Reference: basic functions

The Calculated Metrics Builder lets you apply statistical and mathematical functions to build Advanced Calculated Metrics.

Here is an alphabetical list of the functions and their definitions.

NOTE
Where metric is identified as an argument in a function, other expressions of metrics are also allowed. For example, MAXV(metrics) also allows for MAXV(PageViews + Visits).

Table Functions versus Row Functions section_8977BE40A47E4ED79EB543A9703A4905

A table function is one where the output is the same for every row of the table. A row function is one where the output is different for every row of the table.

Absolute Value (Row) concept_4CC47884F7CA49D5B84AC898EA596673

Returns the absolute value of a number. The absolute value of a number is the number with a positive value.

ABS(metric)
Argument
Description
metric
The metric for which you want the absolute value.

Column Maximum concept_B25518D717D24F82B65CDE49A153D3A3

Returns the largest value in a set of dimension elements for a metric column. MAXV evaluates vertically within a single column (metric) across dimension elements.

MAXV(metric)
Argument
Description
metric
A metric that you would like to have evaluated.

Column Minimum concept_5B1033F8ACE9485F9AD3CDC0D146391B

Returns the smallest value in a set of dimension elements for a metric column. MINV evaluates vertically within a single column (metric) across dimension elements.

MINV(metric)
Argument
Description
metric
A metric that you would like to have evaluated.

Column Sum concept_391F04FBC3CC43368CA0C5AACE74D4B1

Adds all of the numeric values for a metric within a column (across the elements of a dimension).

SUM(metric)
Argument
Description
metric
The metric for which you want the total value or sum.

Count (Table) concept_2C6ED2B88AB74481BD130969FB071A41

Returns the number, or count, of non-zero values for a metric within a column (the number of unique elements reported within a dimension).

COUNT(metric)
Argument
Description
metric
The metric that you want to count.

Exponent (Row) concept_17554F9D234449FB8DDEE895816B3FF1

Returns e raised to the power of a given number. The constant e equals 2.71828182845904, the base of the natural logarithm. EXP is the inverse of LN, the natural logarithm of a number.

EXP(metric)
Argument
Description
metric
The exponent applied to the base e.

Exponentiation concept_941578534F1E4583B1BEB067C8113A21

Power Operator

pow(x,y) = x<sup>y</sup> = x*x*x*… (y times)

Mean (Table) concept_F4FF950580304D0B99DA7FBB5DB8730A

Returns the arithmetic mean, or average, for a metric in a column.

MEAN(metric)
Argument
Description
metric
The metric for which you want the average.

Median (Table) concept_183EC31208524EDB8463D986DE2E895F

Returns the median for a metric in a column. The median is the number in the middle of a set of numbers—that is, half the numbers have values that are greater than or equal to the median, and half are less than or equal to the median.

MEDIAN(metric)
Argument
Description
metric
The metric for which you want the median.

Modulo concept_DE0825D7A51643219CB01F59667EA352

The remainder of col1 / col2, using Euclidean division.

Returns the remainder after dividing x by y.

x = floor(x/y) + modulo(x,y)

The return value has the same sign as the input (or is zero).

modulo(4,3) = 1
modulo(-4,3) = -1
modulo(-3,3) = 0

To always get a positive number, use

modulo(modulo(x,y)+y,y)

Percentile (Table) concept_51DF57B606D14F898E5010DBA61CA979

Returns the k-th percentile of values for a metric. You can use this function to establish a threshold of acceptance. For example, you can decide to examine dimension elements who score above the 90 percentile.

PERCENTILE(metric,k)
Argument
Description
metric
The metric column that defines relative standing.
k
The percentile value in the range 0 to 100, inclusive.

Quartile (Table) concept_BFD37F0F23A24AD181407142233FA151

Returns the quartile of values for a metric. For example, quartiles can be used to find the top 25% of products driving the most revenue. MINV, MEDIAN, and MAXV return the same value as QUARTILE when quart is equal to 0 (zero), 2, and 4, respectively.

QUARTILE(metric,quart)
Argument
Description
metric
The metric for which you want the quartile value.
quart
Indicates which *value to return.

*If quart = 0, QUARTILE returns the minimum value. If quart = 1, QUARTILE returns the first quartile (25 percentile). If quart = 2, QUARTILE returns the first quartile (50 percentile). If quart = 3, QUARTILE returns the first quartile (75 percentile). If quart = 4, QUARTILE returns the maximum value.

Round concept_2F12F2A6ACD445A0A8FF648AE4D4CB9E

Returns the nearest integer for a given value. For example, if you want to avoid reporting currency decimals for revenue and a product has $569.34, use the formula Round( Revenue) to round revenue to the nearest dollar, or $569. A product reporting $569.51 will be round to the nearest dollar, or $570.

ROUND(metric)
Argument
Description
number
The metric you want to round.

Round without a digits parameter is the same as round with a digits parameter of 0, namely round to the nearest integer. With a digits parameter it returns that many digits to the right of the decimal. If digits is negative, it returns 0’s to the left of the decimal.

round( 314.15, 0) = 314
round( 314.15, 1) = 314.1
round( 314.15, -1) = 310
round( 314.15, -2) = 300

Row Count concept_0DBF5995881C47CF95F793125F3A0E2B

Returns the count of rows for a given column (the number of unique elements reported within a dimension). “Uniques exceeded” is counted as 1.

Row Max concept_984D045D7EDD4A1ABED454CDF2EC23C5

The maximum of the columns in each row.

Row Min concept_A6FB9E72C70A43D0B31565E70B8122BD

The minimum of the columns in each row.

Row Sum concept_E9EAB0FC5233498F907E7A078698A98E

The sum of the columns of each row.

Square Root (Row) concept_6460DFA51EC24527A2317970FB76D404

Returns the positive square root of a number. The square root of a number is the value of that number raised to the power of 1/2.

SQRT(metric)
Argument
Description
number
The metric for which you want the square root.

Standard Deviation (Table) concept_A383A8BCC6FA42D7B73F7C83997D782A

Returns the standard deviation, or square root of the variance, based on a sample population of data.

The equation for STDEV is:

Where x is the value of each sample (metric), is the population mean and n is the population size.

STDEV(metric)
Argument
Description
metric
The metric for which you want for standard deviation.

Variance (Table) concept_269751EDC5A34E689112AE16E04A11B0

Returns the variance based on a sample population of data.

The equation for VARIANCE is:

Where x is the value of each sample (metric), is the population mean and n is the population size.

VARIANCE(metric)
Argument
Description
metric
The metric for which you want the variance.

In order to calculate a variance you look at an entire column of numbers. From that list of numbers you first calculate the average. Once you have the average you go through each entry and do the following:

  1. Subtract the average from the number.
  2. Square the result.
  3. Add that to the total.

Once you have iterated over the entire column you have a single total. You then divide that total by the number of items in the column. That number is the variance for the column. It is a single number. It is, however, displayed as a column of numbers.

As an example, let’s say you have a three-item column:

1

2

3

The average of this column is 2. The variance for the column will be ((1 - 2)2 + (2 - 2)2 + (3 - 2)2/3 = 2/3.

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