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Event_func_1.m
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%%%Event Function
%%%attempting to generate features that might be useful:
%1. Average time in REM
%2 Median time in REM
%3. Number of Rem States
%4. State immediately after REM
%5. State immediately before REM
%6. proportion of REM sleep to total Sleep
%7.
function [s0temp, s1temp, s2temp, s3temp, s4temp, Remtimestampstemp, sleepchart, timestart, timeend, startrec, totallength, dur, startp, endp, alllen] = events_func_1(pathsub)
% try
% stringtemp = erase(pathsub, '-Events.mat');
eventfeatstemp = {};
sleepchart = [];
Remtimetemp = {};
s0timetemp = {};
s1timetemp = {};
s2timetemp = {};
s3timetemp = {};
s4timetemp = [];
afterrem = {};
beforerem = {};
Remtimestampstemp = [];
%below 's temps' are other state analogues to Remtimestampstemp.
s0temp = [0 0];
s1temp = [0 0];
s2temp = [0 0];
s3temp = [0 0];
s4temp = [0 0];
% pathsub = append('L:\Lab_JamesR\Paediatric_Sleep\studyinfo\events_exported\batch1\', pathsub);
table = load(char(pathsub));
reporttext = [];
remflag = false;
s0flag = false;
s1flag = false;
s2flag = false;
s3flag = false;
s4flag = false;
%%%Text Compiler
for t = 1:length(table.events_table)
txt = '';
for h = 1:size(table.events_table, 2)
% if char(table.events_table((startrow + k), h))
% reporttextsegmented{t,h} = table.events_table{t, h};
txt = [txt ' ' char(char(table.events_table{t, h}))];
try
if contains(char(char(table.events_table{t,h})), 'Analysis-Start', IgnoreCase = true) && t >= 10
timecol = h-1;
timestart = t + 1;
timecolumn = table.events_table{((t-1):end), h};
timeofstart = table.events_table{t,h-1};
timeofend = table.events_table{length(table.events_table), timecol};
elseif contains(char(char(table.events_table{t,h})), 'Event', IgnoreCase = true) && t >= 50
eventscol = h;
startrec = t+1;
elseif (contains(char(char(table.events_table{t,h})), 'Analysis-End', IgnoreCase = true) || contains(char(char(table.events_table{t,h})), 'Analysis-Stop', IgnoreCase = true)) && t >= 10
timeofend = table.events_table{t,h-1};
timeend = t;
end
catch
% text4output = append('didnt work for t = ', num2str(t));
% disp(text4output);
end
end
if (contains(txt, 'AM', IgnoreCase = true) || contains(txt, 'PM', IgnoreCase = true)) && ~contains(txt, 'equipment', IgnoreCase = true) && ~contains(txt, 'name', IgnoreCase = true)
reporttext = [reporttext; {txt}];
end
end
if ~exist('timeend', 'var')
timeend = length(table.events_table);
end
txt = char(txt);
%%%state analyzing
s0 = 0;
s1 = 0;
s2 = 0;
s3 = 0;
s4 = 0;
rem = 0;
%%%part that records sleep states
for j = (timestart+1):length(table.events_table)
tempstring = char(table.events_table{j, (timecol + 1)});
backcheck = -1;
if j >= timestart
if contains(tempstring, 's0', IgnoreCase = true) && (table.events_table{j, size(table.events_table, 2)} >= 30)
% for y = 1:cell2mat((table.events_table(j,size(table.events_table, 2))))
s0 = s0 + 1;
sleepchart = [sleepchart; [0 table.events_table(j, size(table.events_table, 2))]];
backcheck = 0;
% end
end
if contains(tempstring, 's1', IgnoreCase = true) && (table.events_table{j, size(table.events_table, 2)} >= 30)
% for y = 1:cell2mat((table.events_table(j,size(table.events_table, 2))))
s1 = s1 + 1;
sleepchart = [sleepchart; [1 table.events_table(j, size(table.events_table, 2))]];
backcheck = 1;
% end
end
if contains(tempstring, 's2', IgnoreCase = true) && (table.events_table{j, size(table.events_table, 2)} >= 30)
% for y = 1:cell2mat((table.events_table(j,size(table.events_table, 2))))
s2 = s2 + 1;
sleepchart = [sleepchart; [2 table.events_table(j, size(table.events_table, 2))]];
backcheck = 2;
% end
end
if contains(tempstring, 's3', IgnoreCase = true) && (table.events_table{j, size(table.events_table, 2)} >= 30)
% for y = 1:cell2mat((table.events_table(j,size(table.events_table, 2))))
s3 = s3 + 1;
sleepchart = [sleepchart; [3 table.events_table(j, size(table.events_table, 2))]];
backcheck = 3;
% end
end
if contains(tempstring, 's4', IgnoreCase = true) && (table.events_table{j, size(table.events_table, 2)} >= 30)
% for y = 1:cell2mat((table.events_table(j,size(table.events_table, 2))))
s4 = s4 + 1;
sleepchart = [sleepchart; [4 table.events_table(j, size(table.events_table, 2))]];
backcheck = 4;
% end
end
if contains(tempstring, 'SLEEP-REM', IgnoreCase = true) && (table.events_table{j, size(table.events_table, 2)} >= 30)
% for y = 1:cell2mat((table.events_table(j,size(table.events_table, 2))))
rem = rem + 1;
sleepchart = [sleepchart; [5 table.events_table(j, size(table.events_table, 2))]];
% if remflag == false
% remflag = true;
% Remtimestart = table.events_table(j, timecol);
backcheck = 5;
% end
end
if backcheck == -1 && length(sleepchart) ~= 0
if ~contains(tempstring, 'ARTIFACT', IgnoreCase = true) && (table.events_table{j, size(table.events_table, 2)} >= 30)
if cell2mat((table.events_table(j,size(table.events_table, 2)))) > 60
% for y = 1:60
sleepchart = [sleepchart; [sleepchart((length(sleepchart) - 1), 1) table.events_table(j, size(table.events_table, 2))]];
% end
else
% for y = 1:cell2mat((table.events_table(j,size(table.events_table, 2))))
sleepchart = [sleepchart; [sleepchart((length(sleepchart) - 1), 1), table.events_table(j, size(table.events_table, 2))]];
% end
end
end
end
end
%
if contains(tempstring, 'am')
timendx = strfind(tempstring, 'am');
isam = true;
elseif contains(tempstring, 'AM')
timendx = strfind(tempstring, 'AM');
isam = true;
elseif contains(tempstring, 'pm')
timendx = strfind(tempstring, 'pm');
isam = false;
elseif contains(tempstring, 'PM')
timendx = strfind(tempstring, 'PM');
isam = false;
end
% timeof = tempstring((timendx - 8):(timendx));
timeof = char(table.events_table{j, (timecol)});
%%%%%Below finds the different sleep state periods.
%%%REM
if contains(tempstring, 'REM', IgnoreCase = true)
if remflag == false
remflag = true;
remduration = 0;
remtimestart = table.events_table(j, timecol);
remtimestartndx = j - timestart;
if contains(table.events_table{(j-1), eventscol}, 's0', Ignorecase = true)
beforerem = [beforerem; 0];
elseif contains(table.events_table{(j-1), eventscol}, 's1', IgnoreCase = true)
beforerem = [beforerem; 1];
elseif contains(table.events_table{(j-1), eventscol}, 's2', IgnoreCase = true)
beforerem = [beforerem; 2];
elseif contains(table.events_table{(j-1), eventscol}, 's3', IgnoreCase = true)
beforerem = [beforerem; 3];
elseif contains(table.events_table{(j-1), eventscol}, 's4', IgnoreCase = true)
beforerem = [beforerem; 4];
else
beforerem = -1;
end
end
elseif contains(tempstring, 'SLEEP-', IgnoreCase = true)
if remflag == true
if contains(tempstring, 's0', Ignorecase = true)
afterrem = [afterrem; 0];
elseif contains(tempstring, 's1', IgnoreCase = true)
afterrem = [afterrem; 1];
elseif contains(tempstring, 's2', IgnoreCase = true)
afterrem = [afterrem; 2];
elseif contains(tempstring, 's3', IgnoreCase = true)
afterrem = [afterrem; 3];
elseif contains(tempstring, 's4', IgnoreCase = true)
afterrem = [afterrem; 4];
end
remflag = false;
remtimedone = table.events_table(j, timecol);
remtimedonendx = j - timestart;
%%%%DURATION DETERMINATION
if ~isempty(cell2mat(remtimestart))
startstring = char(cell2mat(remtimestart));
endstring = char(cell2mat(remtimedone));
%%%Finds time of day in seconds for beginning of REM
if contains(startstring, 'am', IgnoreCase = true)
s_time = seconds(duration(startstring(1:(end-2))));
else
s_time = seconds(duration(startstring(1:(end-2)))) + seconds(duration('12:00:00'));
end
if contains(endstring, 'am', IgnoreCase = true)
e_time = seconds(duration(endstring(1:(end-2))));
else
e_time = seconds(duration(endstring(1:(end-2)))) + seconds(duration('12:00:00'));
end
if e_time < s_time
s_time = duration('25:00:00') - s_time;
end
remduration = e_time - s_time;
end
Remtimetemp = [Remtimetemp; {{remtimestart} []}];
Remtimetemp{length(Remtimetemp), 2} = remduration;
Remtimestampstemp = [Remtimestampstemp; {remtimestartndx/length((timestart+1):length(table.events_table))} {remtimedonendx/length((timestart+1):length(table.events_table))} {} {}];
% Remtimesz = [Remtimesz; [remtimestart remtimedone dxaname(n)]];
end
end
end
%%
%below determines beginnings/ends of states
sleepchart = cell2mat(sleepchart);
currentstate = sleepchart(1);
% disp(length(sleepchart))
for j = 2:length(sleepchart)
if ~(currentstate == sleepchart(j))
%recording start time of new state
if sleepchart(j) == 0
s0temp = [s0temp; [j 0]];
elseif sleepchart(j) == 1
s1temp = [s1temp; [j 0]];
elseif sleepchart(j) == 2
s2temp = [s2temp; [j 0]];
elseif sleepchart(j) == 3
s3temp = [s3temp; [j 0]];
elseif sleepchart(j) == 4
s4temp = [s4temp; [j 0]];
end
%recording end time of prior state
if currentstate == 0
s0temp(length(s0temp), size(s0temp, 2)) = j - 1;
elseif currentstate == 1
s1temp(length(s1temp), size(s1temp, 2)) = j - 1;
elseif currentstate == 2
s2temp(length(s2temp), size(s2temp, 2)) = j - 1;
elseif currentstate == 3
s3temp(length(s3temp), size(s3temp, 2)) = j - 1;
elseif currentstate == 4
s4temp(length(s4temp), size(s4temp, 2)) = j - 1;
end
end
currentstate = sleepchart(j);
end
s1temp = s1temp(2:end, 1:2)./length(sleepchart);
s2temp = s2temp(2:end, 1:2)./length(sleepchart);
s3temp = s3temp(2:end, 1:2)./length(sleepchart);
s4temp = s4temp(2:end, 1:2)./length(sleepchart);
%%
%below gives basic distributions of states
sumstates = s0 + s1 + s2 + s3 + s4 + rem;
s0 = s0/sumstates;
s1 = s1/sumstates;
s2 = s2/sumstates;
s3 = s3/sumstates;
s4 = s4/sumstates;
rem = rem/sumstates;
% eventarray = [eventarray [s0; s1; s2; s3; s4; rem; sum]];
%below deals with formatting issues with rem array
try
Remtimetemp(2,1) = Remtimetemp(1,1);
Remtimetemp(1,2) = Remtimetemp(2,2);
Remtimetemp = Remtimetemp((2:end), 1:2);
catch
end
% Remtimes.(stringtemp) = Remtimetemp;
%%
% if ~isempty(s0temp)
% if s0temp(length(s0temp), 2) == 0
% s0temp(length(s0temp), 2) = s0temp(length(s0temp), 1);
% end
% end
% if ~isempty(s1temp)
% if s1temp(length(s1temp), 2) == 0
% s1temp(length(s1temp), 2) = s1temp(length(s1temp), 1);
% end
% end
% if ~isempty(s2temp)
% if s2temp(length(s2temp), 2) == 0
% s2temp(length(s2temp), 2) = s2temp(length(s2temp), 1);
% end
% end
% if ~isempty(s3temp)
% if s3temp(length(s3temp), 2) == 0
% s3temp(length(s3temp), 2) = s3temp(length(s3temp), 1);
% end
% end
%
% if ~isempty(s4temp)
% if s4temp(length(s4temp), 2) == 0
% s4temp(length(s4temp), 2) = s4temp(length(s4temp), 1);
% end
% end
%%
%%%Below adds the current values to their respective data structures
% s0timestamps.(stringtemp) = s0temp;
% s1timestamps.(stringtemp) = s1temp;
% s2timestamps.(stringtemp) = s2temp;
% s3timestamps.(stringtemp) = s3temp;
% s4timestamps.(stringtemp) = s4temp;
try
eventfeatstemp{1} = mean([Remtimetemp{:,2}]);
eventfeatstemp{2} = median([Remtimetemp{:,2}]);
eventfeatstemp{3} = size(Remtimetemp, 1);
eventfeatstemp{4} = afterrem;
eventfeatstemp{5} = beforerem;
eventfeatstemp{6} = rem;
catch
end
% eventfeats.(stringtemp) = eventfeatstemp;
totaltime = [];
%%
%FINDING TOTAL TIME OF RECORDING
%Start time
if contains(timeofstart, 'am', IgnoreCase = true)
isam = true;
elseif contains(timeofstart, 'pm', IgnoreCase = true)
isam = false;
end
if length(timeofstart) == 10
if isam == true
s_hours = str2num(timeofstart(1));
else
s_hours = 12 + str2num(timeofstart(1));
end
s_mins = str2num(timeofstart(3:4));
s_secs = str2num(timeofstart(6:7));
else
if isam == true
s_hours = str2num(timeofstart(1:2));
else
s_hours = 12 + str2num(timeofstart(1:2));
end
s_mins = str2num(timeofstart(4:5));
s_secs = str2num(timeofstart(7:8));
end
%End time
if contains(timeofend, 'am')
isam = true;
elseif contains(timeofend, 'AM')
isam = true;
elseif contains(timeofend, 'pm')
isam = false;
elseif contains(timeofend, 'PM')
isam = false;
end
if length(timeofend) == 10
if isam == true
e_hours = str2num(timeofend(1));
else
e_hours = 12 + str2num(timeofend(1));
end
e_mins = str2num(timeofend(3:4));
e_secs = str2num(timeofend(6:7));
else
if isam == true
e_hours = str2num(timeofend(1:2));
else
e_hours = 12 + str2num(timeofend(1:2));
end
e_mins = str2num(timeofend(4:5));
e_secs = str2num(timeofend(7:8));
end
%%
% captimes.(stringtemp) = [{timeofstart} {timeofend}];
if contains(timeofstart, 'pm', IgnoreCase = true)
timeofstartdur = duration(timeofstart(1:(end-2))) + duration('12:00:00');
else
timeofstartdur = duration(timeofstart(1:(end-2)));
end
if contains(timeofend, 'pm', IgnoreCase = true)
timeofenddur = duration(timeofend(1:(end-2)))+ duration('12:00:00');
else
timeofenddur = duration(timeofend(1:(end-2)));
end
timeofstartdur = 86400 - seconds(timeofstartdur);
totaltime = timeofstartdur + seconds(timeofenddur);
totaltime = 86400 - ((3600*s_hours) + (60*s_mins) + s_secs) + ...
((3600*e_hours) + (60*e_mins) + e_secs);
sleepchart = [sleepchart transpose(linspace(0, totaltime, length(sleepchart)))];
%%%%%%TESTING FOR INDEX
% sleepchart = [sleepchart transpose(1:length(sleepchart))];
% sleepcharts.(stringtemp) = sleepchart;
% Remtimestamps = [Remtimestamps (Remtimestamptemp./totaltime)]
Remtimestampstemp = [Remtimestampstemp; [{length(reporttext)} {length(reporttext)}]];
% Remtimestamps.(stringtemp) = Remtimestampstemp;
s0temp = {s0temp};
s1temp = {s1temp};
s2temp = {s2temp};
s3temp = {s3temp};
s4temp = {s4temp};
Remtimestampstemp = {Remtimestampstemp};
totaltimenew = sum(cell2mat(table.events_table((startrec:end), size(table.events_table, 2))));
totallength = cell2mat(table.events_table((timestart:timeend), size(table.events_table, 2)));
totallength(totallength ~= 30) = [];
totallength = length(totallength);
newtotal = table.events_table((startrec:end), size(table.events_table, 2));
dur = cell2mat(table.events_table((timestart:timeend), size(table.events_table, 2)));
dur = sum(dur(dur==30));
startp = cell2mat(table.events_table((startrec:timestart), size(table.events_table,2 )));
startp = length(startp(startp == 30));
endp = cell2mat(table.events_table((startrec:timeend), size(table.events_table,2 )));
endp = length(endp(endp==30));
alllen = cell2mat(table.events_table((startrec:end), size(table.events_table, 2)));
alllen = length(alllen(alllen == 30));
% dur = sum(dur);
% catch
% disp('bug')
% end
end