phylosamp1.0.1 package

Sample Size Calculations for Molecular and Phylogenetic Studies

vartrack_samplesize_detect_cont

Calculate sample size needed for variant detection assuming periodic s...

vartrack_samplesize_detect_xsect

Calculate sample size needed for variant detection assuming cross-sect...

vartrack_samplesize_prev

Calculate sample size needed for estimating variant prevalence given a...

obs_pairs_mtml

Expected number of observed pairs assuming multiple-transmission and m...

exp_links

Calculate expected number of links in a sample

falsediscoveryrate

Calculate false discovery rate of a sample

gen_dists

Calculate genetic distance distribution

gendist_distribution

Calculate genetic distance distribution

gendist_roc_format

Make ROC curve from sensitivity and specificity

gendist_sensspec_cutoff

Calculate sensitivity and specificity of a genetic distance cutoff

get_optim_roc

Find optimal ROC threshold

obs_pairs_mtsl

Expected number of observed pairs assuming multiple-transmission and s...

obs_pairs_stsl

Expected number of observed pairs assuming single-transmission and sin...

optim_roc_threshold

Find optimal ROC threshold

phylosamp-package

phylosamp: Sample Size Calculations for Molecular and Phylogenetic Stu...

prob_trans_mtml

Probability of transmission assuming multiple-transmission and multipl...

prob_trans_mtsl

Probability of transmission assuming multiple-transmission and single-...

prob_trans_stsl

Probability of transmission assuming single-transmission and single-li...

relR_power

Calculate power for detecting differential transmission given a sample...

relR_power_simulated

Simulate power for detecting differential transmission

relR_samplesize

Calculate sample size needed to detect differential transmission

relR_samplesize_basic

Calculate simple derived sample size for detecting differential transm...

relR_samplesize_ci

Calculate sample size for detecting differential transmission with unc...

relR_samplesize_linkerr

Calculate sample size for detecting differential transmission correcti...

relR_samplesize_opterr

Function to calculate the error in estimated sample size for use in op...

relR_samplesize_simsolve

Calculate optimized sample size for detecting differential transmissio...

relR_samplesize_solve

Calculate optimal sample size for detecting differential transmission ...

samplesize

Calculate sample size

sens_spec_calc

Calculate sensitivity and specificity

sens_spec_roc

Make ROC from sensitivity and specificity

translink_expected_links_obs

Calculate expected number of transmission links in a sample

translink_expected_links_obs_mtml

Calculate expected number of observed pairs assuming multiple-transmis...

translink_expected_links_obs_mtsl

Calculate expected number of observed pairs assuming multiple-transmis...

translink_expected_links_obs_stsl

Calculate expected number of observed pairs assuming single-transmissi...

translink_expected_links_true

Calculate expected number of true transmission pairs

translink_expected_links_true_mtml

Calculate expected number of true transmission pairs assuming multiple...

translink_expected_links_true_mtsl

Calculate expected number of true transmission pairs assuming multiple...

translink_expected_links_true_stsl

Calculate expected number of true transmission pairs assuming single-t...

translink_fdr

Calculate false discovery rate of identifying transmission pairs in a ...

translink_prob_transmit

Calculate probability of transmission

translink_prob_transmit_mtml

Calculate probability of transmission assuming multiple-transmission a...

translink_prob_transmit_mtsl

Calculate probability of transmission assuming multiple-transmission a...

translink_prob_transmit_stsl

Calculate probability of transmission assuming single-transmission and...

translink_samplesize

Calculate sample size needed to identify true transmission links

translink_tdr

Calculate true discovery rate of identifying transmission pairs

true_pairs

Calculate expected number of true transmission pairs

true_pairs_mtml

Expected number of true transmission pairs assuming multiple-transmiss...

true_pairs_mtsl

Expected number of true transmission pairs assuming multiple-transmiss...

true_pairs_stsl

Expected number of true transmission pairs assuming single-transmissio...

truediscoveryrate

Calculate true discovery rate of a sample

varfreq_cdf_logistic

Calculate cumulative observed variant prevalence at time t given logis...

varfreq_expected_mbias

Calculate multiplicative bias (observed / actual) in variant prevalenc...

varfreq_freq_logistic

Calculate observed variant prevalence at time t given logistic growth

varfreq_obs_freq

Calculate observed variant prevalence

vartrack_cod_ratio

Calculate the coefficient of detection ratio for two variants

vartrack_prob_detect

Calculate the probability of detecting a variant given a sample size

vartrack_prob_detect_cont

Calculate probability of detecting a variant given a per-timestep samp...

vartrack_prob_detect_xsect

Calculate probability of detecting a variant assuming cross-sectional ...

vartrack_prob_prev

Calculate confidence in a variant estimate given a sample size

vartrack_prob_prev_xsect

Calculate confidence in a variant estimate assuming cross-sectional sa...

vartrack_samplesize_detect

Calculate sample size needed for variant detection given a desired pro...

vartrack_samplesize_prev_xsect

Calculate sample size needed for variant prevalence estimation under c...

Implements novel tools for estimating sample sizes needed for phylogenetic studies, including studies focused on estimating the probability of true pathogen transmission between two cases given phylogenetic linkage and studies focused on tracking pathogen variants at a population level. Methods described in Wohl, Giles, and Lessler (2021) and in Wohl, Lee, DiPrete, and Lessler (2023).

  • Maintainer: Justin Lessler
  • License: GPL-2
  • Last published: 2023-05-23