Label | Explanation | Data Type |

Input Multidimensional Raster | The input multidimensional raster dataset. | Raster Dataset; Raster Layer; Mosaic Dataset; Mosaic Layer; Image Service; File |

Dimension | The dimension along which a trend will be extracted for the variable or variables selected in the analysis. | String |

Variables [Dimension Info] (Description) (Optional) | The variable or variables for which trends will be calculated. If no variable is specified, the first variable in the multidimensional raster will be analyzed. | String |

Trend Type
(Optional) | Specifies the type of trend analysis to perform to pixel values along a dimension. - Linear—Variable pixel values will be fitted along a linear trend line. This is the default.
- Polynomial—Variable pixel values will be fitted along a second order polynomial trend line.
- Harmonic—Variable pixel values will be fitted along a harmonic trend line.
- Mann-Kendall—Variable pixel values will be evaluated using the Mann-Kendall trend test.
- Seasonal-Kendall—Variable pixel values will be evaluated using the Seasonal-Kendall trend test.
| String |

Frequency / Polynomial Order
(Optional) | The frequency or the polynomial order number to use in the trend fitting. If the trend type is polynomial, this parameter specifies the polynomial order. If the trend type is harmonic, this parameter specifies the number of models to use to fit the trend. This parameter is only included in the trend analysis when the dimension being analyzed is time. If the Trend Type parameter is Harmonic, the default value is 1, meaning a first order harmonic curve is used to fit the model. If the Trend Type parameter is Polynomial, the default value is 2, or second order polynomial. | Long |

Ignore NoData (Optional) | Specifies whether NoData values will be ignored in the analysis. - Checked—The analysis will include all valid pixels along a given dimension and ignore NoData pixels. This is the default.
- Unchecked—The analysis will result in NoData if there are NoData values for the pixels along the given dimension.
| Boolean |

Length of Cycle
(Optional) | The length of periodic variation to model. This parameter is required when Trend Type is set to Harmonic. For example, leaf greenness often has one strong cycle of variation in a single year, so the cycle length is 1 year. Hourly temperature data has one strong cycle of variation throughout a single day, so the cycle length is 1 day. The default length is 1 year for data that varies on an annual cycle. | Double |

Cycle
Unit (Optional) | Specifies the time unit to be used for the length of a harmonic cycle. - Days—The unit for the length of the harmonic cycle is days.
- Years—The unit for the length of the harmonic cycle is years. This is the default.
| String |

RMSE
(Optional) | Specifies whether the root mean square error (RMSE) of the trend fit line will be calculated. - Checked—The RMSE will be calculated and displayed in the raster dataset properties window under Statistics. This is the default.
- Unchecked—The RMSE will not be calculated.
| Boolean |

R-Squared (Optional) | Specifies whether the R-squared goodness-of-fit statistic for the trend fit line will be calculated. - Checked—The R-squared value will be calculated and displayed in the raster dataset properties window under Statistics.
- Unchecked—The R-squared value will not be calculated. This is the default.
| Boolean |

P-Value of Slope Coefficient (Optional) | Specifies whether the p-value statistic for the slope coefficient of the trend line will be calculated. - Checked—The p-value will be calculated and displayed in the raster dataset properties window under Statistics.
- Unchecked—The p-value will not be calculated. This is the default.
| Boolean |

Seasonal Period
(Optional) | Specifies the time unit to be used for the length of a seasonal period when performing the Seasonal-Kendall test. - Days—The unit for the length of the seasonal period is days. This is the default.
- Months—The unit for the length of the seasonal period is months.
| String |

### Return Value

Label | Explanation | Data Type |

Output Multidimensional Raster | The output Cloud Raster Format (CRF) multidimensional raster dataset. | Raster |