Book Review of Demand Forecasting Best Practices by Nicolas Vandeput

Kolassa, S., 1/07/2023, In: Foresight: The International Journal of Applied Forecasting. 70, p. 43-44 2 p.

Research output: Contribution to Journal/Magazine › Book/Film/Article review › peer-review

Do we want coherent hierarchical forecasts, or minimal MAPEs or MAEs? (We won't get both!)

Kolassa, S., 1/10/2023, In: International Journal of Forecasting. 39, 4, p. 1512-1517 6 p.

Research output: Contribution to Journal/Magazine › Comment/debate › peer-review

Commentary on Retail Forecasting

Kolassa, S., 1/10/2018, In: International Journal of Forecasting. 34, 4, p. 830-831 2 p.

Research output: Contribution to Journal/Magazine › Comment/debate › peer-review

Accuracy vs. Runtime with Multiple Seasonalities

Kolassa, S., 1/01/2024, In: Foresight: The International Journal of Applied Forecasting. 72, p. 29-32 4 p.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

All Hail the Flatline Forecast!

Kolassa, S., 1/10/2023, In: Foresight: The International Journal of Applied Forecasting. 70, p. 62-63 2 p.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Sustainability in Forecasting

Kolassa, S., 1/10/2023, In: Foresight: The International Journal of Applied Forecasting. 71, p. 75-76 2 p.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Commentary: How We Deal with Zero Actuals Has a Huge Impact on the MAPE and Optimal Forecasts

Kolassa, S., 1/04/2023, In: Foresight: The International Journal of Applied Forecasting. p. 13-16 4 p.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Commentary: When to Be Careful about Forecasting

Kolassa, S., 1/04/2023, In: Foresight: The International Journal of Applied Forecasting. 69, p. 25-27 3 p.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

How to Increase Forecast Accuracy

Kolassa, S., 1/04/2023, In: Foresight: The International Journal of Applied Forecasting. 69, p. 59-60 2 p.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Using Simulation to Determine When Forecast Accuracy Matters

Kolassa, S., 1/01/2023, In: Foresight: The International Journal of Applied Forecasting. 68, p. 20-24 5 p.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Minitutorial: The Pinball Loss for Quantile Forecasts

Kolassa, S., 1/01/2023, In: Foresight: The International Journal of Applied Forecasting. 68, p. 66-67 2 p.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Retail forecasting: Research and practice

Fildes, R., Ma, S. & Kolassa, S., 1/12/2022, In: International Journal of Forecasting. 38, 4, p. 1283-1318 36 p.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Post-script - Retail forecasting: Research and Practice

Fildes, R., Kolassa, S. & Ma, S., 31/10/2022, In: International Journal of Forecasting. 38, 4, p. 1319-1324 6 p.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Commentary on the M5 forecasting competition

Kolassa, S., 31/10/2022, In: International Journal of Forecasting. 38, 4, p. 1562-1568 7 p.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Forecasting: theory and practice

Petropoulos, F., Apiletti, D., Assimakopoulos, V., Babai, M. Z., Barrow, D. K., Ben Taieb, S., Bergmeir, C., Bessa, R. J., Bijak, J., Boylan, J. E., Browell, J., Carnevale, C., Castle, J. L., Cirillo, P., Clements, M. P., Cordeiro, C., Cyrino Oliveira, F. L., De Baets, S., Dokumentov, A., Ellison, J., & 60 othersFiszeder, P., Franses, P. H., Frazier, D. T., Gilliland, M., Gönül, M. S., Goodwin, P., Grossi, L., Grushka-Cockayne, Y., Guidolin, M., Guidolin, M., Gunter, U., Guo, X., Guseo, R., Harvey, N., Hendry, D. F., Hollyman, R., Januschowski, T., Jeon, J., Jose, V. R. R., Kang, Y., Koehler, A. B., Kolassa, S., Kourentzes, N., Leva, S., Li, F., Litsiou, K., Makridakis, S., Martin, G. M., Martinez, A. B., Meeran, S., Modis, T., Nikolopoulos, K., Önkal, D., Paccagnini, A., Panagiotelis, A., Panapakidis, I., Pavía, J. M., Pedio, M., Pedregal, D. J., Pinson, P., Ramos, P., Rapach, D. E., Reade, J. J., Rostami-Tabar, B., Rubaszek, M., Sermpinis, G., Shang, H. L., Spiliotis, E., Syntetos, A. A., Talagala, P. D., Talagala, T. S., Tashman, L., Thomakos, D., Thorarinsdottir, T., Todini, E., Trapero Arenas, J. R., Wang, X., Winkler, R. L., Yusupova, A. & Ziel, F., 1/07/2022, In: International Journal of Forecasting. 38, 3, p. 705-871 167 p.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Sex differences in PTSD risk: evidence from post-conflict populations challenges the general assumption of increased vulnerability in females

Wilker, S., Kolassa, S., Ibrahim, H., Rajan, V., Pfeiffer, A., Catani, C. & Kolassa, I. T., 31/12/2021, In: European journal of psychotraumatology. 12, 1, 1930702.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Why the “best” point forecast depends on the error or accuracy measure

Kolassa, S., 31/03/2020, In: International Journal of Forecasting. 36, 1, p. 208-211

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Integrated genetic, epigenetic, and gene set enrichment analyses identify NOTCH as a potential mediator for PTSD risk after trauma: Results from two independent African cohorts

Conrad, D., Wilker, S., Schneider, A., Karabatsiakis, A., Pfeiffer, A., Kolassa, S., Freytag, V., Vukojevic, V., Vogler, C., Milnik, A., Papassotiropoulos, A., J.-F. de Quervain, D., Elbert, T. & Kolassa, I. T., 1/01/2020, In: Psychophysiology. 57, 1, e13288.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Investigating the effects of childhood maltreatment on pro-inflammatory signaling: The influence of cortisol and DHEA on cytokine secretion ex vivo

Geiger, M. L., Boeck, C., Koenig, A. M., Schury, K., Waller, C., Kolassa, S., Karabatsiakis, A. & Kolassa, I. T., 1/03/2019, In: Mental Health & Prevention. 13, p. 176-186 11 p.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Genetic variation is associated with PTSD risk and aversive memory: Evidence from two trauma-Exposed African samples and one healthy European sample

Wilker, S., Schneider, A., Conrad, D., Pfeiffer, A., Boeck, C., Lingenfelder, B., Freytag, V., Vukojevic, V., Vogler, C., Milnik, A., Papassotiropoulos, A., J.-F. de Quervain, D., Elbert, T., Kolassa, S. & Kolassa, I. T., 1/12/2018, In: Translational Psychiatry. 8, 1, 251.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Auditory memory decay as reflected by a new mismatch negativity score is associated with episodic memory in older adults at risk of dementia

Laptinskaya, D., Thurm, F., Küster, O. C., Fissler, P., Schlee, W., Kolassa, S., von Arnim, C. A. F. & Kolassa, I. T., 2/02/2018, In: Frontiers in Aging Neuroscience. 10, FEB, 5.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Does trauma event type matter in the assessment of traumatic load?

Conrad, D., Wilker, S., Pfeiffer, A., Lingenfelder, B., Ebalu, T., Lanzinger, H., Elbert, T., Kolassa, I. T. & Kolassa, S., 30/09/2017, In: European journal of psychotraumatology. 8, 1, 1344079.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Alterations of hair cortisol and dehydroepiandrosterone in mother-infant-dyads with maternal childhood maltreatment

Schury, K., Koenig, A. M., Isele, D., Hulbert, A. L., Krause, S., Umlauft, M., Kolassa, S., Ziegenhain, U., Karabatsiakis, A., Reister, F., Guendel, H., Fegert, J. M. & Kolassa, I. T., 6/06/2017, In: BMC Psychiatry. 17, 1, 213.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Cognitive change is more positively associated with an active lifestyle than with training interventions in older adults at risk of dementia: A controlled interventional clinical trial

Küster, O. C., Fissler, P., Laptinskaya, D., Thurm, F., Scharpf, A., Woll, A., Kolassa, S., Kramer, A. F., Elbert, T., von Arnim, C. A. F. & Kolassa, I. T., 8/09/2016, In: BMC Psychiatry. 16, 1, 315.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Supply chain forecasting: theory, practice, their gap and the future

Syntetos, A., Babai, Z., Boylan, J. E., Kolassa, S. & Nikolopoulos, K., 1/07/2016, In: European Journal of Operational Research. 252, 1, p. 1-26 26 p.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Evaluating Predictive Count Data Distributions in Retail Sales Forecasting

Kolassa, S., 1/07/2016, In: International Journal of Forecasting. 32, 3, p. 788-803 16 p.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Sometimes It's Better to be Simple Than Correct

Kolassa, S., 1/01/2016, In: Foresight. 2016, 40, p. 20-26 7 p.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

How to quantify exposure to traumatic stress? Reliability and predictive validity of measures for cumulative trauma exposure in a post-conflict population

Wilker, S., Pfeiffer, A., Kolassa, S., Koslowski, D., Elbert, T. & Kolassa, I-T., 1/12/2015, In: European Journal of Psychotraumatology. 6, 1, 10 p., 28306.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Retail analytics: integrated forecasting and inventory management for perishable products in retailing: Book review

Kolassa, S., 2015, In: Journal of the Operational Research Society. 66, 12, p. 2103-2104 2 p.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Metabolite profiling in posttraumatic stress disorder

Karabatsiakis, A., Hamuni, G., Wilker, S., Kolassa, S., Renu, D., Kadereit, S., Schauer, M., Hennessy, T. & Kolassa, I-T., 2015, In: Journal of Molecular Psychiatry. 3, 1, 11 p., 2.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

The effect of trauma-focused therapy on the altered T cell distribution in individuals with PTSD: Evidence from a randomized controlled trial

Morath, J., Gola, H., Sommershof, A., Hamuni, G., Kolassa, S., Catani, C., Adenauer, H., Ruf-Leuschner, M., Schauer, M., Elbert, T., Groettrup, M. & Kolassa, I-T., 1/07/2014, In: Journal of Psychiatric Research. 54, p. 1-10 10 p.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Effects of psychotherapy on DNA strand break accumulation originating from traumatic stress

Morath, J., Moreno-Villanueva, M., Hamuni, G., Kolassa, S., Ruf-Leuschner, M., Schauer, M., Elbert, T., Bürkle, A. & Kolassa, I-T., 2014, In: Psychotherapy and Psychosomatics. 83, 5, p. 289-297 9 p.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Mitochondrial respiration in peripheral blood mononuclear cells correlates with depressive subsymptoms and severity of major depression

Karabatsiakis, A., Böck, C., Salinas-Manrique, J., Kolassa, S., Calzia, E., Dietrich, D. E. & Kolassa, I-T., 2014, In: Translational Psychiatry. 4, 7 p., e397.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Telomere shortening in leukocyte subpopulations in depression

Karabatsiakis, A., Kolassa, I-T., Kolassa, S., Rudolph, K. L. & Dietrich, D. E., 2014, In: BMC Psychiatry. 14, 7 p., 192.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

The role of FKBP5 genotype in moderating long-term effectiveness of exposure-based psychotherapy for posttraumatic stress disorder

Wilker, S., Pfeiffer, A., Kolassa, S., Elbert, T., Lingenfelder, B., Ovuga, E., Papassotiropoulos, A., De Quervain, D. & Kolassa, I-T., 2014, In: Translational Psychiatry. 4, 7 p., e403.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

The Role of Memory-related Gene WWC1 (KIBRA) in Lifetime Posttraumatic Stress Disorder: Evidence from Two Independent Samples from African Conflict Regions

Wilker, S., Kolassa, S., Vogler, C., Lingenfelder, B., Elbert, T., Papassotiropoulos, A., de Quervain, D. J-F. & Kolassa, I-T., 1/11/2013, In: Biological Psychiatry. 74, 9, p. 664-671 8 p.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Posttraumatic stress disorder is associated with an enhanced spontaneous production of pro-inflammatory cytokines by peripheral blood mononuclear cells

Gola, H., Engler, H., Sommershof, A., Adenauer, H., Kolassa, S., Schedlowski, M., Groettrup, M., Elbert, T. & Kolassa, I-T., 31/01/2013, In: BMC Psychiatry. 13, 1, 8 p., 40.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Effects of aging and mild cognitive impairment on electrophysiological correlates of performance monitoring

Thurm, F., Antonenko, D., Schlee, W., Kolassa, S., Elbert, T. & Kolassa, I-T., 2013, In: Journal of Alzheimer's Disease. 35, 3, p. 575-587 13 p.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Forecasting to Meet Demand

Martin, R. & Kolassa, S., 2013, In: Foresight: The International Journal of Applied Forecasting. 28, p. 5-11 7 p.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

N-glycosylation profiling of plasma provides evidence for accelerated physiological aging in post-traumatic stress disorder

Moreno-Villanueva, M., Morath, J., Vanhooren, V., Elbert, T., Kolassa, S., Libert, C., Bürkle, A. & Kolassa, I-T., 2013, In: Translational Psychiatry. 3, 5 p., e320.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Forecasting with In-Memory Technology

Januschowski, T., Kolassa, S., Lorenz, M. & Schwarz, C., 2013, In: Foresight: The International Journal of Applied Forecasting. 31, p. 14-20 7 p.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Development of Large-Scale Functional Networks over the Lifespan

Schlee, W., Leirer, V. M., Kolassa, S., Thurm, F., Elbert, T. & Kolassa, I. T., 1/10/2012, In: Neurobiology of Aging. 33, 10, p. 2411-2421 11 p.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Two Notable New Forecasting Texts

Kolassa, S., 2012, In: Foresight: The International Journal of Applied Forecasting. 27, p. 40-45 6 p.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Victims of rape show increased cortisol responses to trauma reminders: A study in individuals with war- and torture-related PTSD

Gola, H., Engler, H., Schauer, M., Adenauer, H., Riether, C., Kolassa, S., Elbert, T. & Kolassa, I-T., 2012, In: Psychoneuroendocrinology. 37, 2, p. 213-220 8 p.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Improvement of cognitive function after physical movement training in institutionalized very frail older adults with dementia

Thurm, F., Scharpf, A., Liebermann, N., Kolassa, S., Elbert, T., Luchtenberg, D., Woll, A. & Kolassa, I. T., 31/12/2011, In: GeroPsych: The Journal of Gerontopsychology and Geriatric Psychiatry. 24, 4, p. 197-208 12 p.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Combining exponential smoothing forecasts using Akaike weights

Kolassa, S., 1/04/2011, In: International Journal of Forecasting. 27, 2, p. 238-251 14 p.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Percentage Errors Can Ruin Your Day (and Rolling the Dice Shows How)

Kolassa, S. & Martin, R., 2011, In: Foresight: The International Journal of Applied Forecasting. 23, p. 21-27 7 p.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

The Business Forecasting Deal

Kolassa, S., 2011, In: International Journal of Forecasting. 27, 2, p. 631-633 4 p.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Changes in cortical slow wave activity in healthy aging

Leirer, V. M., Wienbruch, C., Kolassa, S., Schlee, W., Elbert, T. & Kolassa, I-T., 2011, In: Brain imaging and behavior. 5, 3, p. 222–228 7 p.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Association study of trauma load and SLC6A4 promoter polymorphism in PTSD: evidence from survivors of the Rwandan genocide

Kolassa, I. T., Ertl, V., Eckart, C., Glockner, F., Kolassa, S., Papassotiropoulos, A., De Quervain, D. & Elbert, T., 1/05/2010, In: Journal of Clinical Psychiatry. 71, 5, p. 543-547 5 p.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Free Open-Source Forecasting Using R

Kolassa, S. & Hyndman, R. J., 2010, In: Foresight: The International Journal of Applied Forecasting. 17, p. 19-23 5 p.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Hippocampal activity during the transverse patterning task declines with cognitive competence but not with age

Leirer, V. M., Wienbruch, C., Paul-Jordanov, I., Kolassa, S., Elbert, T. & Kolassa, I. T., 2010, In: BMC Neuroscience. 11, 10 p., 113.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Spontaneous remission from PTSD depends on the number of traumatic event types experienced

Kolassa, S., Ertl, V., Eckart, C., Kolassa, S., Onyut, L. P. & Elbert, T., 2010, In: Psychological Trauma: Theory, Research, Practice, and Policy. 2, 3, p. 169-174 6 p.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

The Risk of Posttraumatic Stress Disorder After Trauma Depends on Traumatic Load and the Catechol-O-Methyltransferase Val158Met Polymorphism

Kolassa, I. T., Kolassa, S., Ertl, V., Papassotiropoulos, A. & De Quervain, D., 2010, In: Biological Psychiatry. 67, 4, p. 304-308 5 p.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

How to assess forecastability

Kolassa, S., 2009, In: Foresight: The International Journal of Applied Forecasting. 13, p. 41-45 5 p.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Interpretive bias in social phobia: An ERP study with morphed emotional schematic faces

Kolassa, I. T., Kolassa, S., Bergmann, S., Lauche, R., Dilger, S. & Miltner, W. H. R., 2009, In: Cognition and Emotion. 23, 1, p. 69-95 27 p.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

No PTSD-related differences in diurnal cortisol profiles of genocide survivors

Eckart, C., Engler, H., Riether, C., Kolassa, S., Elbert, T. & Kolassa, I. T., 2009, In: Psychoneuroendocrinology. 34, 4, p. 523-531 9 p.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Can we obtain valid benchmarks from published surveys of forecast accuracy?

Kolassa, S., 2008, In: Foresight: The International Journal of Applied Forecasting. 11, p. 6-25 20 p.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Advantages of the MAD/Mean ratio over the MAPE

Kolassa, S., 2007, In: Foresight. 2007, 6, p. 40-43 4 p.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Event-related potentials to schematic faces in social phobia

Kolassa, I. T., Kolassa, S., Musial, F. & Miltner, W. H. R., 2007, In: Cognition and Emotion. 21, 8, p. 1721-1744 24 p.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Spider phobics more easily see a spider in morphed schematic pictures

Kolassa, S., 2007, In: Behavioral and Brain Functions. 2007, 3, 15 p., 59.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Event-related potentials when identifying or color-naming threatening schematic stimuli in spider phobic and non-phobic individuals

Kolassa, I-T., Musial, F., Kolassa, S. & Miltner, W. H. R., 2006, In: BMC Psychiatry. 6, 12 p., 38.

Research output: Contribution to Journal/Magazine › Journal article › peer-review