Nearest Neighbor Methods for Spatial Patterns

aij.theta | Closeness or Proximity Matrix for Tango's Spatial Clustering... |

asycovTkTl | Asymptotic Covariance between T_k and T_l Values |

asyvarTk | Asymptotic Variance of Cuzick and Edwards T_k Test statistic |

bvnorm.pdf | pdf of the Bivariate Normal Distribution |

cellsTij | Entries for the Types I-IV cell-specific tests |

ceTk | Cuzick and Edwards T_k Test statistic |

ceTkinv | Cuzick and Edwards T_k^{inv} Test statistic |

ceTrun | Cuzick and Edwards T_{run} Test statistic |

cov.nnct | Covariance Matrix of the Cell Counts in an NNCT |

cov.nnsym | Covariance Matrix of the Differences of the Off-Diagonal Cell... |

covNrow2col | Conversion of the Covariance Matrix of the Row-wise... |

cov.seg.coeff | Covariance Matrix of Segregation Coefficients in a... |

covTcomb | Covariance matrix for T_k values in 'Tcomb' |

cov.tct | Covariance Matrix of the Entries of the Type I-IV TCTs |

covTkTl | Finite Sample Covariance between T_k and T_l Values |

dist2full | Converts a lower triangular distance matrix to a full... |

dist.std.data | Interpoint Distance Matrix for Standardized Data |

dot-onAttach | .onAttach start message |

dot-onLoad | .onLoad getOption package settings |

euc.dist | The Euclidean distance between two vectors, matrices, or data... |

EV.Nii | Expected Values of the Self Entries in a Species... |

EV.nnct | Expected Values of the Cell Counts in NNCT |

EV.rct | Expected Values of the Cell Counts in RCT |

EV.Tcomb | Expected Value for Cuzick & Edwards T_{comb} Test Statistic |

EV.tct | Expected Values of the Types I-IV cell-specific tests |

EV.tctI | Expected Values of the Type I cell-specific tests |

EV.Tkinv | Expected Value of Cuzick and Edwards T_k^{inv} Test statistic |

exact.nnct | Exact version of Pearson's chi-square test on NNCTs |

exact.pval1s | p-value correction to the one-sided version of exact NNCT... |

exact.pval2s | p-value correction to the two-sided version of exact NNCT... |

funsAijmat | Aij matrices for computation of Moments of Cuzick and Edwards... |

funs.auxcovtct | Auxiliary Functions for Computing Covariances Between Cell... |

funs.base.class.spec | Base Class-specific Chi-square Tests based on NNCTs |

funs.cell.spec.ss | Pielou's Cell-specific Segregation Test with Normal... |

funs.class.spec | Class-specific Chi-square Tests based on NNCTs |

funsC_MI_II | Correction Matrices for the Covariance Matrix of NNCT entries |

funs.covNii | Covariance Matrix of the Self Entries in a Species... |

funs.covtct | Functions for Covariances of the Entries of the Types I, III... |

funsExpTk | Expected Value for Cuzick and Edwards T_k Test statistic |

funsExpTrun | Expected Value for Cuzick and Edwards T_{run} Test statistic |

funs.kNNdist | Functions for the k^{th} and 'k' NN distances |

funs.kNNdist2cl | Functions for the k^{th} and 'k' NN distances |

funsN_I_II | Correction Matrices for the NNCT entries |

funsNNclass.spec | NN Class-specific Chi-square Tests based on NNCTs |

funsOnevsRest | Functions for one versus rest type labeling |

funs.overall.nnct | Dixon's Overall Test of Segregation for NNCT |

funs.overall.seg | Overall Segregation Tests for NNCTs |

funs.overall.tct | Types I-IV Overall Tests of Segregation for NNCT |

funs.pijPij | The functions for probability of selecting a number of points... |

funsPseg.ss | Pielou's Overall Test of Segregation for NNCT (for Sparse... |

funsQandR | Functions for the Number of Shared NNs, Shared NN vector and... |

funsRowColSums | Functions for row and column sums of a matrix |

funs.scct | Species Correspondence Contingency Table (SCCT) |

funs.seg.coeff | Pielou's Segregation Coefficients for NNCTs |

funs.varNii | Variances of the Self Entries in a Species Correspondence... |

funs.vartct | Functions for Variances of Cell Counts in the Types I, III... |

funsVarTk | Variance of Cuzick and Edwards T_k Test statistic |

funsVarTrun | Variance of Cuzick and Edwards T_{run} Test statistic |

funsW345values | W_k values for Tango's T test statistic |

funsXsq.nnref | Reflexivity Test with Chi-square Approximation |

funsXsq.nnsym.dx | Dixon's NN Symmetry Test with Chi-square Approximation for... |

funsXsq.nnsym.ss | Pielou's First Type of NN Symmetry Test with Chi-square... |

funsXsq.seg.coeff | Chi-square Test for Segregation Coefficients |

funsXsq.spec.cor | Overall Species Correspondence Test with Chi-square... |

funsZcell.nnct | Dixon's Cell-specific Z Tests of Segregation for NNCT |

funsZcell.nnct.pval | p-values for Cell-specific Z Test Statistics for NNCT |

funsZcell.spec | Cell-specific Z Tests of Segregation for NNCTs |

funsZcell.tct | Types I-IV Cell-specific Z Tests of Segregation based on... |

funsZdir.nnct | Directional Segregation Test for Two Classes with Normal... |

funsZdir.nnct.ss | Directional Segregation Test for Two Classes with Normal... |

funsZmixed.nonref | Mixed-Non-Reflexivity Test with Normal Approximation |

funsZnnref | Z Tests for NN Reflexivity |

funsZnnself | Self-Reflexivity Tests with Normal Approximation |

funsZnnself.sum | Cumulative Species Correspondence Test with Normal... |

funsZnnsym2cl.dx | Dixon's NN Symmetry Test with Normal Approximation for Two... |

funsZnnsym2cl.ss | Pielou's First Type of NN Symmetry Test with Normal... |

funsZnnsym.dx | Dixon's Pairwise NN Symmetry Test with Normal Approximation |

funsZnnsym.ss | Pielou's Pairwise NN Symmetry Test with Normal Approximation... |

funsZseg.coeff | Z Tests for Segregation Coefficients |

funsZsegind | Z Tests for Segregation Indices |

funsZself.ref | Self-Reflexivity Test with Normal Approximation |

funsZTkinv | Z-Test for Cuzick and Edwards T_k^{inv} statistic |

ind.nnsym | Index Matrix for Computing the Covariance of Dixon's Overall... |

ind.seg.coeff | Index Matrix for Computing the Covariance of Segregation... |

ipd.mat | Interpoint Distance Matrix |

ipd.mat.euc | Euclidean Interpoint Distance Matrix |

kNN | Finding the indices of the 'k' NNs of a given point |

mat2vec | Conversion of a Matrix to a Vector |

matrix.sqrt | Square root of a matrix |

Ninv | Vector of Shared NNs and Number of Reflexive NNs |

NN | Finding the index of the NN of a given point |

nnct | Nearest Neighbor Contingency Table (NNCT) |

nnct.boot.dis | Bootstrap Nearest Neighbor Contingency Table (NNCT) |

nnct.sub | Nearest Neighbor Contingency Table (NNCT) with (only) base... |

NNdist | Distances between subjects and their NNs |

NNdist2cl | Distances between subjects from class i and their NNs from... |

nnspat | nnspat: A package for NN Methods and Their Use in Testing... |

NNsub | Finding the index of the NN of a given point among a subset... |

Nt.def | N_t Value (found with the definition formula) |

Ntkl | N_{tkl} Value |

pairwise.lab | Keeping the pair of the specified labels in the data |

pick.min.max | Smallest and Largest Distances in a Distance Matrix |

pk | Probability of 'k' items selected from the class with size... |

plot.Clusters | Plot a 'Clusters' object |

plot.SpatPatterns | Plot a 'SpatPatterns' object |

print.cellhtest | Print a summary of a 'cellhtest' object |

print.Chisqtest | Print a summary of a 'Chisqtest' object |

print.classhtest | Print a summary of a 'classhtest' object |

print.Clusters | Print a 'Clusters' object |

print.refhtest | Print a summary of a 'refhtest' object |

print.SpatPatterns | Print a 'SpatPatterns' object |

print.summary.Clusters | Print a summary of a 'Clusters' object |

print.summary.SpatPatterns | Print a summary of a 'SpatPatterns' object |

prob.nnct | Probability of the current nearest neighbor contingency table |

QRval | Number of Shared and Reflexive NNs |

Qsym.ct | Q-symmetry Contingency Table (QCT) |

Qsym.test | Pielou's Second Type of NN Symmetry Test with Chi-square... |

rassoc | Generation of Points Associated with a Given Set of Points |

rassocC | Generation of Points Associated in the Type C Sense with a... |

rassocG | Generation of Points Associated in the Type G Sense with a... |

rassocI | Generation of Points Associated in the Type I Sense with a... |

rassocU | Generation of Points Associated in the Type U Sense with a... |

rct | Reflexivity Contingency Table (RCT) |

rdiag.clust | Generation of Points with Clusters along the First Diagonal |

rhor.clust | Generation of Points with Clusters along the Horizontal Axis |

rnonRL | Non-Random Labeling of a Given Set of Points |

rnonRLI | Type I Non-Random Labeling of a Given Set of Points |

rnonRLII | Type II Non-Random Labeling of a Given Set of Points |

rnonRLIII | Type III Non-Random Labeling of a Given Set of Points |

rnonRLIV | Type IV Non-Random Labeling of a Given Set of Points |

rrot.clust | Generation of Points with Rotational Clusters |

rseg | Generation of Points under Segregation of Two Classes |

rself.ref | Generation of Points from Self Correspondence Pattern |

runif.circ | Generation of Uniform Points in a Circle |

seg.ind | Dixon's Segregation Indices for NNCTs |

sharedNNmc | The Shared NN Vectors for Multiple Classes |

SkewTk | Skewness of Cuzick and Edwards T_k Test statistic |

summary.Clusters | Return a summary of a 'Clusters' object |

summary.SpatPatterns | Return a summary of a 'SpatPatterns' object |

swamptrees | Tree Species in a Swamp Forest |

Tcomb | Cuzick & Edwards Tcomb Test Statistic |

tct | T Contingency Table (TCT) |

tocher.cor | Tocher's randomized correction to the exact p-value |

Tval | T value in NN structure |

var.nnct | Variances of Cell Counts in an NNCT |

var.nnsym | Variances of Differences of Off-Diagonal Entries in an NNCT |

varPseg.coeff | Variance of Pielou's Segregation Coefficient for 2 Classes |

var.seg.coeff | Variances of Segregation Coefficients in a Multi-class Case |

var.tct | Variances of Entries in a TCT |

varTkinv.sim | Simulated Variance of Cuzick and Edwards T_k^{inv} Test... |

Wmat | The incidence matrix 'W' for the NN digraph |

Xsq.ceTk | Chi-square Approximation to Cuzick and Edwards T_k Test... |

Xsq.nnsym | Overall NN Symmetry Test with Chi-square Approximation |

ZceTk | Z-test for Cuzick and Edwards T_k statistic |

Znnsym | NN Symmetry Test with Normal Approximation |

Znnsym2cl | NN Symmetry Test with Normal Approximation for Two Classes |

ZTcomb | Z-test for Cuzick and Edwards T_{comb} statistic |

ZTrun | Z-test for Cuzick and Edwards T_{run} statistic |

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