Pooling and Predictor selection functions

psfmi_coxr()

Pooling and Predictor selection function for backward or forward selection of Cox regression models in multiply imputed data.

psfmi_lr()

Pooling and Predictor selection function for backward or forward selection of Logistic regression models in multiply imputed data.

psfmi_mm()

Pooling and Predictor selection function for multilevel models in multiply imputed datasets

psfmi_mm_multiparm()

Multiparameter pooling methods called by psfmi_mm

Functions to evaluate Model performance

psfmi_perform()

Evaluate model performance of logistic prediction models in Multiply Imputed datasets

pool_intadj()

Provides pooled adjusted intercept after shrinkage of pooled coefficients in multiply imputed datasets

mivalext_lr()

External Validation of logistic prediction models in multiply imputed datasets

Functions to evaluate Model stability

psfmi_stab()

Function to evaluate bootstrap predictor and model stability in multiply imputed datasets.

Functions to compare prediction models

pool_compare_models()

Compare the fit and performance of prediction models in Multipy Imputed data

pool_reclassification()

Function to pool NRI measures over Multiply Imputed datasets

Extra Functions

bw_single()

Predictor selection function for backward selection of Logistic regression models.

pool_performance()

Pooling performance measures over multiply imputed datasets

pool_auc()

Calculates the pooled Area Under the Curve in Multiply Imputed datasets

scaled_brier()

Calculates the scaled Brier score

rsq_nagel()

Nagelkerke's R-square calculation for logistic regression / glm models

Datasets used in examples and tutorials

lbp_orig

Example dataset for psfmi_perform function, method boot_MI

anderson

Data from a placebo-controlled RCT with leukemia patients

aortadis

Dataset of patients with a aortadissection

bmd

Data of a non-experimental study in more than 300 elderly women

chlrform

Data about concentration of ß2-microglobuline in urine as indicator for possible damage to the kidney

chol_long

Long dataset of persons from the The Amsterdam Growth and Health Longitudinal Study (AGHLS)

chol_wide

Wide dataset of persons from the The Amsterdam Growth and Health Longitudinal Study (AGHLS)

day2_dataset4_mi

Dataset of low back pain patients with missing values

hipstudy

Dataset of elderly patients with a hip fracture

hipstudy_external

External Dataset of elderly patients with a hip fracture

hoorn_basic

Dataset of the Hoorn Study

infarct

Data of a patient-control study regarding the relationship between MI and smoking

lungvolume

Data of the development of lung and heartvolume of unborn babies

mammaca

Data of a study among women with breast cancer

men

Data of 613 patients with meningitis

sbp_age

Dataset with blood pressure measurements

sbp_qas

Dataset with blood pressure measurements

smoking

Survival data about smoking

weight

Dataset of persons from the The Amsterdam Growth and Health Longitudinal Study (AGHLS)

ipdna_md

Example dataset for the psfmi_mm function

lbpmicox

Example dataset for psfmi_coxr function

lbpmilr

Example dataset for psfmi_lr function

lbpmilr_dev

Example dataset for mivalext_lr function

lbpmi_extval

Example dataset of Low Back Pain Patients for external validation