Plantation is all activities that use certain and specific plants with soil or other parts of plants in adapted ecosystems. Other plantation activities also include processing and marketing of these crops. In the plantation sub-sector, sugar cane is an important plantation and national economic development strategy and contributes significantly to the plantation sub-sector. Sugarcane is a plantation crop that is widely grown in Indonesia, such as in Java, North and South Sumatra. One of the sugarcane producing areas in Purworejo Regency is Loano District. There are many sugar factories scattered throughout the sugar cane development area and the leading sugarcane plants are in Purworejo Regency. The purpose of this research is to predict production to meet market demand using the Time Series method with the Moving Average model. This study uses a Moving Average model consisting of: Single Moving Average (SMA) and Weighted Moving Average (WMA) with forecasting accuracy using Mean Square Error (MSE) and Mean Absolute Error (MAE) as the selection of the best model to be used for forecasting. From this study, the results of forecasting the amount of sugarcane production in Loano District for the next 4 periods, after 2015 from the WMA model, are: 113,91 ton; 135,62 ton; 101,96 ton; and 89,88 ton. The best model result is the Weighted Moving Average (WMA) model with the smallest forecasting accuracy value, namely the MSE value of 1.833,07 and the MAE of 36,07.
Employees become an important factor in the success of the organization. They have impact on almost every business activity. Therefore company needs to manage their human resources in order to get highest performance. Many human resources practices implemented to achieve such result. One thing that indicate a positive result is the level of employee commitment toward the organization. Committed employees will contribute more. Affective commitment is the highest level of commitment because this emerge from within the employee's feelings. This study discusses the effect of perceived organizational support (POS), stress, and job satisfaction on employee’s affective commitment. The research was conducted in the drinking water company in Bandung using 85 participants. The analysis technique used is partial correlation analysis to identify the relationship between variables and also identify control variables that affect each relationship. Furthermore, mediation analysis is used to determine whether stress and job satisfaction have a mediating role in the relationship of POS influence to affective commitment. The results showed that POS had no significant effect on affective commitment. Furthermore, stress does not have the role of mediation either partially or simultaneously with job satisfaction. While job satisfaction has a partial mediation role in the relationship of influence between POS and affective commitment.
Employees become an important factor in the success of the organization. They have impact on almost every business activity. Therefore company needs to manage their human resources in order to get highest performance. Many human resources practices implemented to achieve such result. One thing that indicate a positive result is the level of employee commitment toward the organization. Committed employees will contribute more. Affective commitment is the highest level of commitment because this emerge from within the employee's feelings. This study discusses the effect of perceived organizational support (POS), stress, and job satisfaction on employee’s affective commitment. The research was conducted in the drinking water company in Bandung using 85 participants. The analysis technique used is partial correlation analysis to identify the relationship between variables and also identify control variables that affect each relationship. Furthermore, mediation analysis is used to determine whether stress and job satisfaction have a mediating role in the relationship of POS influence to affective commitment. The results showed that POS had no significant effect on affective commitment. Furthermore, stress does not have the role of mediation either partially or simultaneously with job satisfaction. While job satisfaction has a partial mediation role in the relationship of influence between POS and affective commitment.
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