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1 function yhat=lfsmooth(varargin)
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2 %
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3 % a simple interface to locfit.
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4 % output is a vector of smoothed values, at each data point.
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5 % all locfit options, except evaluation structures, are valid.
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6 %
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7 % Example, to smooth a time series of observations,
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8 %
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9 % t = (1:100)';
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10 % y = 2*sin(t/10) + normrnd(0,1,100,1);
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11 % plot(t,y,'.');
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12 % hold on;
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13 % plot(t,lfsmooth(t,y,'nn',0.5));
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14 % hold off;
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15 %
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16
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17 % Minimal input validation
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18 if nargin < 1
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19 error( 'At least one input argument required' );
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20 end
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21
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22 fit = locfit(x,varargin{:},'module','simple');
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23 yhat = fit.fit_points.fitted_values;
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24
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25 return;
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