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PHP Array Functions

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  PHP  Array  Functions The array functions allow you to access and manipulate arrays. Simple and multi-dimensional arrays are supported. Function Description array() Creates an array array_column() Returns the values from a single column in the input array array_combine() Creates an array by using the elements from one "keys" array and one "values" array array_flip() Flips/Exchanges all keys with their associated values in an array array_pop() Deletes the last element of an array array_push() Inserts one or more elements to the end of an array array_replace() Replaces the values of the first array with the values from following arrays array_reverse() Returns an array in the reverse order array_search() Searches an array for a given value ...
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Tableau(Line Graphs)

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  What is Tableau Line Chart? The Tableau Line Chart is a visualization option where the two axes of a graph represent the dimension ( like time) and a measure ( like say sales of a company) are plotted together. This generates points known as Markers. By joining all the points together a line is formed which represents a trend or any useful insight. Image Source Types of Tableau Line Charts: Simple Line Chart Choose one dimension and one measure to create a simple line chart. Drag the dimension Ship Mode to Columns Shelf and Sales to the Rows shelf. Choose the Line chart from the Marks card. You will get the following line chart, which shows the variation of Sales for different Ship modes. Multiple Measure Line Chart You can use one dimension with two or more measures in a line chart. This will produce multiple line charts, each in one pane. Each pane represents the variation of the dimension with one of the measures. Line Chart with Label Each of the points making the line chart ...
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Tableau(Histograms in Tableau)

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  Histogram: A histogram is a chart that displays the shape of a distribution. A histogram looks like a bar chart but groups values for a continuous measure into ranges, or bins. Creating Histogram in Tableau: Connect to the  Sample - Superstore  data source. Drag  Quantity  to  Columns . Click  Show Me  on the toolbar, then select the histogram chart type. Drag  Segment  to  Color . The colors don't show a clear trend. Let's show the percentage of each bar that belongs to each segment. Hold down the Ctrl key and drag the  CNT(Quantity)  field from the  Rows  shelf to  Label . Right-click (Control-click on a Mac) the  CNT(Quantity)  field on the  Marks  card and select  Quick Table Calculation  >  Percent of Total . But we want the percentages to be on a per-bar basis. Right-click the  CNT(Quantity)  field on the  Marks  card again and select  Ed...
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