pushNaNs by Daniel

Pushes NaNs to the bottom of each column of X. (nan, order, sort)

pushnans( X,truncate )

SPARSECLEAN - Efficiently cleans a sparse matrix of small values or nan by James Tursa

SPARSECLEAN cleans a double sparse matrix of small or nan values or values within a range. (sparse, clean, nan)

sparseclean(varargin)

NANCAT by Sanjay Manohar

Like CAT, but padding with NaNs. Doesn't complain if input sizes heterogeneous. Faster than CATPAD. (nan, cat, matrix)

C=nancat(DIM, varargin)

inpaint_nans by John D'Errico

Interpolates (& extrapolates) NaN elements in a 2d array. (utterly crazy memory ..., inpainting, missing values)

(nn(:,1)<1)|(nn(:,1)>n)|(nn(:,2)<1)|(nn(:,2)>m); nn(L,:)...

valid{ind}; end end

inpaint_nans_demo.m

Memory efficient nanmean function for huge dataset by Louis-Emmanuel Martinet

This is a very slightly modified version of Matlab nanmean function with much lower memory usage. (nan, nanmean, memory)

nanmean2(x,dim)

kml line plot by Cameron Sparr

Draw nan-separated lines (or a single line) onto Google Earth. (geodata, coastline, coast)

kml_line(lon, lat, varargin)

CATPAD by Jonathan Sullivan

Concatenation of arbitrarily sized data along any dimension. (cell, merge, length)

catpad.m

nancumsum by Brett Shoelson

Compute the cumulative sum of matrices, specifying the treatment of NaNs. (nan, cumulative, sum)

B=nancumsum(A,dim,nmode)

nancumprod by Brett Shoelson

Compute the cumulative product of matrices, specifying the treatment of NaNs. (nan, cumulative, prod)

B=nancumprod(A,dim,nmode)

insertNaN by Chris Miller

Used to insert NaN values into a vector or matrix given a threshold condition. (nan, mapping, plotting)

finaldata=insertNaN(data,diffthreshold)

xyimagesc.m by Anthony Bathgate

Same as imagesc but works when X and Y are not evenly spaced. (image, imagesc, imagescnan)

xyimagesc( X, Y, C, varargin )

gap size by Aslak Grinsted

Calculates number of consequtive NaNs in a vector. (gap, nan, length)

sz=gapsize(x)

Cpk capability index with NaN's by Mauro

calculates Cpk value and confidence intervall with matrices containing NaN's (cpk, nan, process)

nancpk(X,tol,dim,alpha)

MOVENAN (v1.0, mar 2011) by Jos (10584)

Move NaNs to the beginning or end of a column (matrix, manipulation, sort)

movenan (X, direction)

MATLAB Goto Statement by Husam Aldahiyat

The one and only. (goto, jump, line)

Example14

Example15

Example3

structfind by Dirk-Jan Kroon

Search for a value, cell or string inside a Matlab struct (structfind, struct, find)

index=structfind(a,field,value)

cumulative statistic with NaN's by Mauro

cumstat calculate the mean and std of an array with NaN's from 1 to n (cumulative cumulativ, statistic, mean)

nancumstat(x,dim)

DAQRESHAPE: Reshape array of triggered analog input data by Scott Hirsch

Reshape triggered data acquisition analog input data, removing NaN's. (example, application, daq)

daqtriggerreshape(data);

click2smooth.m v1.0 (Sep 2009) by Carlos Adrian Vargas Aguilera

Smooths data by clicking on the figure. (gui, signal processing, smooth)

click2smooth(varargin)

imagescnan.m v2.1 (Aug 2009) by Carlos Adrian Vargas Aguilera

Same as IMAGESC but ignores NaNs. (color freeze, surf, imagesc)

imagescnan(varargin)

nanderivative.m v2.1 (Jul 2009) by Carlos Adrian Vargas Aguilera

N-order derivative of vector data by interpolating nearby points, ignoring NaNs. (derivative, nan, diff)

nanderivative(Y,X,N,K,MET)

UNIQUEWITHEQUALNANS by Jos (10584)

Set unique, treating NaNs as equal (v2.0, mar 2009) (matrices, unique, sort)

uniquewithequalnans(A,varargin)

NANSUBSREF by Miguel

NANSUBSREF Subscripted reference, ignoring NaNs. (subsref, nan, subscripted)

B=nansubsref(A,I)

NaN Suite by Jan Gläscher

Descriptive Statistics for N-D matrices ignoring NaNs. (mean, sem, max)

nanmax(a,dim,b)

nanmean(x,dim)

nanmedian(x,dim)

moving_average v3.1 (Mar 2008) by Carlos Adrian Vargas Aguilera

Smooths a matrix (with/without NaN's) via recursive moving average method and eliminates data gaps. (moving average, filter2, nan)

SWIDDER virtual 2D-slider by Vassili Pastushenko

virtual 2D slider for GUI integer or float, NaN below minX, minY (data exploration, 2d slider, gui)

cheer(N)

o_o(arg)

yx=slidder(varargin)

Ignore NaN by Matt G

returns the result of the function of an array ignoring NaN elements (matrices, ignore, nan)

ignoreNaN(X,fun,dim)

Winsorize data by Dimitri Shvorob

(using PRCTILE) (winsorize, data, statistics)

winsor(x,p)

REMNAN by Karsten Shein

Removes missing values jointly from 2 vectors. (remove, nan, missing values)

remnan(x,y,t)

Cell 'Find And Replace' by Yoav Mor

Finds all occurrences of NaN in a cell array and replaces them. (structures, cell arrays, cell)

cellNaNReplace (cellData, replaceWith)

naninterp by E. Rodriguez

One dimensional Interpolation over NaNs. (holes, gap, gaps)

naninterp(X)

nancorrcoef by Denis Gilbert

Pearson's correlation for vectors with NaNs (corrcoef, correlation, pearson)

nancorrcoef(x,y)

lift_pen.m by Alan Bindemann

This function demonstrates how to use NaNs to "lift the pen" when using the 'line' command. (specialized, plotting, nan)

lift_pen

removeNans by Andrew Hastings

removes NaN rows and columns from data which has been interpolated. (matrices, nan, tools)

removeNaNs(ALLPLANES)