All functions

VarSelLCMproba.post()

Bug fix to predict function in the VarSelLCM package

adjustByCovariates()

Covariate adjustment

adjustByCovariatesUni()

Covariate adjustment for many variables based on a single variable

adjust_p_values()

Adjust P-values and Return Subsetted Dataframe

analyze_longitudinal_change()

Analyze and Visualize Longitudinal Change with a Mixed-Effects Model

asam()

Compute ASymmetry-Adjusted Mean (ASAM) for Asymmetry Analysis

assembleTestRetest()

Find test-retest data within a dataframe

assign_qc_ratings_NM2DMT()

Assign Quality Control Ratings Based on Specific Criteria

asymind()

Asymmetry index for asymmetry analysis

asymmetry()

Compute Various Asymmetry Metrics Between Two Sides

augment_with_custom_color()

Augment a Data Frame with Custom Color Column

averageRepeats()

Average repeat data

balanceDataMultiClass()

balanced sampling of a multi-class variable

balancedDataframe()

balanced sampling of a variable

biclusterMatrixFactorization()

Matrix factorization biclustering

bipartite_variable_match()

Bipartite Variable Match

clearcolname()

clearcolname

collect_and_zip_images()

Collect and Zip Images Based on Subject-Date List

combat_with_na()

Apply ComBat Batch Correction While Preserving Missing Data

compare_model_predictions()

Compare Model Predictions with True Values

complete_cases_from_equation()

Extract Complete Cases from a Data Frame Based on a Model Equation

consensusSubtypingCOCA()

consensusSubtypingCOCA

consensusSubtypingPAM()

consensusSubtypingPAM

consensusSubtypingPredict()

consensusSubtypingPredict

consensusSubtypingPrep()

consensusSubtypingPrep

consensusSubtypingTrain()

consensusSubtypingTrain

convert_to_random_effects()

Convert Character Vector to Random Effects Terms for lme4

count_unique_subjects_per_diagnosis()

Count Unique Subjects per Diagnosis

create_radar_chart()

Create a Radar Chart

create_table1()

Create a Publication-Ready Summary Table (Table 1)

dataPartition()

balanced data partition

dcurvarsel()

dcurvarsel

eliminateNonUniqueColumns()

Eliminate Non-Unique Columns from a Matrix

featureImportanceForSubtypes()

subtype feature importance

fill1col2another()

fill1col2another

fillBaselineColumn()

fill baseline column

filterByVisit()

Get subjects within a given set of visits

filterForGoodData()

Uses outlierness scoring to filter a data frame

filterNAcolumns()

Filter Columns by Percentage of NA Values

find_closest_subjects()

Find Closest Subjects

force_unload_package()

Forcefully Unload a Package in R

fs()

Convert NA to false

generateSubtyperData()

Generate example data for illustrating subtyper

getExt()

Get the file extension from a file-name. from reader package.

getNamesFromDataframe()

Extract column names with concatenated search parameters

grepl_multi()

Multi-pattern Matching in Character Vectors

harmonize_sites()

Harmonize Multiple Features Across Sites with Progress Indicator

harmonize_sites_quantiles()

Harmonize Multiple Features Across Sites with Quantile Matching

hierarchicalSubtypePlots()

subtype plotting

highestQualityRepeat()

Get subjects and timepoints with the best quality

identify_best_voi()

Identify Best Variable of Interest (VOI)

interpret_icc()

Interpret ICC Value

kable_table()

Create a Styled LaTeX Table with Adjustable Size and Orientation

lm_anv_p_and_d()

Linear Regression Analysis with ANOVA and Effect Size Calculation

lmer_anv_p_and_d()

Fit and compare linear mixed-effects models and calculate effect sizes.

lmer_anv_p_and_d_old()

Linear Mixed Effects Model Analysis with ANOVA and Effect Size Calculation

log_parameters()

Log Parameters of a Function Call

mapAsymVar()

Convert left/right variables to a measure of asymmetry

mapLRAverageVar()

Convert left/right variables to an average measurement

matchVectorDistributionByQuantiles()

Match a pair of vector distributions based on quantiles

match_cohort_pair()

Minimize the difference between two data frames based on t-statistic.

match_data_frames()

Match Data Frames Using Greedy K-Nearest Neighbors

merge_ADNI_antspymm_by_closest_date()

Process Clinical/Demographic and imaging Data for an ADNI Study

merge_ppmi_imaging_clinical_demographic_data()

Process Clinical/Demographic and imaging Data for a PPMI Study

mlr3classification()

mlr3classifier

mlr3classifiercv()

mlr3classifiercv

mlr3classifiers()

mlr3classifiers

multigrep()

Grep entries with a vector search parameters

na2f()

Convert NA to false

nallspdma

nallspdma

normativeSummary()

Normative Summary

nrgDateToRDate()

Convert nrg format date to R format date

outlierness()

Outlierness scoring

oversample_minority()

Oversample a minority class in a data frame

plinkVariantsDataFrame()

genetic variants data frame from plink data

plotCategoricalData()

Plot Categorical Data

plotSubtypeChange()

Plot longitudinal trajectories across subtypes

plot_regression_graph()

Plot Regression Results as a Graph

predictSubtypeClusterMulti()

Predict subtype from multivariate data

predictSubtypeUni()

Predict subtype for univariate data

prplot()

prplot

quantSquared()

quantify by quantiles (quantSquared)

rank_results()

Rank Rows Based on Weighted Scores of Specified Columns

regressionBasedFeatureSelection()

select top features via linear regression on an outcome

rejectLowestQualityRepeat()

Reject subjects and timepoints with lowest quality

rename_columns()

Rename Columns in a Data Frame

reorderingDataframe()

Reorder a subtype variable based on an external reference vector

replaceName()

Carefully replace a column name with a new one

replace_values()

Replace Values in a Vector

replace_values_by_key()

Replace Multiple Columns in Dataframe Based on a Matching Key

rowwise_linear_variable_adjustments()

Row-wise linear adjustments to variables in a dataframe

run_association_analysis()

A management function to run association analyses (LM or LMER) with progress.

scale_variables_in_equation()

Scale Numeric Variables in a Data Frame

select_high_quality_data()

Select High-Quality Imaging Data Based on Available QC Metrics

select_important_variables()

Select important variables based on stabilized correlations

select_longitudinal_subjects()

Select Longitudinal Subjects

setSeedBasedOnTime()

Set Seed Based on Current Time

shorten_names()

Shorten Names

sinkhorn_method()

Apply Sinkhorn method to stabilize a correlation matrix

subset_multiple_visits()

Subset Dataframe for Subjects with Multiple Unique Visits

table_1()

Generate a "Table 1" style summary for academic papers (Base R only).

table_1_from_formula()

Generate a table summarizing the data in a linear model formula.

table_1_presentation()

Format a table for publication using LaTeX or html

threewayinteraction()

three way interaction plot from raw data

topk()

Select Top k Rows Based on a Criterion

trainSubtypeClusterMulti()

Train subtype for multivariate data

trainSubtypeUni()

Train subtype for univariate data

truncatehi()

Truncate or Remove High Values

undersample_majority()

Undersample a majority class in a data frame

visglm()

Visualize the Joint Effect of Variables in a GLM

visualize_timepoints()

Visualize Longitudinal Data Across Time Points with Group Comparison