If const is FALSE, b is set equal to 0 (zero), and the m-values are adjusted so that y = mx. If const is TRUE or omitted, b is calculated normally. If known_x's is omitted, it is assumed to be the array that is the same size as known_y's.Ī logical value specifying whether to force the constant b to equal 0 If more than one variable is used, known_y's must be a vector (that is, a range with a height of one row or a width of one column). If only one variable is used, known_y's and known_x's can be ranges of any shape, as long as they have equal dimensions. A new dialog panel will show up to the right. (Sometimes you might need to click twice.) Click on Format Trendline Label from the options that appear. The array known_x's can include one or more sets of variables. In the latest version of Excel, however, you can change the number of digits displayed in your fit by doing the following. If the array known_y's is in a single row, then each row of known_x's is interpreted as a separate variable.Īn optional set of x-values that you may already know in the relationship y = mx + b If the array known_y's is in a single column, then each column of known_x's is interpreted as a separate variable.
The set of y-values you already know in the relationship y = mx + b The TREND function syntax has the following arguments:
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