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Interactive exposure duration histogram14 days ago
Create Exposure Duration Histogram | 1. Load up a metadata | meta_sl_exposure_example() | 2. Analysis preparation | prepare_exp_duration() | extend_exp_duration() | plotly_exp_duration()
Adjusting Column Widths for Optimal Layout4 months ago
General Use | Step 1: build your metadata | Step 2: adjusting column widths | Multiple, Long Treatment Labels Example | Step 1: build example metadata
Add/Hide Columns in the AE-Specific Tables5 months ago
Step 1: build your metadata | Step 2: customize the AE specific columns
Toggle Risk Difference Columns in the AE-Specific Tables5 months ago
Step 1: build your metadata | Step 2: toggle risk difference columns
Disposition Table7 months ago
Create Disposition Table | Example data | Build a metadata | Analysis preparation | Format output | RTF tables
Interactive Disposition Table7 months ago
Build a metadata | Interactive Disposition
Display Only SOC in the AE-Specific Tables8 months ago
Step 1: build your metadata | Step 2: display only SOC
Add Term1 and Term2 Example9 months ago
Overview | Analysis preparation | RTF tables
Quick start for NPH sample size and power10 months ago
Overview | Packages used | Enrollment rates | Failure and dropout rates | Fixed design | Group sequential design | Simple efficacy bound definition | Two-sided testing | Symmetric 2-sided bounds | Asymmetric 2-sided bounds | References
Adjusting Decimal Precision in Displayed Data10 months ago
Step 1: build your metadata | Step 2: customize the decimals
Customizing Plot Limits for AE Proportions and Differences10 months ago
Step 1: build your metadata | Step 2: customize limits for AE proportion/difference plotting
Legend Customization in AE Proportion Difference Visualizations10 months ago
Step 1: build your metadata | Step 2: customize the legend below the column of AE proportions differences
Personalized Color Choices in Data Visualization10 months ago
Step 1: build your metadata | Step 2: personalized color choices
Selecting Columns to Display in AE Listings10 months ago
Step 1: build your metadata | Step 2: customize the AE listing columns
Generate Static AE Forest Plots1 years ago
Simulate Fixed Designs with Ease via sim_fixed_n1 years ago
Step 1: Define design parameters | Step 2: Run sim_fixed_n() | Step 3: Summarize simulations
Simulate Group Sequential Designs with Ease via sim_gs_n1 years ago
Step 1: Define design paramaters | Step 2: Run sim_gs_n() | Step 3: Summarize simulations | References
Build an Interactive Baseline Characteristic Table1 years ago
Build metadata | Metadata for baseline characteristic table | A metadata of the AE subgroup specific analysis | Customization (Optional) | Build a reactable | Baseline characteristic table + Participants With Drug-Related AE | Baseline characteristic table + Participants With Serious AE
Simulating time-to-event trials in parallel1 years ago
Overview | Background | The sequential run | Setting up a parallel backend | Execution in parallel | A nested parallel example
Custom Fixed Design Simulations: A Tutorial on Writing Code from the Ground Up1 years ago
Step 1: Simulate time-to-event data | Scenario a) The simplest scenario | Scenario b) Differential dropout rates | Scenario c) Stratified designs | Scenario d) Multi-arm designs | Step 2: Cut data | Step 3: Run tests | Step 4: Perform the above single simulation repeatedly | Step 5: Summarize simulations | References
Note on potential discrepancies between simtrial and survdiff1 years ago
Overview | Scenario definitions | A scenario that generates a discrepancy
Baseline Characteristics Table1 years ago
Create Baseline Characteristic Table | Build a metadata | Analysis preparation | Format the numbers | Output as RTF | Create Baseline Characteristic Table for Subgroup Analysis | Format output
Exposure Duration Table2 years ago
Create Exposure Duration Table | Build a metadata | Analysis preparation | Format output | Output as RTF
Introduction to metalite.sl2 years ago
Overview | Highlighted features | Workflow | Input
Treatment Compliance Table2 years ago
Create Treatment Compliance Table | Example data | Build a metadata | Analysis preparation | Format output | Additional statistics | RTF tables
AE Listing2 years ago
Overview | Example data | Analysis preparation | RTF tables
AE Specification2 years ago
Overview | Example data | Analysis preparation | Format output | Additional statistics | Mock data preparation | RTF tables
AE Summary2 years ago
Overview | Example data | Analysis preparation | Format output | Additional statistics | Mock data preparation | RTF tables
Introduction to metalite.ae2 years ago
Overview | Highlighted features | Workflow | Input
Subgroup Analysis for Specific AE2 years ago
Overview | Analysis preparation | Format output | Mock data preparation | RTF tables
TTE simulation data manipulations2 years ago
Overview | Results data table | Simulated trial dataset generation | Dataset manipulations for analysis | Flow for simulating group sequential: one scenario algorithm
Using the Magirr-Burman weights for testing2 years ago
Introduction | Simulating a delayed effect example | Generalizing the Magirr-Burman test | Freidlin and Korn strong null hypothesis example | References
Restricted mean survival time (RMST)2 years ago
Introduction | RMST vs. logrank | Estimation of RMST in a single arm at a single time point | $$\hat{S}(t_i) | \prod_{j=1}^{i}\left(1-\frac{d_{j}}{Y_{j}}\right)$$Based on the definition and formula above, $\text{RMST}(\tau)$ can be estimated by$$\widehat{\text{RMST}}(\tau) | \int_{0}^{\tau} \hat{S}(t) d t | The standard error of $\widehat | \widehat{\text{Var}}(\widehat{\text{RMST}}(\tau)) | \sqrt | \int_{t_i}^{\tau} \hat{S}(t) d t | Estimation of RMST differences in 2 arms at a single time point | References
Example use of psm3mkv2 years ago
Introduction | Obtaining a suitable dataset | Fit survival curves to the relevant endpoints | Parametric distributions | Royston-Parmar splines models | Combine the best fits | Comparing likelihood values for the three model structures | Comparing the implied (restricted) mean durations | Visual inspection of model fits | References
Mortality adjustments2 years ago
Introduction | Notation | Background mortality survival and hazard functions | What does constraining for background mortality mean? | Approach 1 - Constraining only the survival function | Approach 2 - Constraining the hazard function | Approach 3 - Modeling excess hazard in the original dataset | Application to 3-state State Transition Models (STMs) | Application to Partitioned Survival Models (PSM) | Illustration of calculations | Set-up | Creating the life table | Obtaining and fitting distributions to patient-level data | Making the projections | Comparing the results | Possible extensions | References
Customize Hover Labels in Interactive Box Plot2 years ago
Overview | Hover label in function prepare_boxly(): | Hover label in function boxly(): | Example 1: Add hover label of outlier | Example 2: Choose hover label of box | Example 3: Cutomize label of outlier and hover label of box
Approximating an arbitrary hazard function2 years ago
Basic tools for time-to-event trial simulation and testing2 years ago
Overview | Randomization | Enrollment | Time-to-event and time-to-dropout | Generating a trial | Cutting data for analysis | Generating a counting process dataset | Logrank and weighted logrank testing | Simplification for 2-arm trials
Computing p-values for Fleming-Harrington weighted logrank tests and the MaxCombo test2 years ago
Introduction | Defining the test | Executing for a single dataset | Generating test statistics with sim_fixed_n() | Generating data with sim_pw_surv() | Using survival data in another format | Simulation | References
Exposure Adjusted Event Rate2 years ago
EAER formula explanation | EAER formula | EAER for different types of AEs | ANY AE adj rate | Serious AE adj rate | REL AE adj rate | Programming steps of EAER
Graphical testing for group sequential design2 years ago
Overview | Design | Multiplicity diagram for hypothesis testing | Group sequential designs for each hypothesis | H1: OS, Subgroup | H2: OS, All | H3: PFS, Subgroup | H4: PFS, All | H5 and H6: ORR | Design list | Spending plan and spending time | Results entry at time of analysis | Timing of analyses and resulting event counts and spending times | Nominal p-values for each analysis | Testing hypotheses | Compute sequential p-values for each hypothesis | Evaluate hypothesis rejection using gMCPLite | Verification of hypotheses rejected | Multiplicity graph sequence from gMCPLite | Comparison of sequential p-values to multiplicity graphs | Bounds at final $\alpha$ allocated for group sequential tests | Session information | References
Multiplicity graphs2 years ago
Introduction | The basic graph layout | Specifying hypothesis names and $\alpha$-allocation | Text formatting and location, ellipse size | Using colors and legends | Specifying the transition matrix between hypotheses | References
An Introduction to the boxly Package3 years ago
Unstratified and Stratified Miettinen and Nurminen Test3 years ago
Overview | Statistical methods | Unstratified analysis of M&N method | Confidence interval | p-value and Z-statistic | Stratified analysis of M&N method | Example | Load package | Data simulation | Unstratified analysis | Stratified analysis | References
Collect Components3 years ago
Collect ADaM mapping | Collect population | Collect population records | Collect observation record | Collect specifications
Introduction to metalite3 years ago
Overview | Use cases | Mental model | Example: adverse events analysis
Create AR Grid3 years ago
Overview | Build metadata | Step 1: input the population and observation datasets | Step 2: create statistical analysis plans | Step 3: feed in the analysis plan to the existing metadata | Step 4: define the key words in the above metadata | Step 4.1: define the key words in population & observation | Step 4.2 define the key words in the analysis plans | Step 5: build the metadata | Create A&R grid
Create Mockup Table Based on Metadata3 years ago
Overview of the example we used | Prepare the metadata | Step 1: Define the metadata | Step 2: Define the analysis plan | Step 3: Define the keywords | Step 4: Build and review the metadata | Add components of mockup table | Create functions | Row label | Get treatment grouping order | Get the title/endnotes of TLF | Logic to create mockup table | Display the generated mockup tables
Introduction to Variable Mapping3 years ago
Overview | Example 1: All Participants as Treated (apat) | Base R | Tidy evaluation | Example 2: Serious adverse events (ser)
An Introduction to the r2rtf Package5 years ago
Compact Package Representations5 years ago
Introduction | Example workflow | Pack one package | Unpack one package | Pack multiple packages | Unpack multiple packages | Helper functions
Curate File Collections5 years ago
Merge file collections | Prune file collections | Sanitize file collections
Generate File Specifications5 years ago
File specification | File collection | File specification templates | File specification usage patterns | Default file specification | Automatic file specification
Represent Packages with pkglite.txt5 years ago
Filename and extension | File format | File structure | Field names and values | Package | File | Format | Content
Rspc user guide8 years ago
SPC quick guide | Instalation | Functions | EvaluateRules() | SetParameters() | CalculateLimits() | CalculateZoneBorders() | NelsonRules() | Rule1()-Rule8() | For more information about parameters read the package manual.