e2$date.2,e2$date.1,cal))Errorinbizdays.Date(e2$date.2,e2$date.1,cal):All from dates must be greater thanallto dates. Help appreciated. Nweekdays()function is adapted from @J. Won. solution atCalculate the number of weekdays between 2 dates in R This modified function takes into acc...
rangejoinforms all pairwise combinations of observations that fall within a specified range. Since you want to match observations that have the sameClassvalue, the join can be performed withinClassgroups. Since you have daily dates, I set up the solution to use a window of +/...
the avg. value(mathematically and as expected) should be 0 (1-1+0) which can be interpreted as 12:AM (your avg. bedtime for those days). I've been looking for the solution to this problem in SQL/Excel but no luck. Hoping someone could help with the maths that would take into acco...
Notice the average number of days you can expect it will take for your home to sell. Determine if your home is part of a buyer's or seller's market. Mark and Lisa learn that their home is part of a buyer's market (6.7), and they can expect their home to be on the market appro...
Ever since 1993,when funding from America's space agency,NASA,was cut,the Search for Extraterrestrial Intelligence,which scans the sky looking for radio signals from intelligent aliens,has been inventive in its methods.In particular,it was one of the pioneers of the field o...
Most migrating(迁徙的) birds fly between cold and warm places,partly to avoid the winter.Their trips are tiring and dangerous—fewer than half of first-time migrating birds make it back the next year.Small birds often fly at night,stopping during the day to rest.Large bi...
site, and then every other month, virtually as well. So, you can put through a good number of people. Just monthly through the year, 12 workshops at 8 ahead, you can get almost 100 people through, and then another 50 virtually. So, you're gearing up to do a good number of folks....
Event ID: 2089 - This directory partition has not been backed up since at least the following number of days. Event ID: 2886 Event ID: 2887 : Display Error again and again Event ID: 4004 DNS server was unable to complete directory service enumeration of zone _msdcs.xxx.com Event id...
Yet in spite of this fragmentation, and in spite of the fact that he had few, if any, engagements or appointments in the chaotic days after the war, Klemperer still regarded the radio's time announcement as a 'blessing'. Clearly, it was not the time itself that was a blessing, but ...
I am trying to cut the duration into two if start (1) is on on day and end (0) is on next day provided they are continuous dates (like 1,2,3,4) and there is no 1s in between or there are any number of 1s between 1 and 0. First occurrence of 1 is li...