{"id":4725,"date":"2012-10-10T17:00:28","date_gmt":"2012-10-10T17:00:28","guid":{"rendered":"https:\/\/www.snapsurveys.com\/support-snap11\/?page_id=4725"},"modified":"2018-10-04T14:52:55","modified_gmt":"2018-10-04T13:52:55","slug":"calculating-number-days-dates","status":"publish","type":"page","link":"https:\/\/www.snapsurveys.com\/support-snap11\/worksheets\/calculating-number-days-dates\/","title":{"rendered":"Calculating the Number of Days between Two Dates"},"content":{"rendered":"

Calculating the number of days between two dates is easy as this worksheet shows.<\/p>\n

The example we will use is of a vacation questionnaire where we want to find the period of time the respondent has spent on vacation. In addition, there is a requirement to determine the average length of stay by age of respondent and to group the period away into useful bands.<\/p>\n

The original questionnaire asked for the date when respondents went on vacation, the date they returned and the age of the respondent.<\/p>\n

Step By Step<\/h3>\n
\n

Step 1<\/h3>\n

Enter two open ended, date response questions, one for vacation departure date and one for the vacation return date. Then create Q3 using a multiple-choice, single response question to capture respondent’s ages. You can do this easily by using the reference window\u00a0\"rereference. Now ensure that the data has been input into Snap.
\n\"Vacation<\/p>\n<\/div>\n

\n

Step 2<\/h3>\n

From the Variables window click on New Variable to create the variable that will contain the formula to work out the number of days between the two dates.
\n\"Variable<\/p>\n<\/div>\n

\n

Step 3<\/h3>\n

Enter the following information:<\/p>\n\n\n\n\n\n\n\n
Name:<\/td>\nDaysAway<\/strong><\/td>\n<\/tr>\n
Label:<\/td>\nDays Away on Vacation<\/strong><\/td>\n<\/tr>\n
Type:<\/td>\nDerived<\/strong><\/td>\n<\/tr>\n
Response:<\/td>\nQuantity<\/strong><\/td>\n<\/tr>\n
Text:<\/td>\nDays Away on Vacation<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

In the Values column, in the same row as Valid, type Q2-Q1. This will calculate the amount of days between holiday departure date and holiday return date.<\/p>\n<\/div>\n

Creating a table to show the average length of stay by age<\/h3>\n

This is one way that you could display the results of the data.<\/p>\n

\n

Step 1<\/h3>\n

Click on Results Table \"results.
\n\"Results<\/p>\n<\/div>\n

\n

Step 2<\/h3>\n

Change the Calculate field from Counts and Percents to Means and Significances.<\/p>\n<\/div>\n

\n

Step 3<\/h3>\n

Type the Q3 into Analysis and DaysAway into the box to the right of Means & Significances.<\/p>\n<\/div>\n

\n

Step 4<\/h3>\n

Click\u00a0OK<\/strong>\u00a0to show results.
\n\"Length<\/p>\n<\/div>\n

Grouping the number of days on vacation into useful bands.<\/h3>\n

This will categorise the data so that a table or chart can be produced.<\/p>\n

\n

Step 1<\/h3>\n

From the\u00a0Variables<\/strong>\u00a0window \"multiples\u00a0click New Variable \"plus\u00a0to create the variable to show the amount of days from the departure date to the return date.<\/p>\n<\/div>\n

\n

Step 2<\/h3>\n

Enter the following information:<\/p>\n\n\n\n\n\n\n
Name:<\/td>\nLength<\/strong><\/td>\n<\/tr>\n
Label:<\/td>\nLength of Vacation<\/strong><\/td>\n<\/tr>\n
Type:<\/td>\nNumeric<\/strong><\/td>\n<\/tr>\n
Response:<\/td>\nSingle<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
\n

Step 3<\/h3>\n

Click in the Label field for Code 1 and type out the first answer e.g. 1 to 3 days. Press Tab on the keyboard, this will jump to the Values column. In this column Snap needs to know what numbers are to be displayed in this answer e.g. 1 to 3. Follow the same procedure to create categories for 4 to 6 days, 7 to 10 days and over 10 days.
\n\"Variable<\/p>\n<\/div>\n

\n

Step 4<\/h3>\n

Click on Toggle Details\u00a0\"Design\u00a0and change Source to DaysAway.<\/p>\n<\/div>\n

\n

Step 5<\/h3>\n

Click Keep changes\u00a0\"Save\"\u00a0to save.<\/p>\n<\/div>\n

\n

Step 6<\/h3>\n

Click on Results Table \"results\u00a0or Results Chart \"results\u00a0to show the results definition window.<\/p>\n<\/div>\n

\n

Step 7<\/h3>\n

Type the word Length into Analysis. Click\u00a0OK<\/strong>\u00a0to show results.
\n\"Length<\/p>\n<\/div>\n

If there is a topic you would like a worksheet on, email to snapideas@snapsurveys.com<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

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