HIGH-LOW Calculations
Particulars | Professional Hours | Support Cost |
High | 492 | 9639 |
Low | 113 | 3287 |
Change | 379 | 6352 |
Variable Cost=Highest Support cost-Lowest support cost/ Highest Professional hours-lowest professional hours.
=9639-3287/492-113
=6352/379
=16.76 is the Variable cost per unit
Next we can calculate Fixed cost,It is identify from the total cost,so the formula as follows
Total Cost=(VC×Units Produced)+Total Fixed Cost
we can apply this formula in our mentioned problem...
9639=(16.76x492)+Total Fixed cost
=9639=8246+Total Fixed cost
Total Fixed cost=9639-8246
Total Fixed Cost=1393
For the Lowest Activity
Fixed Cost is calculated using the formula given below
Fixed Cost = Lowest Activity Cost – (Variable Cost Per Units * Lowest Activity Units)
Fixed cost=3287-(16.76x113)
Fixed cost=3287-1894
Fixed cost=1393
Total cost=Variable cost+Fixed cost
so in High level;9639=(16.76x492)+1393, 8246+1393=9639
so in low level; 3287=(16.76x113)+1393, 1894+1393=3287.
Regression Cost Function
Regression tasks deal with continuous data. Cost functions available for Regression are,
Mean Absolute Error
Mean Absolute Error(MAE) is the mean absolute difference between the actual values and the predicted values.
Mean Squared Error
Mean Squared Error(MSE) is the mean squared difference between the actual and predicted values. MSE penalizes high errors caused by outliers by squaring the errors. The optimization algorithms benefit from penalization as it is helpful to find the optimal values for parameters.
Root Mean Squared Error
Root Mean Squared Error (RMSE) is the root squared mean of the difference between actual and predicted values. RMSE can be used in situations where we want to penalize high errors but not as much as MSE does.
Root Mean Squared Logarithmic Error
Root Mean Squared Logarithmic Error (RMSLE) is very similar to RMSE but the log is applied before calculating the difference between actual and predicted values. The large errors and small errors are treated equally. RMSLE can be used in situations where the target is not normalized or scaled.
Cost Estimation
Projected hours is,3000, so the cost estimation is i.e Total cost=(Variable cost x Projected hours)+Fixed cost
High-Low (16.76x3000)+1393 = 51,673
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