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qpcR (version 1.3-7.1)

Modelling and analysis of real-time PCR data

Description

Model fitting, optimal model selection and calculation of various features that are essential in the analysis of quantitative real-time polymerase chain reaction (qPCR).

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Version

Install

install.packages('qpcR')

Monthly Downloads

1,795

Version

1.3-7.1

License

GPL (>= 2)

Last Published

April 18th, 2013

Functions in qpcR (1.3-7.1)

Rsq

R-square value of a fitted model
pcrimport

Advanced qPCR data import function
LRE

Calculation of qPCR efficiency by the 'linear regression of efficiency' method
propagate

General error analysis function using different methods
HQIC

Hannan-Quinn Information Criterion
AICc

Akaike's second-order corrected Information Criterion
expfit

Calculation of PCR efficiency by fitting an exponential model
curvemean

Building a model which averages a batch of qPCR curves
eff

The amplification efficiency curve of a fitted object
ratiocalc

Calculation of ratios from qPCR runs with/without reference genes
pcropt1

Combinatorial elimination of plateau and ground phase cycles
pcrfit

Workhorse function for qPCR model fitting
evidence

Evidence ratio for model comparisons with AIC, AICc or BIC
refmean

Averaging of multiple reference genes
expcomp

Comparison of all sigmodal models within the exponential region
modlist

Create nonlinear models from a dataframe and coerce them into a list
sliwin

Calculation of qPCR efficiency by the 'window-of-linearity' method
resVar

Residual variance of a fitted model
pcrbatch

Batch calculation of qPCR efficiency and other qPCR parameters
resplot

An (overlayed) residuals barplot
pcrimport2

Simple qPCR data import function (i.e. from text files or clipboard)
RSS

Residual sum-of-squares of a fitted model
mselect

Sigmoidal model selection by different criteria
efficiency

Calculation of qPCR efficiency and other important qPCR parameters
PRESS

Allen's PRESS (Prediction Sum-Of-Squares) statistic, aka P-square
RMSE

Root-mean-squared-error of a fitted model
S27

qPCR data of the S27a transcript in 15 testicular biopsies
calib

Calculation of qPCR efficiency by dilution curve analysis
akaike.weights

Calculation of Akaike weights/relative likelihoods/delta-AICs
plot.pcrfit

Plotting qPCR data with fitted curves/confidence bands/error bars
pcrGOF

Summarize measures for the goodness-of-fit
takeoff

Calculation of the qPCR takeoff point
calib2

Calculation of qPCR efficiency by dilution curve bootstrapping
pcropt2

Elimination of qPCR cycles with low/high impact on fitted parameters
qpcR.news

Display news and changes of qpcR package versions
Cy0

Cy0 alternative to threshold cycles as in Guescini et al. (2008)
predict.pcrfit

Value prediction from a fitted qPCR model
maxRatio

The maxRatio method as in Shain et al. (2008)
fitchisq

The chi-square goodness-of-fit
getPar

Batch calculation of qPCR fit parameters/efficiencies/threshold cycles with simple output, especially tailored to high-throughput data
midpoint

Calculation of the 'midpoint' region
meanlist

Amalgamation of single data models into an averaged model
rep2mod

Converts a 'replist' back to a 'modlist'
is.outlier

Outlier summary for objects of class 'modlist' or 'replist'
update.pcrfit

Updating and refitting a qPCR model
meltcurve

Melting curve analysis with (iterative) Tm identification and peak area calculation/cutoff
LOF.test

Formal lack-Of-Fit test of a nonlinear model against a one-way ANOVA model
pcrboot

Bootstrapping and jackknifing qPCR data
Rsq.ad

Adjusted R-square value of a fitted model
qpcR_functions

The nonlinear/mechanistic models implemented in qpcR
neill.test

Neill's lack-of-fit test when replicates are lacking
replist

Amalgamation of single data models into a model containing replicates
parKOD

Parameters that can be changed to tweak the kinetic outlier methods
llratio

Calculation of likelihood ratios for nested models
qpcR_datasets

The (published) datasets implemented in qpcR
KOD

(K)inetic (O)utlier (D)etection using several methods
ratioPar

Calculation of ratios in a batch format from external PCR parameters
pcrsim

Simulation of sigmoidal qPCR data with goodness-of-fit analysis
batchstat

Concatenating or calculating statistics on a 'pcrbatch'
ratiobatch

Calculation of ratios in a batch format for multiple genes/samples