRSS: R_finite and R_mismatch | The same with a sketch of the reference panel | Step 3: when SuSiE-rRSS is not enough, SER_fallback points to the SER model | What SER_fallback checks | The SER model | Step 4: several reference panels | Summary | Session information | Reference
News and Updates3 months ago
Release notes | Version 2.0.0 - Major Release | Release Overview | New Features | Enhancements
Fine-mapping with summary statistics5 months ago
The data-set | Summary statistics from simple regression | Fine-mapping with susieR using summary statistics | Single-effect summary-statistics analysis without LD | Fine-mapping with susieR using LD matrix from reference panel | Session information
Post-hoc credible-set filtering without an LD reference5 months ago
Example | References | Session information
Compare susie_rss variants5 months ago
Diagnostic for fine-mapping with summary statistics5 months ago
LD information from the original genotype data | LD information from the reference panel | Session information
Fine-mapping example6 months ago
The data-set | Simple regression summary statistics | Fine-mapping with susieR | Credible sets | Posterior inclusion probabilities | Choice of priors | A note on covariate adjustment | Sufficient statistics: compute_suff_stat and susie_ss | Session information
Accounting for uncertainty in residual variances for small sample studies6 months ago
Data | Baseline SuSiE fit | SuSiE with Servin-Stephens SER | References
Fine-mapping with SuSiE-ash and SuSiE-inf8 months ago
Data | Summary Statistics and Z-Scores | Step 1: Standard SuSiE and False Positives | Step 2: Increasing Purity to Reduce False Positives | Step 3: Fitting SuSiE-inf | Step 4: SuSiE-ash Achieves the Middle Ground | Summary | What if we increase L for standard SuSiE? | Session Information
Introduction to mr.mash10 months ago
Define the mr.mash prior | Fit a mr.mash model to the data | Use the fitted mr.mash model to make predictions
Refine SuSiE model11 months ago
Session information
SuSiE with L0Learn initialization example11 months ago
Simulate data | Fit L0Learn | Build an initialization object | Run susieR with initialization | References
Evaluation of sparse version of SuSiE11 months ago
Set up environment | Overview | Simulate data | X in a dense form | X in a sparse form | Further step
Trend filtering11 months ago
Introduction | Examples
Extending ebnm with custom ebnm-style functions1 years ago
The scaled-t prior family | Overview of the implementation process | Step 1: Define the prior family class | Step 2: Implement the optimization function | (Optional) Include gradients in the optimization | Step 3: Implement the posterior summary function | Step 4: Put it all together | Step 5: Verify the EBNM function | Step 6: Use the new EBNM function to analyze a data set | Session information
Introduction to the empirical Bayes normal means model via shrinkage estimation1 years ago
The normal means model and empirical Bayes | An illustration: shrinkage estimation | Session information | References
ASH-based wavelet shrinkage for heteroskedastic models2 years ago
Set up environment | Preparations | Constant variance example | Non-constant variance example | Estimating the variance function | Unevenly spaced data | Unevenly spaced data with constant variance | Unevenly spaced data with non-constant variance | Poisson-distributed data example | Constant variance | Non-constant variance | Simulation example from Fan & Yao (1998) | Treasury Bill example from Fan & Yao (1998) | Average replicate data | Heavisine example from Delouille et al (2004) | Motorcycle example from Delouille et al (2004) | Session info
An analysis of weighted on-base averages using the ebnm package3 years ago
The "wOBA" data set | The "ebnm" function | Comparing different priors | Reanalyzing the data using a nonparametric prior | Background on the "weighted on-base average" | Session information | References
Illustration of mixsqp applied to a small data set, and a large one3 years ago
Environment set-up | Generate a small data set | Fit mixture model | Session information
Empirical Bayes matrix factorization for data driven prior3 years ago
Introduction | Dataset simulation | FLASH analysis | Finalize covariances | Fit mash model (estimate mixture proportions) | Compute posterior summaries
Introduction to mashr4 years ago
Goal | Outline | Simulate some data | Step 1: Read in the data | Step 2: Set up the covariance matrices | Step 3: fit the model | Step 4: Extract Posterior Summaries | Sharing | Measure of fit (log-likelihood) | Estimated mixture proportions | Metaplot | Session information.
Accounting for correlations among measurements4 years ago
Introduction | Method 1 | Method 2
eQTL analysis outline4 years ago
Introduction | Analysis strategy outline | Example | Correlation structure | Data driven covariances | Fit mash model (estimate mixture proportions) | Compute posterior summaries
Sample from mash posteriors5 years ago
Introduction | Fit mash model with samples from the posteriors | Pairwise sharing
mashr with common baseline5 years ago
Introduction | Illustration | The right way | The wrong way
A minimal example6 years ago
Session information
mashr with common baseline at mean6 years ago
Introduction | Illustration
Mapping QTLs in outbred mice using varbvs8 years ago
Vignette parameters | Load the genotype and phenotype data | Fit variational approximation to posterior | Summarize the results of model fitting | Session information
Comparison of glmnet and varbvs in Leukemia data set8 years ago
Vignette parameters | Load the Leukemia data | Fit elastic net model to data | Evaluate the glmnet predictions | Visualize results of glmnet analysis | Fit variational approximation to posterior | Evaluate the varbvs predictions | Visualize results of varbvs analysis | References | Session information
Introduction to mash: data-driven covariances8 years ago
Goal | Outline | Data-driven covariances | Step 1: select strong signals | Step 2: Obtain initial data-driven covariance matrices | Step 3: Apply Extreme Deconvolution | Run mash | Session information.
Simulation with non-canonical matrices9 years ago
Goal | Simple simulation
Mapping disease risk loci using varbvs9 years ago
Load the genotype and phenotype data | Fit variational approximation to posterior | Save the results to a file | Summarize the model fitting
Assessing support for gene sets in disease using varbvs9 years ago
Load the genotypes, phenotypes and pathway annotation | Fit variational approximation to posterior | Save the results to a file | Summarize the results of model fitting
An illustration of EbayesThresh with heterogeneous variance9 years ago
Illustration of Adaptive Shrinkage10 years ago
Session information.