annotate rDiff/src/tests/get_nonparametric_masks.m @ 3:29a698dc5c7e default tip

Merge multiple heads.
author Dave Bouvier <dave@bx.psu.edu>
date Mon, 27 Jan 2014 14:15:36 -0500
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1 function [MASKS]=get_nonparametric_masks(CFG,reads1,reads2)
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3 %What fracitons should be choosen for the cutoff
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4 cen_arr=0.1:0.1:1;
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5
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6 % Define the mask which should be used in order to mask high
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7 % expresse genes
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8 MASKS=zeros(length(cen_arr),size(reads1,2));
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9
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10 COUNTER=1;
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11 for censor_frac= cen_arr
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12 temp_reads1=reads1;
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13 temp_reads2=reads2;
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14 %cut to relvant position
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15 read_coverage=sum(reads1,1)+sum(reads2,1);
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16 % get positions with a positive coverage
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17 nonzero_position=read_coverage>0;
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18 %Determine the cutoff values
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19 sorted_coverage=sort(read_coverage(nonzero_position));
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20 nr_of_nonzero_positions=sum(nonzero_position);
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21 relevant_positions=read_coverage<=sorted_coverage(ceil(nr_of_nonzero_positions*censor_frac));
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22 MASKS(COUNTER,relevant_positions)=1;
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23 COUNTER=COUNTER+1;
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24 end