

Your project data trend for the next 6 periods is created. STEP 3:Under forecast, type “6” in the forward box. STEP 2: Select the Trendline Options tab. STEP 1:Double click on the trendline to open the Format Trendline pane. Follow the steps below to understand how to forecast data trends. In this example, you want to forecast sales for the next 6 periods. In Excel, you can extend your data and project the data trend into the future or past using the features of Trendline. STEP 3:From the Format Trendline pane, click the Fill & Line category. Or, you can skip STEP 1 & 2 and simply double click on the trendline to open the Format Trendline pane. STEP 2:Select the Format Trendline option. In the example below, you want to change the color of the trendline to blue, increase the width to 2.5, and change the dash type. You can change the color, transparency, width, dash type, compound type, cap type, and more for your trendline.
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Now that you know how to add trendline in Excel, let’s move forward to understand how to format them. Moving Average – It is used to smooth the extreme fluctuations of data and show a clearer direction to data trends.Polynomial – It is a curved line that should be used when data fluctuates more than one rise and fall.Logarithmic – This trendline should be used when the data increase/decrease quickly and then levels out.Exponential – It shows the increase/decrease in the value of data at an increasingly higher rate.Linear – It is a straight line that shows the increase/decrease in the value of data over time at a steady rate.So my problem is, since scatter chart is unable to take a blank cell as input, so i am not able to make a generic template to make a Q-Q Plot.There are different types of trendlines available to be added to the Excel Charts: x-range just becomes 1,2,3.always irrespective of what values are there in the designated column of x-values. Instead of plotting selected y against selected x alues, it just plots the selected y valyes against serial number of the ys i.e.

Problem being faced is that if there is even one x-y pair empty in the input cells range of that scatter chart, then the chart doen't plot correctly. I am trying to make a general template to plot a Q-Q plot for upto 100 data points (if a reader is unaware of what a Q-Q plot is, in present context it doesn't matter, just take it as a simple X-Y Scatter Chart)
