i have sample sas output , need find out how many observations , compute t-statistic beta1. can me started on how go doing this? sample sas output to number of obs in dataset can run code. data _null_; put nobs=; stop; set sashelp.class nobs=nobs; run; a proc reg give summary statistics need, namely, t-value, beta1 , beta null, intercepts of regression equation. here simple easy follow example http://support.sas.com/documentation/cdl/en/statug/63962/html/default/viewer.htm#statug_reg_sect003.htm
i´m starting customize/improve old audio editor project. can import audio tracks canvas via drag&drop computer. thing use audio tracks stored in server clicking on list of available tracks... instead of use <input type="file"> tags. how can read server side files filereader?ajax perhaps? in advance. this code file reader: player.prototype.loadfile = function(file, el) { //console.log(file); var reader = new filereader, filetypes = ['audio/mpeg', 'audio/mp3', 'audio/wave', 'audio/wav'], = this; if (filetypes.indexof(file.type) < 0) { throw('unsupported file format!'); } reader.onloadend = function(e) { if (e.target.readystate == filereader.done) { // done == 2 $('.progress').children().width('100%'); var onsuccess = function(audiobuffer) { $(el).trigger('audiee:fileloaded', [audiobuffer, file]); ...
i have parse class called friendrelation. class has 2 users, 1 friend other user. i want of messages posted of friends of user. attempting following query: pfquery *innerquery = [pfquery querywithclassname:@"friendrelation"]; [innerquery wherekey:@"user" equalto:currentuser]; pfquery *query = [pfquery querywithclassname:@"message"]; [query wherekey:@"usermessage" matchesquery:innerquery]; [query findobjectsinbackgroundwithblock:^(nsarray *comments, nserror *error) { }]; this query comes no results. i believe occurring because of line: [query wherekey:@"usermessage" matchesquery:innerquery]; the key needs friendrelation match. correct? how can make results of inner query user intern match matching query? thanks! you can try using - (void)wherekey:(nsstring *)key matcheskey:(nsstring *)otherkey inquery:(pfquery *)query something like: pfqu...
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