--- loncom/interface/statistics/lonproblemanalysis.pm 2004/01/28 14:53:34 1.62 +++ loncom/interface/statistics/lonproblemanalysis.pm 2004/02/20 16:38:49 1.73 @@ -1,6 +1,6 @@ # The LearningOnline Network with CAPA # -# $Id: lonproblemanalysis.pm,v 1.62 2004/01/28 14:53:34 matthew Exp $ +# $Id: lonproblemanalysis.pm,v 1.73 2004/02/20 16:38:49 matthew Exp $ # # Copyright Michigan State University Board of Trustees # @@ -33,7 +33,8 @@ use Apache::lonhtmlcommon(); use Apache::loncoursedata(); use Apache::lonstatistics; use Apache::lonlocal; -use Apache::lonstathelpers; +use Apache::lonstathelpers(); +use Apache::lonstudentsubmissions(); use HTML::Entities(); use Time::Local(); use Spreadsheet::WriteExcel(); @@ -76,7 +77,6 @@ sub BuildProblemAnalysisPage { # &Apache::lonstatistics::PrepareClasslist(); # - $r->print('

'.&mt('Detailed Problem Analysis').'

'); $r->print(&CreateInterface()); # my @Students = @Apache::lonstatistics::Students; @@ -99,6 +99,7 @@ sub BuildProblemAnalysisPage { } $r->rflush(); # + my $problem_types = '(option|radiobutton|numerical)'; if (exists($ENV{'form.problemchoice'}) && ! exists($ENV{'form.SelectAnother'})) { foreach my $button (@SubmitButtons) { @@ -120,8 +121,8 @@ sub BuildProblemAnalysisPage { # my ($prev,$curr,$next) = &Apache::lonstathelpers::get_prev_curr_next($current_problem, - '(option|radiobutton)', - 'response', + $problem_types, + 'response', ); if (exists($ENV{'form.PrevProblemAnalysis'}) && defined($prev)) { $current_problem = $prev; @@ -145,7 +146,8 @@ sub BuildProblemAnalysisPage { $r->print('

'.$resource->{'src'}.'

'); $r->print(&Apache::lonstathelpers::render_resource($resource)); $r->rflush(); - my %Data = &get_problem_data($resource->{'src'}); + my %Data = &Apache::lonstathelpers::get_problem_data + ($resource->{'src'}); my $ProblemData = $Data{$current_problem->{'part'}. '.'. $current_problem->{'respid'}}; @@ -157,6 +159,14 @@ sub BuildProblemAnalysisPage { &RadioResponseAnalysis($r,$current_problem, $ProblemData, \@Students); + } elsif ($current_problem->{'resptype'} eq 'numerical') { +# if (exists($ENV{'form.ExcelOutput'})) { + &Apache::lonstudentsubmissions::prepare_excel_output + ($r,$current_problem,$ProblemData,\@Students); +# } else { +# &NumericalResponseAnalysis($r,$current_problem, +# $ProblemData,\@Students); +# } } else { $r->print('

This analysis is not supported

'); } @@ -168,7 +178,7 @@ sub BuildProblemAnalysisPage { $r->print(' 'x5); $r->print('

'.&mt('Please select a problem to analyze').'

'); $r->print(&Apache::lonstathelpers::ProblemSelector - ('(option|radiobutton)')); + ($problem_types)); } } @@ -176,6 +186,119 @@ sub BuildProblemAnalysisPage { ######################################################### ######################################################### ## +## Numerical Response Routines +## +######################################################### +######################################################### +sub NumericalResponseAnalysis { + my ($r,$problem,$ProblemData,$Students) = @_; + $r->print('

This analysis is not yet supported

'); + my ($resource,$respid) = ($problem->{'resource'}, + $problem->{'respid'}); + my $analysis_html; + my $PerformanceData = + &Apache::loncoursedata::get_response_data + ($Students,$resource->{'symb'},$respid); + if (! defined($PerformanceData) || + ref($PerformanceData) ne 'ARRAY' ) { + $analysis_html = '

'. + &mt('There is no submission data for this resource'). + '

'; + $r->print($analysis_html); + return; + } + my ($max,$min) = &GetStudentAnswers($r,$problem,$Students); + $r->print('Maximum = '.$max.' Minimum = '.$min); + my $max_students = 0; + my %Data; + foreach my $student (@$Students) { + my $answer = $student->{'answer'}; + $Data{$answer}++; + if ($max_students < $Data{$answer}) { + $max_students = $Data{$answer}; + } + } + foreach (5,10,20,25,50,75,100,150,200,250,500,1000,1500,2000,2500,5000) { + if ($max_students < $_) { + $max_students = $_; + last; + } + } + my @Labels = sort {$a <=> $b } keys(%Data); + $r->print('number of labels = '.scalar(@Labels)); + my @PlotData = @Data{@Labels}; + $r->print('number of PlotData = '.scalar(@PlotData)); + my $graph = + &Apache::loncommon::DrawXYGraph('Correct Answer Distribution', + 'Correct Answer', + 'Number of students', + $max_students, + undef, + \@Labels, + [\@PlotData], + (xskip=>10)); + $r->print($graph); + return; +} + +sub GetStudentAnswers { + my ($r,$problem,$Students) = @_; + my %Answers; + my ($resource,$partid,$respid) = ($problem->{'resource'}, + $problem->{'part'}, + $problem->{'respid'}); + # Open progress window + my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin + ($r,'Student Answer Compilation Status', + 'Student Answer Compilation Progress', scalar(@$Students)); + $r->print("\n"); + $r->rflush(); + foreach my $student (@$Students) { + my $sname = $student->{'username'}; + my $sdom = $student->{'domain'}; + my $answer = &Apache::lonstathelpers::analyze_problem_as_student + ($resource,$sname,$sdom,$partid,$respid); + &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state, + &mt('last student')); + $student->{'answer'} = $answer; + } + $r->print("
\n"); + $r->rflush(); + # close progress window + &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state); + return; +} + +sub build_student_data_worksheet { + my ($workbook,$format) = @_; + my $rows_output = 3; + my $cols_output = 0; + my $worksheet = $workbook->addworksheet('Student Data'); + $worksheet->write($rows_output++,0,'Student Data',$format->{'h3'}); + my @Headers = ('full name','username','domain','section', + "student\nnumber",'identifier'); + $worksheet->write_row($rows_output++,0,\@Headers,$format->{'header'}); + my @Students = @Apache::lonstatistics::Students; + my $studentrows = &Apache::loncoursedata::get_student_data(\@Students); + my %ids; + foreach my $row (@$studentrows) { + my ($mysqlid,$student) = @$row; + $ids{$student}=$mysqlid; + } + foreach my $student (@Students) { + my $name_domain = $student->{'username'}.':'.$student->{'domain'}; + $worksheet->write_row($rows_output++,0, + [$student->{'fullname'}, + $student->{'username'},$student->{'domain'}, + $student->{'section'},$student->{'id'}, + $ids{$name_domain}]); + } + return $worksheet; +} + +######################################################### +######################################################### +## ## Radio Response Routines ## ######################################################### @@ -183,7 +306,7 @@ sub BuildProblemAnalysisPage { sub RadioResponseAnalysis { my ($r,$problem,$ProblemData,$Students) = @_; my ($resource,$respid) = ($problem->{'resource'}, - $problem->{'respid'}); + $problem->{'respid'}); my $analysis_html; my $PerformanceData = &Apache::loncoursedata::get_response_data @@ -301,6 +424,7 @@ sub RR_Tries_Foil_Analysis { 'Percent Choosing', 100, ['#33ff00','#ff3300'], + undef, \@PlotData_Correct, \@PlotData_Incorrect); } @@ -493,7 +617,7 @@ sub OR_Tries_Foil_Analysis { } my $correctgraph = &Apache::loncommon::DrawBarGraph ($title,'Foil Number','Percent Correct', - 100,$plotcolors,$Datasets[0]); + 100,$plotcolors,undef,$Datasets[0]); $analysis_html.= ''.$correctgraph.''; ## ## @@ -512,7 +636,7 @@ sub OR_Tries_Foil_Analysis { $title = 'Attempt '.$i.', '.$count; my $incorrectgraph = &Apache::loncommon::DrawBarGraph ($title,'Foil Number','% Option Chosen Incorrectly', - 100,$plotcolors,@Datasets); + 100,$plotcolors,undef,@Datasets); $analysis_html.= ''.$incorrectgraph.''; $analysis_html.= ''.$foilkey."\n"; } @@ -579,7 +703,7 @@ sub OR_Tries_Concept_Analysis { $title = 'Attempt '.$i.', '.$count; my $graphlink = &Apache::loncommon::DrawBarGraph ($title,'Concept Number','Percent Correct', - 100,$plotcolors,$PlotData[$i]->{'_correct'}); + 100,$plotcolors,undef,$PlotData[$i]->{'_correct'}); $analysis_html.= ''.$graphlink."\n"; } $analysis_html .= "\n"; @@ -744,6 +868,7 @@ sub OR_Foil_Time_Analysis { 'Percent Correct', 100, $plotcolors, + undef, $Plotdata[0]); for (my $j=0; $j< scalar(@{$Plotdata[0]});$j++) { $Plotdata[0]->[$j]=0; @@ -761,6 +886,7 @@ sub OR_Foil_Time_Analysis { 'Incorrect Option Choice', 100, $plotcolors, + undef, @Plotdata); $analysis_html.=''. ''.$correctplot.''. @@ -825,6 +951,7 @@ sub OR_Concept_Time_Analysis { 'Percent Correct', 100, $plotcolors, + undef, \@Plotdata); $analysis_html.=''. ''.$correctplot.''. @@ -866,22 +993,11 @@ sub OR_excel_sheet { } # $workbook->set_tempdir('/home/httpd/perl/tmp'); - # - # Define some potentially useful formats - my $format; - $format->{'header'} = $workbook->add_format(bold => 1, - bottom => 1, - align => 'center'); - $format->{'bold'} = $workbook->add_format(bold=>1); - $format->{'h1'} = $workbook->add_format(bold=>1, size=>18); - $format->{'h2'} = $workbook->add_format(bold=>1, size=>16); - $format->{'h3'} = $workbook->add_format(bold=>1, size=>14); - $format->{'date'} = $workbook->add_format(num_format=> - 'mmm d yyyy hh:mm AM/PM'); + my $format = &Apache::loncommon::define_excel_formats($workbook); # # Create and populate main worksheets my $problem_data_sheet = $workbook->addworksheet('Problem Data'); - my $student_data_sheet = $workbook->addworksheet('Student Data'); + my $student_data_sheet = &build_student_data_worksheet($workbook,$format); my $response_data_sheet = $workbook->addworksheet('Response Data'); foreach my $sheet ($problem_data_sheet,$student_data_sheet, $response_data_sheet) { @@ -895,10 +1011,6 @@ sub OR_excel_sheet { if ($result ne 'okay') { # Do something useful } - $result = &OR_build_student_data_worksheet($student_data_sheet,$format); - if ($result ne 'okay') { - # Do something useful - } $result = &OR_build_response_data_worksheet($response_data_sheet,$format, $PerformanceData,$Foils, $ORdata); @@ -987,32 +1099,6 @@ sub OR_build_problem_data_worksheet { return 'okay'; } -sub OR_build_student_data_worksheet { - my ($worksheet,$format) = @_; - my $rows_output = 3; - my $cols_output = 0; - $worksheet->write($rows_output++,0,'Student Data',$format->{'h3'}); - my @Headers = ('full name','username','domain','section', - "student\nnumber",'identifier'); - $worksheet->write_row($rows_output++,0,\@Headers,$format->{'header'}); - my @Students = @Apache::lonstatistics::Students; - my $studentrows = &Apache::loncoursedata::get_student_data(\@Students); - my %ids; - foreach my $row (@$studentrows) { - my ($mysqlid,$student) = @$row; - $ids{$student}=$mysqlid; - } - foreach my $student (@Students) { - my $name_domain = $student->{'username'}.':'.$student->{'domain'}; - $worksheet->write_row($rows_output++,0, - [$student->{'fullname'}, - $student->{'username'},$student->{'domain'}, - $student->{'section'},$student->{'id'}, - $ids{$name_domain}]); - } - return; -} - sub OR_build_response_data_worksheet { my ($worksheet,$format,$PerformanceData,$Foils,$ORdata)=@_; my $rows_output = 3; @@ -1042,7 +1128,7 @@ sub OR_build_response_data_worksheet { } $worksheet->write($rows_output,$cols_output++,$student); $worksheet->write($rows_output,$cols_output++, - &calc_serial($time),$format->{'date'}); + &Apache::lonstathelpers::calc_serial($time),$format->{'date'}); $worksheet->write($rows_output,$cols_output++,$award); $worksheet->write($rows_output,$cols_output++,$tries); foreach my $foilid (@$Foils) { @@ -1057,185 +1143,6 @@ sub OR_build_response_data_worksheet { return; } - -## -## The following is copied from datecalc1.pl, part of the -## Spreadsheet::WriteExcel CPAN module. -## -## -###################################################################### -# -# Demonstration of writing date/time cells to Excel spreadsheets, -# using UNIX/Perl time as source of date/time. -# -# Copyright 2000, Andrew Benham, adsb@bigfoot.com -# -###################################################################### -# -# UNIX/Perl time is the time since the Epoch (00:00:00 GMT, 1 Jan 1970) -# measured in seconds. -# -# An Excel file can use exactly one of two different date/time systems. -# In these systems, a floating point number represents the number of days -# (and fractional parts of the day) since a start point. The floating point -# number is referred to as a 'serial'. -# The two systems ('1900' and '1904') use different starting points: -# '1900'; '1.00' is 1 Jan 1900 BUT 1900 is erroneously regarded as -# a leap year - see: -# http://support.microsoft.com/support/kb/articles/Q181/3/70.asp -# for the excuse^H^H^H^H^H^Hreason. -# '1904'; '1.00' is 2 Jan 1904. -# -# The '1904' system is the default for Apple Macs. Windows versions of -# Excel have the option to use the '1904' system. -# -# Note that Visual Basic's "DateSerial" function does NOT erroneously -# regard 1900 as a leap year, and thus its serials do not agree with -# the 1900 serials of Excel for dates before 1 Mar 1900. -# -# Note that StarOffice (at least at version 5.2) does NOT erroneously -# regard 1900 as a leap year, and thus its serials do not agree with -# the 1900 serials of Excel for dates before 1 Mar 1900. -# -###################################################################### -# -# Calculation description -# ======================= -# -# 1900 system -# ----------- -# Unix time is '0' at 00:00:00 GMT 1 Jan 1970, i.e. 70 years after 1 Jan 1900. -# Of those 70 years, 17 (1904,08,12,16,20,24,28,32,36,40,44,48,52,56,60,64,68) -# were leap years with an extra day. -# Thus there were 17 + 70*365 days = 25567 days between 1 Jan 1900 and -# 1 Jan 1970. -# In the 1900 system, '1' is 1 Jan 1900, but as 1900 was not a leap year -# 1 Jan 1900 should really be '2', so 1 Jan 1970 is '25569'. -# -# 1904 system -# ----------- -# Unix time is '0' at 00:00:00 GMT 1 Jan 1970, i.e. 66 years after 1 Jan 1904. -# Of those 66 years, 17 (1904,08,12,16,20,24,28,32,36,40,44,48,52,56,60,64,68) -# were leap years with an extra day. -# Thus there were 17 + 66*365 days = 24107 days between 1 Jan 1904 and -# 1 Jan 1970. -# In the 1904 system, 2 Jan 1904 being '1', 1 Jan 1970 is '24107'. -# -###################################################################### -# -# Copyright (c) 2000, Andrew Benham. -# This program is free software. It may be used, redistributed and/or -# modified under the same terms as Perl itself. -# -# Andrew Benham, adsb@bigfoot.com -# London, United Kingdom -# 11 Nov 2000 -# -###################################################################### - -# Use 1900 date system on all platforms other than Apple Mac (for which -# use 1904 date system). -my $DATE_SYSTEM = ($^O eq 'MacOS') ? 1 : 0; - -#----------------------------------------------------------- -# calc_serial() -# -# Called with (up to) 2 parameters. -# 1. Unix timestamp. If omitted, uses current time. -# 2. GMT flag. Set to '1' to return serial in GMT. -# If omitted, returns serial in appropriate timezone. -# -# Returns date/time serial according to $DATE_SYSTEM selected -#----------------------------------------------------------- -sub calc_serial { - my $time = (defined $_[0]) ? $_[0] : time(); - my $gmtflag = (defined $_[1]) ? $_[1] : 0; - - # Divide timestamp by number of seconds in a day. - # This gives a date serial with '0' on 1 Jan 1970. - my $serial = $time / 86400; - - # Adjust the date serial by the offset appropriate to the - # currently selected system (1900/1904). - if ($DATE_SYSTEM == 0) { # use 1900 system - $serial += 25569; - } else { # use 1904 system - $serial += 24107; - } - - unless ($gmtflag) { - # Now have a 'raw' serial with the right offset. But this - # gives a serial in GMT, which is false unless the timezone - # is GMT. We need to adjust the serial by the appropriate - # timezone offset. - # Calculate the appropriate timezone offset by seeing what - # the differences between localtime and gmtime for the given - # time are. - - my @gmtime = gmtime($time); - my @ltime = localtime($time); - - # For the first 7 elements of the two arrays, adjust the - # date serial where the elements differ. - for (0 .. 6) { - my $diff = $ltime[$_] - $gmtime[$_]; - if ($diff) { - $serial += _adjustment($diff,$_); - } - } - } - - # Perpetuate the error that 1900 was a leap year by decrementing - # the serial if we're using the 1900 system and the date is prior to - # 1 Mar 1900. This has the effect of making serial value '60' - # 29 Feb 1900. - - # This fix only has any effect if UNIX/Perl time on the platform - # can represent 1900. Many can't. - - unless ($DATE_SYSTEM) { - $serial-- if ($serial < 61); # '61' is 1 Mar 1900 - } - return $serial; -} - -sub _adjustment { - # Based on the difference in the localtime/gmtime array elements - # number, return the adjustment required to the serial. - - # We only look at some elements of the localtime/gmtime arrays: - # seconds unlikely to be different as all known timezones - # have an offset of integral multiples of 15 minutes, - # but it's easy to do. - # minutes will be different for timezone offsets which are - # not an exact number of hours. - # hours very likely to be different. - # weekday will differ when localtime/gmtime difference - # straddles midnight. - # - # Assume that difference between localtime and gmtime is less than - # 5 days, then don't have to do maths for day of month, month number, - # year number, etc... - - my ($delta,$element) = @_; - my $adjust = 0; - - if ($element == 0) { # Seconds - $adjust = $delta/86400; # 60 * 60 * 24 - } elsif ($element == 1) { # Minutes - $adjust = $delta/1440; # 60 * 24 - } elsif ($element == 2) { # Hours - $adjust = $delta/24; # 24 - } elsif ($element == 6) { # Day of week number - # Catch difference straddling Sat/Sun in either direction - $delta += 7 if ($delta < -4); - $delta -= 7 if ($delta > 4); - - $adjust = $delta; - } - return $adjust; -} - sub build_foil_index { my ($ORdata) = @_; return if (! exists($ORdata->{'_Foils'})); @@ -1264,15 +1171,15 @@ sub build_foil_index { my $a1 = lc($a); my $b1 = lc($b); if (exists($Numbers{$a1})) { - $a = $Numbers{$a1}; + $a1 = $Numbers{$a1}; } if (exists($Numbers{$b1})) { - $b = $Numbers{$b1}; + $b1 = $Numbers{$b1}; } - if (($a =~/^\d+$/) && ($b =~/^\d+$/)) { - return $a <=> $b; + if (($a1 =~/^\d+$/) && ($b1 =~/^\d+$/)) { + return $a1 <=> $b1; } else { - return $a cmp $b; + return $a1 cmp $b1; } }; my @Concepts; @@ -1313,18 +1220,18 @@ sub build_foil_index { if (@Concepts > 1) { $table .= ''. ''.$conceptindex.''. - ''.$concept->{'name'}.''. + ''.&HTML::Entities::encode($concept->{'name'}).''. ''.$foilindex++.''. - ''.$Foildata{$firstfoil}->{'name'}.''. + ''.&HTML::Entities::encode($Foildata{$firstfoil}->{'name'}).''. ''.$Foildata{$firstfoil}->{'text'}.''. - ''.$Foildata{$firstfoil}->{'value'}.''. + ''.&HTML::Entities::encode($Foildata{$firstfoil}->{'value'}).''. "\n"; } else { $table .= ''. ''.$foilindex++.''. - ''.$Foildata{$firstfoil}->{'name'}.''. + ''.&HTML::Entities::encode($Foildata{$firstfoil}->{'name'}).''. ''.$Foildata{$firstfoil}->{'text'}.''. - ''.$Foildata{$firstfoil}->{'value'}.''. + ''.&HTML::Entities::encode($Foildata{$firstfoil}->{'value'}).''. "\n"; } foreach my $foilid (@FoilsInConcept) { @@ -1333,16 +1240,16 @@ sub build_foil_index { ''. ''. ''.$foilindex.''. - ''.$Foildata{$foilid}->{'name'}.''. + ''.&HTML::Entities::encode($Foildata{$foilid}->{'name'}).''. ''.$Foildata{$foilid}->{'text'}.''. - ''.$Foildata{$foilid}->{'value'}.''. + ''.&HTML::Entities::encode($Foildata{$foilid}->{'value'}).''. "\n"; } else { $table .= ''. ''.$foilindex.''. - ''.$Foildata{$foilid}->{'name'}.''. + ''.&HTML::Entities::encode($Foildata{$foilid}->{'name'}).''. ''.$Foildata{$foilid}->{'text'}.''. - ''.$Foildata{$foilid}->{'value'}.''. + ''.&HTML::Entities::encode($Foildata{$foilid}->{'value'}).''. "\n"; } } continue { @@ -1367,7 +1274,7 @@ sub build_option_index { ''. ''. (' 'x4).''. - ''.$option.''. + ''.&HTML::Entities::encode($option).''. "\n"); } shift(@Rows); # Throw away 'correct option chosen' color @@ -1391,6 +1298,8 @@ sub CreateInterface { ## ## Build the menu my $Str = ''; + $Str .= &Apache::lonhtmlcommon::breadcrumbs + (undef,&mt('Detailed Problem Analysis')); $Str .= ''."\n"; $Str .= ''; $Str .= ''; @@ -1548,58 +1457,6 @@ sub Process_OR_Row { return %RowData; } -## -## get problem data and put it into a useful data structure. -## note: we must force each foil and option to not begin or end with -## spaces as they are stored without such data. -## -sub get_problem_data { - my ($url) = @_; - my $Answ=&Apache::lonnet::ssi($url,('grade_target' => 'analyze')); - (my $garbage,$Answ)=split(/_HASH_REF__/,$Answ,2); - my %Answer; - %Answer=&Apache::lonnet::str2hash($Answ); - my %Partdata; - foreach my $part (@{$Answer{'parts'}}) { - while (my($key,$value) = each(%Answer)) { - next if ($key !~ /^$part/); - $key =~ s/^$part\.//; - if (ref($value) eq 'ARRAY') { - if ($key eq 'options') { - $Partdata{$part}->{'_Options'}=$value; - } elsif ($key eq 'concepts') { - $Partdata{$part}->{'_Concepts'}=$value; - } elsif ($key =~ /^concept\.(.*)$/) { - my $concept = $1; - foreach my $foil (@$value) { - $Partdata{$part}->{'_Foils'}->{$foil}->{'_Concept'}= - $concept; - } - } - } else { - if ($key=~ /^foil\.text\.(.*)$/) { - my $foil = $1; - $Partdata{$part}->{'_Foils'}->{$foil}->{'name'}=$foil; - $value =~ s/(\s*$|^\s*)//g; - $Partdata{$part}->{'_Foils'}->{$foil}->{'text'}=$value; - } elsif ($key =~ /^foil\.value\.(.*)$/) { - my $foil = $1; - $Partdata{$part}->{'_Foils'}->{$foil}->{'value'}=$value; - } - } - } - } - return %Partdata; -} - 1; __END__ - -##### -# partdata{part}->{_Foils}->{foilid}->{'name'} = $ -# ->{'text'} = $ -# ->{'value'} = $ -# ->{'_Concept'} = $ -# partdata{part}->{_Options} = @ -# partdata{part}->{_Concepts} = @
'.&mt('Sections').'